Lesson 75 of 84 · Matter

Lesson⭐ 30 XP🧪 Potion Kitchen

Changing Materials with Heat (Part 3)

🧪Lab Brief #75

Changing Materials with Heat (Part 3).

🎯 Your mission

Master the concept. Use it tomorrow.

⚡ The twist

Mixing two safe things doesn't always make a safe thing.

🤯

Mind = Blown

💧 Hot water can freeze faster than cold water under the right conditions. Nobody fully understands why.

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Make a hypothesis first

Predict: will the mixture get hotter, colder, or stay the same?

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
texture

Steps

Step 1 — Read

Talk about what you already know about Matter.

Step 2 — Do

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

Step 3 — Observe

Compare what happened to what you predicted.

Step 4 — Record

Tell the class one thing you learned today.

Check Your Understanding

Question 1

1 of 3

Which will melt in the sun?

How sure are you going to be?😐 maybe

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Where you see this in real life

Your toothpaste, your soap, even your breakfast involves this.

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Stretch Challenge

Try this in real life 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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Next Smart Experiment

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🖨️

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