Materials for the Job

Lab Brief #15

🎯 Your mission

Run the experiment. Find out what really happens.

⚡ The twist

Color changes mean atoms are rearranging — even if you can't see them.

What you'll learn

Different materials are good for different jobs. Glass is see-through, rubber is stretchy, and metal is strong.

Key words

material
The stuff something is made of, like wood, metal, or plastic.

Make a hypothesis first

Before you mix: what color do you think it'll turn?

Say your guess out loud — then find out if you were right.

Get ready

🧰 What you need

paper towels

⚠️ Safety first

Have an adult check your set-up before you start, and tidy everything away afterwards.

Step 1 of 4 · Read

Look at the new words. Can you say each one?

Step 2 of 4 · Do

Stretch, bend, and tear different materials (paper, foil, rubber band). Record what happens to each.

Step 3 of 4 · Observe

Draw a picture of what you observe.

Step 4 of 4 · Record

Share your results with a partner.

Question 1 of 2

Why are windows made of glass?

How sure are you?😐 maybe

Question 2 of 2

Which material would you choose for a strong bridge?

How sure are you?😐 maybe

Mind = blown

🌈 Every color you see is your brain inventing a translation of light frequencies.

Nice work!

You got 0 of 2 right.

Next: Separating a Mixture All lessons

🎯

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

✨ More to explore

🌍 Where you see this in real life: Your toothpaste, your soap, even your breakfast involves this.

🏆 Stretch challenge (try it this week): Ask a grown-up to help you mix two safe kitchen things. Predict what will happen first.

👨‍👩‍👧 For the dinner table: “What's something we cook that mixes things together this way?”

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Materials for the Job

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