Menu
Theme

Grade 9
Course Content
View Overview

Lab safety

Scientific Investigation

Habari Mwanafunzi! Welcome to the Laboratory!

Think of our science lab as a special kind of kitchen. In your kitchen at home, you know there are rules: don't touch a hot sufuria, be careful with the kisu (knife), and don't play near the jiko. Why? To keep you safe! The laboratory is our 'kitchen for science', and it has its own set of important rules to keep us all safe while we do amazing experiments and discover new things. Today, you will become a safety expert. Are you ready? Let's begin!

The Golden Rules of a Safe Scientist

These are the most important rules you must ALWAYS follow. Memorise them like your favourite song!

  • Dress for the Job: Always wear a lab coat. It's your superhero cape that protects your clothes! You must also wear closed shoes. Imagine dropping a glass beaker near your feet while wearing sandals – ouch! You wouldn't wear your best clothes to the shamba, right? You wear clothes that protect you. Same for the lab!
  • No Vyakula or Vinywaji (Food or Drinks): The lab is a 'no snacking' zone. Even a bottle of water is not allowed. Chemicals can splash and contaminate your food without you even seeing it. We don't want to accidentally eat a science experiment!
  • Follow Instructions to the Letter: Your teacher is your guide. Listen carefully and follow every step of an experiment exactly as instructed. Never mix chemicals just to see what happens. Science is about careful investigation, not random mixing.
  • Report EVERY Accident: Spilled a little water? Tell the teacher. Got a small cut? Tell the teacher. Broke a test tube? Tell the teacher. Small problems can become big problems if they are not handled correctly and immediately. It's not about getting in trouble; it's about staying safe.
  • A Tidy Bench is a Safe Bench: Keep your workspace clean and organised. Only have the equipment you need for the experiment on your bench. A cluttered space is where accidents love to happen.
  • Know Your Way Out: Be aware of where the exits, fire extinguisher, and first aid kit are located. In an emergency, you must know where to go and what to do without panicking.

Real-World Scenario: Amina was in a hurry to finish her experiment. She left her bag on the floor in the walkway. Her friend, John, carrying a tray of chemicals, did not see the bag. He tripped, and the chemicals spilled everywhere! Luckily, no one was hurt, but the experiment was ruined and it was a big mess to clean up. This shows why a tidy lab with clear walkways is so important.

Decoding the Secret Language: Hazard Symbols

Chemicals can't talk, so they use special pictures called hazard symbols to warn us about their dangers. Knowing these symbols is like being able to read a secret code!


    +-------+         +-------+         +-------+         +-------+
    |   /\\   |         |  !  ! |         |  / \  |         |   **   |
    |  /  \\  |         | ! ! ! |         | / _ \ |         |  *_*   |
    | /----\\ |         |   !   |         | \   / |         | /   \  |
    |/______\\|         |   .   |         |  ---  |         |------- |
    +-------+         +-------+         +-------+         +-------+
     FLAMMABLE         CORROSIVE           TOXIC           IRRITANT
  • Flammable (Moto!): This substance can easily catch fire. Think of methylated spirit or paraffin. It must be kept far away from any flames, like a Bunsen burner.
  • Corrosive (Inachoma!): This can burn your skin, clothes, or even metal. Some very strong cleaning acids are corrosive. You must handle these with great care and wear gloves.
  • Toxic (Sumu!): This is poison! It can make you very sick or even be fatal if you swallow it, breathe it in, or it gets on your skin. Some pesticides used on farms are toxic. NEVER taste or smell chemicals in the lab.
  • Irritant/Harmful: This is less dangerous than corrosive but can still make your skin itchy or cause a rash. Think of how dust from ground pilipili (chilli) can make you cough and your eyes water.
Image Suggestion: A vibrant, colourful poster for a Kenyan classroom wall. The poster shows the four main hazard symbols (Flammable, Corrosive, Toxic, Irritant) with clear labels in both English and Swahili. Each symbol is accompanied by a simple drawing of a Kenyan student in a lab coat demonstrating the correct safe behaviour (e.g., for flammable, a student is shown keeping a bottle away from a Bunsen burner). The style is bright and educational.

Let's Do Some "Safety Math": Calculating Risk

In science, we can even use simple math to think about safety. We can figure out how risky an activity is by thinking about two things: the Likelihood (how likely is it that something will go wrong?) and the Severity (how bad will it be if it goes wrong?).

We can use a simple formula:


    Risk Score = Likelihood (1-5) x Severity (1-5)

    Where:
    1 = Very Low
    5 = Very High
Example 1: Heating water in a beaker.
  • What can go wrong? Hot water could splash out.
  • Likelihood: A small splash is quite possible if you are not careful. Let's give it a 3.
  • Severity: A splash of hot water will sting, but it's usually not a serious burn. Let's give it a 2.

    Risk Score = 3 (Likelihood) x 2 (Severity) = 6
    

A score of 6 is a low-to-medium risk. We must be careful, but it's a relatively safe activity.

Example 2: Heating methylated spirit in an open beaker (WHICH YOU SHOULD NEVER DO!).
  • What can go wrong? The spirit could catch fire.
  • Likelihood: Methylated spirit is very flammable. The chance of it catching fire near a flame is very high. Let's give it a 5.
  • Severity: A fire in the lab is extremely dangerous. This is the highest severity. Let's give it a 5.

    Risk Score = 5 (Likelihood) x 5 (Severity) = 25
    

A score of 25 is a very high risk! This calculation shows us exactly WHY we have rules like "never heat flammable liquids with an open flame."

What to Do in an Emergency

Even with all the rules, accidents can happen. The most important thing is to STAY CALM and TELL THE TEACHER.

Here is a simple plan for a chemical spill:


     +-----------------+
     |   Spill Happens |
     +-----------------+
              |
              V
    +----------------------+
    | Is the spill large   |--YES-->+-------------------------+
    | or dangerous?        |        | Alert everyone! "Spill!"|
    +----------------------+        +-------------------------+
              |                                 |
              NO                                V
              |                     +-------------------------+
              V                     | Move away calmly        |
    +-------------------------+     +-------------------------+
    | Inform your teacher     |<--------------|
    | immediately.            |
    +-------------------------+
              |
              V
    +-------------------------+
    | Follow teacher's        |
    | instructions to clean.  |
    +-------------------------+
Image Suggestion: A photo-realistic image of a group of Kenyan high school students in a well-lit science lab. One student is calmly pointing to a small, controlled spill on the floor to get the teacher's attention. The teacher, also in a lab coat, is walking over with a calm and reassuring expression. The other students are watching from a safe distance. The scene should convey a sense of calm, responsible action, not panic.

Hongera! You are now a Lab Safety Champion!

Following these rules isn't about being scared of science. It's the opposite! By being safe, we create a space where we can be curious, ask questions, and make amazing discoveries without fear. Safety is the key that unlocks the door to a world of scientific adventure. Now, let's put on our lab coats and explore that world together, safely!

Lab Safety: Your Guide to Becoming a Science Shujaa!

Habari mwanafunzi! Welcome to the most exciting room in the school – the science laboratory! This is where we mix, heat, observe, and discover the amazing secrets of our world. Think of it as a special kitchen where we cook up knowledge. But just like you wouldn't play with a hot stove or a sharp panga in the kitchen, our lab has its own set of very important rules. Following these rules makes you a Science Shujaa (Hero), keeping yourself and your friends safe while you explore. Let's begin!

Rule #1: Dress for Success! (Your PPE Armour)

Before you even touch a beaker, you need to wear your special science armour. This is called Personal Protective Equipment (PPE). It’s not for fashion, it’s for protection!

  • The Lab Coat: This is your shield! It protects your cool school uniform from spills and splashes. It should always be buttoned up.
  • Safety Goggles: Your eyes are precious! Goggles protect them from chemicals that could splash. You must wear them whenever we are doing an experiment.
  • Closed Shoes: Leave the sandals and open shoes for home. In the lab, closed shoes protect your feet from spills or broken glass.
  • Tied-Back Hair: If you have long hair, tie it back so it doesn't catch fire from a Bunsen burner or fall into your experiment.

    // Your Safety Armour //

      / eyewear /
    __i_i_i_i_i__
   | o   | |   o |  <-- Safety Goggles
   |_____|_|_____|

      / coat /
     .-"""""-.
    /         \
   |           |
   |           |  <-- Lab Coat
   |           |
    \         /
     `-------`

Image Suggestion: An AI-generated image showing a group of smiling, diverse Kenyan high school students (boys and girls) in a bright, modern science lab. They are all correctly wearing white lab coats (buttoned up), clear safety goggles, and look engaged in an experiment with colourful liquids in beakers. The style should be vibrant and realistic.

Rule #2: Act Like a Scientist (Lab Behaviour)

A true scientist is focused, careful, and responsible. Here’s how you can act like one:

  • NO running or pushing. The lab is a 'walk-only' zone.
  • NO eating, drinking, or chewing gum. You don't want to accidentally eat a chemical! Keep your snacks in your bag.
  • Listen to your teacher's instructions carefully before starting any experiment. If you are unsure, ask! Asking questions is a sign of a smart scientist.
  • Never perform unauthorized experiments. Stick to the plan!
  • Keep your workspace clean and tidy. A messy desk can lead to accidents.

Real-World Scenario: Imagine your friend Juma is thirsty and decides to drink water from a beaker he just washed. This is very dangerous! Even if it looks clean, tiny, invisible chemical traces could be left inside, which could make him very sick. A true Science Shujaa waits until they are outside the lab to eat or drink.

Rule #3: Handle with Care (Chemicals & Equipment)

Lab equipment and chemicals are our tools. We must respect them.

  • Never taste a chemical. This is the most important rule of all!
  • Smell chemicals safely using the wafting technique. Don't put your nose directly over the container. Hold it away from you and gently wave or 'waft' the vapour towards your nose.
  • Always read the label on a chemical bottle before you use it.
  • Report any broken equipment, especially glassware, to your teacher immediately. Don't try to clean it up yourself.
  • When heating a test tube, always point the opening away from yourself and others.

Image Suggestion: A close-up, clear illustration or photo showing a student's hands demonstrating the "wafting" technique. One hand holds a test tube with a colourful vapour rising, and the other hand is shown in a waving motion, gently guiding the fumes towards their nose, which is a safe distance away. The image should have labels: "Chemical Container", "Wafting Motion", "Safe Distance".

Know Your Hazard Symbols!

Chemical bottles have special warning pictures, like road signs. They tell you what kind of danger the chemical poses. Here are a few common ones:


      / \
     / ! \      <-- Health Hazard / Irritant
    /_____\
  
      / \
     / _ \      <-- Flammable (Can catch fire)
    / ( ) \
   /_____\

     \   /
      \ /
     /"""\      <-- Corrosive (Can burn skin/materials)
    |-----|
    |_____|

      / \
     /   \
    /     \     <-- Toxic (Poisonous if swallowed/inhaled)
   (  o_o  )
    \ skull /
     `-----`

Calculations for Safety: Diluting Acids

Sometimes, we need to make a strong acid weaker (dilute it) for an experiment. This requires careful calculation and a very important safety rule: Always Add Acid to Water (A&W), never the other way around! Adding water to acid can cause it to boil and splash violently. Let's see how math helps us stay safe.

Problem: Your teacher asks you to prepare 500 mL of a 1M (Molar) solution of Sulphuric Acid (H₂SO₄) from a concentrated stock of 18M acid. How much of the concentrated acid do you need?

We use the dilution formula:


M₁V₁ = M₂V₂

Where:
M₁ = Molarity (concentration) of the starting solution (the strong acid)
V₁ = Volume of the starting solution (what we need to find!)
M₂ = Molarity of the final, diluted solution
V₂ = Volume of the final, diluted solution

Step 1: Identify your knowns.
M₁ = 18M (Concentrated acid)
M₂ = 1M (The solution we want to make)
V₂ = 500 mL (The final volume we want)

Step 2: Rearrange the formula to solve for V₁.
V₁ = (M₂V₂) / M₁

Step 3: Substitute the values and calculate.
V₁ = (1M * 500 mL) / 18M
V₁ = 500 / 18
V₁ = 27.78 mL

Step 4: The Safe Procedure.
To make the solution, you would first measure about 400 mL of water into a beaker. Then, you would very carefully and slowly measure and add 27.78 mL of the concentrated acid to the water, stirring gently. Finally, you would add more water until the total volume reaches exactly 500 mL.

See? Precise calculation ensures you use the right amounts, and following the A&W rule ensures you do it safely!

Rule #4: Clean Up and Be Cool

A true shujaa leaves the place better than they found it.

  • Clean all equipment you used and return it to its proper place.
  • Dispose of waste correctly. Your teacher will tell you if waste goes in a special container or down the sink. Never throw solid waste in the sink!
  • Wash your hands thoroughly with soap and water after every lab session.

Congratulations! You now know the fundamental rules of lab safety. Remember, safety is not just a list of rules; it's an attitude. By being careful, aware, and responsible, you are not just being a good student—you are being a true scientist. Now, let's go and make some amazing discoveries, the shujaa way!

Habari Mwanasayansi Mchanga! Welcome to the Laboratory!

Have you ever been in the kitchen when your mum or dad is cooking? Think about a bubbling pot of Githeri or the sizzling sound of chapati on a hot pan. You know you must be careful not to touch the hot sufuria or get splashed by hot oil, right? The science laboratory is a lot like that kitchen, but even more exciting! It's a special place where we can mix, heat, observe, and discover amazing things about our world. But just like in the kitchen, safety comes first! This lesson is your guide to becoming a safe, confident, and responsible scientist.

Why is Lab Safety So Important?

Think of the lab as your very own workshop for discovery. It's filled with tools (beakers, Bunsen burners) and ingredients (chemicals). To make sure our discoveries are the only surprising things that happen, we follow safety rules. These rules are not to stop the fun; they are here to protect you, your classmates, and your teacher from any accidents. A safe scientist is a smart scientist!

Image Suggestion: A vibrant, brightly lit Kenyan school science lab. Diverse students (boys and girls) in smart school uniforms are wearing white lab coats and safety goggles. One group is observing a plant specimen, another is carefully looking at coloured liquids in test tubes. The teacher, a friendly-looking man or woman, is guiding them. The atmosphere is one of focused excitement and learning.

The Golden Rules of the Lab: Your DO List!

These are the most important rules to always remember. They are your key to a safe and successful experiment.

  • Listen to Mwalimu: Your teacher is your guide. Always listen to their instructions carefully before, during, and after an experiment. Never start without permission!
  • Dress the Part: Wear a lab coat to protect your uniform and closed shoes to protect your feet. If you have long hair, tie it back. And most importantly, always wear safety goggles to protect your precious eyes!
  • Know Your Exits: Be aware of the location of the fire extinguisher, first aid kit, and the nearest exit, just in case of an emergency.
  • Keep It Tidy: A clean workspace is a safe workspace. Keep your bench clear of bags, books, and anything else you don't need for the experiment.
  • Handle with Care: Treat all equipment, especially glassware, with respect. It can break easily.
  • Wash Your Hands: Always wash your hands with soap and water after handling chemicals and equipment.

The Big No-No's: Your DON'T List!

Avoiding these things is just as important as following the rules.

  • No Food or Drinks: Never eat, drink, or chew gum in the lab. You could accidentally ingest a dangerous chemical. Your lunch is not part of the experiment!
  • No Running or Pushing: The lab is not a playground. Sudden movements can cause spills and accidents. Walk calmly and carefully.
  • No Tasting or Sniffing: Never taste a chemical! To smell a chemical safely, hold the container away from your face and gently wave the vapour towards your nose with your hand. This is called wafting.
  • Don't Play the Chemist: Never mix chemicals randomly just to see what happens. This can cause dangerous reactions. Only follow the steps in your experiment.
  • Don't Pour Backwards: Never pour unused chemicals back into their original container. This can contaminate the whole bottle. Dispose of them as your teacher instructs.
Real-World Scenario:

Imagine Juma is heating a liquid in a test tube. He's curious and points the open end towards his friend Akinyi to show her the bubbling. Suddenly, the liquid splashes out! Because he wasn't following the rule to point test tubes away from himself and others, he put his friend in danger. Always be mindful of where your experiment is pointing!

Decoding the Signs: Understanding Hazard Symbols

You will see special symbols on chemical bottles. They are like traffic signs for the lab, giving you important warnings. Here are a few common ones:


**1. FLAMMABLE**
This means the substance can catch fire easily, like paraffin (mafuta ya taa).

      (   )
     (   ) )
    (   ) ) )
   (   ) ) ) )
  (   ) ) ) ) )
 (   ) ) ) ) ) )
(   ) ) ) ) ) ) )
 `"""""""""`
    | | |
    | | |
    `"""`

**2. CORROSIVE**
This substance can "eat away" or burn your skin, clothes, or a tabletop.

  ___
 /   \
 |___|      \\|//
  | |        | |
  | |       /   \
 -----------|-----|----
  \ \ \ \ \ | \ \ |
   \ \ \ \ \| \ \|
    \ \ \ \ | \ |
     `--------------`

**3. TOXIC / POISON**
This substance can make you very sick or even be fatal if swallowed, inhaled, or absorbed through the skin.

      .--.
     / .. \
     | |  |
     \ `  /
      `--`
     /    \
    | |  | |
    | |  | |
    \ `""` /
     `----`

What To Do in an "Oops!" Moment

Accidents can happen even when we are careful. The most important rule is: ALWAYS TELL YOUR TEACHER IMMEDIATELY, no matter how small it seems.

  • Minor Spills: Alert your teacher. They will tell you how to clean it up safely.
  • Minor Cuts: Wash the cut with water and inform your teacher so they can help you with the first aid kit.
  • Fire on a Bench: If it's a small fire, your teacher may use a fire blanket or extinguisher. For a fire on clothing, remember to STOP, DROP, and ROLL.

For using a fire extinguisher, remember the word PASS:


--- How to Use a Fire Extinguisher (P.A.S.S.) ---

Step 1: P - Pull the pin. This will unlock the lever.
Step 2: A - Aim the nozzle at the base of the fire, not the flames.
Step 3: S - Squeeze the lever slowly and evenly.
Step 4: S - Sweep the nozzle from side to side.

Image Suggestion: A clear, simple infographic poster on a lab wall showing the four steps of P.A.S.S. for a fire extinguisher. Each step has a simple icon: 1. A hand pulling a pin. 2. A nozzle aiming at the bottom of a small flame. 3. A hand squeezing a lever. 4. An arrow showing a side-to-side sweeping motion.

You Are Now a Safety Ambassador!

Congratulations, Mwanasayansi! You now have the knowledge to keep yourself and others safe in the science lab. Remember, a safe lab is a happy lab, and a happy lab is where incredible discoveries happen. Go forth, be curious, be careful, and have fun exploring the wonders of science!

Habari Mwanafunzi! Welcome to the Science Lab!

Karibu sana to one of the most exciting places in the school – the Integrated Science laboratory! This is where we move from just reading about science to doing science. It's a place of discovery, bubbling chemicals, and amazing "aha!" moments. But just like a good chef must keep their kitchen clean and safe, or a driver must know the traffic rules, a great scientist must master the rules of the lab. Think of these rules not as restrictions, but as your superpowers to explore science safely and confidently. Let's begin!

Image Suggestion: A vibrant, well-lit school science lab in Kenya. Diverse teenage students (boys and girls) are wearing lab coats and goggles, looking engaged and excited. One student is carefully looking at a plant specimen with a magnifying glass while the teacher (Mwalimu) guides them. The background has shelves with beakers and other standard lab equipment.

Why Lab Safety is a Big Deal

Imagine trying to cook sukuma wiki on a jiko without knowing how to handle the hot charcoal or the sharp knife. It could end badly, right? The lab is similar. We work with chemicals, heat, and glass equipment that can be dangerous if not handled with respect and care. Following safety rules ensures that we protect:

  • Yourself: From burns, cuts, or exposure to harmful substances.
  • Your Classmates: An accident caused by one person can harm many. We are a team!
  • Your Mwalimu (Teacher): They are responsible for your safety.
  • The Equipment: Lab equipment is expensive and must be cared for so other students can use it.

Safety is the key that unlocks real scientific investigation. Safety first, science second!

The "DOs" of the Lab: Your Safety Checklist

These are the things you MUST ALWAYS DO. Think of it as putting on your scientist's uniform and activating your safety superpowers!

1. Dress for Success (and Safety!)

  • Wear a Lab Coat: This is your shield! It protects your clothes and skin from spills.
  • Put on Safety Goggles: Your eyes are precious! Goggles protect them from splashes and fumes.
  • Wear Closed Shoes: No open sandals or Akalas! Closed shoes protect your feet from spills or broken glass.
  • Tie Back Long Hair: Long hair can catch fire or dip into chemicals. Tie it up!

2. Listen to Mwalimu

Your teacher will give you instructions for each experiment. Listen carefully and follow every step. If you are ever unsure about something, always ask your teacher. There is no such thing as a silly question when it comes to safety.

3. Know Your Station

Before you start, know where the essential safety equipment is located:

  • Fire Extinguisher
  • First Aid Kit
  • Eyewash Station
  • Safety Shower

4. Handle Chemicals with Respect

Never taste or smell chemicals directly from the container. If you need to know the smell, you must waft it. This means you gently wave the vapour towards your nose from a distance.


    How to Waft Safely:
    
          (Your Nose)
             / \
            / _ \
           | ( ) |
            \___/
              ^
              | <-- Gently wave fumes
              |
      /---------------\
      |               |
      |   Chemical    | ----> [Container]
      |               |
      \---------------/

5. Keep it Clean!

A clean workspace is a safe workspace. Keep your bench tidy and clean up any spills immediately (after informing your teacher!). At the end of the lesson, wash your hands thoroughly with soap and water.

The "DON'Ts" of the Lab: The Forbidden Actions!

Avoiding these things is just as important as doing the right things. Breaking these rules is like driving a matatu through a red light – a recipe for disaster!

  • NO Food, Drinks, or Chewing Gum: It is very easy for your food or drink to get contaminated with chemicals without you even knowing. Keep them in your bag, outside the lab.
  • NO Horseplay: The lab is not a playground. No running, pushing, or throwing things. A simple push could cause someone to knock over a corrosive acid.
  • NEVER Work Alone: You must always have a teacher or a lab technician present when you are in the lab.
  • NEVER Pour Unused Chemicals Back: Pouring a chemical back into its original container can contaminate the entire stock. It's better to take only what you need. Follow Mwalimu's instructions for disposal.

Real-Life Scenario: A student once thought a clear liquid in a beaker was water and was about to drink it. Luckily, the teacher stopped them just in time! It was dilute hydrochloric acid. This is why we NEVER eat or drink in the lab and ALWAYS label our containers.

Understanding Hazard Symbols

Chemicals often come with warning labels called pictograms. They give you a quick idea of the dangers. Here are a few common ones:


1. FLAMMABLE
      . ... .
    .  /   \  .
   .  (     )  .   - This substance can catch fire easily.
  .    `---'    .    Keep it away from flames and heat.
   .   / | \   .     (e.g., Ethanol, Petrol)
    . /  |  \ .
      `--'--'
      
2. CORROSIVE
   ___________
  |           |
  | \\ // \\  |    - This can "eat away" or burn your skin,
  |  -   -  |      eyes, or metals. Handle with extreme care.
  |  \___/  |      (e.g., Strong Acids like Sulphuric Acid)
  |___________|
  
3. ACUTE TOXICITY (Fatal or Toxic)
      .--.
     /    \
    |  ..  |
    |  \/  |     - This substance can cause death or severe
     \.__./       illness if swallowed, inhaled, or touches your skin.
    /      \      (e.g., Mercury, Cyanide)
   | (||) |
   \      /
    `----'

Image Suggestion: A clear, colourful chart displaying all nine GHS (Globally Harmonized System) hazard pictograms with their names underneath: Flammable, Oxidizing, Corrosive, Gas Under Pressure, Explosive, Acute Toxicity, Health Hazard, Serious Health Hazard, and Hazardous to the Environment.

The Safety First "Formula"

While we don't do complex math for safety, think about it like a simple, unbreakable formula for success in the lab.


    (Being Prepared + Following Rules) x Caution = A Safe & Fun Experiment
    
    Where:
    - Being Prepared = Reading the experiment beforehand.
    - Following Rules = Listening to Mwalimu and remembering your DOs/DON'Ts.
    - Caution = Thinking before you act.

What to Do in an Emergency

Even with all the rules, accidents can happen. The most important thing is to STAY CALM and TELL YOUR TEACHER IMMEDIATELY.

  • Fire: Alert the teacher. They will know how to use the fire extinguisher or fire blanket.
  • Chemical Spill: Alert the teacher. Do not try to clean it up yourself unless you are told to.
  • Chemicals on Skin/Eyes: Immediately go to the eyewash station or safety shower and flush the area with lots of water for at least 15 minutes. Have another student alert the teacher.

Conclusion: You Are Now a Safety Ambassador!

Congratulations! You are now equipped with the most important knowledge for any scientist: how to work safely. Remember, a safe scientist is a smart scientist. By respecting the lab and its rules, you are free to explore, discover, and learn amazing things about our world.

Now, let's put on our lab coats and goggles and get ready for some exciting hands-on science. Twende kazi... but safely! Sawa?

Pro Tip

Take your own short notes while going through the topics.

KenyaEdu
Add KenyaEdu to Home Screen
For offline access and faster experience