Heat on the Move

Lab Brief #24

🎯 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

Heat moves from hot things to cold things. A cold spoon in hot soup gets warm!

Key words

heat
A form of energy that makes things warmer.

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

salt

⚠️ Safety first

Mop up spills straight away so nobody slips, and keep liquids away from sockets.

Step 1 of 4 · Read

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

Step 2 of 4 · Do

Mix salt into warm water and cold water. Stir 20 times each. Which dissolves faster?

Step 3 of 4 · Observe

Look for something that changed. What is it?

Step 4 of 4 · Record

Circle the correct answer on your worksheet.

Question 1 of 3

What happens when you heat ice?

How sure are you?😐 maybe

Question 2 of 3

Can you separate sand from water?

How sure are you?😐 maybe

Question 3 of 3

What happens when water gets very cold?

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 3 right.

Next: Sound Travels Through Matter 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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