Heat Transfer

Lab Brief #3

🎯 Your mission

Master the concept. Use it tomorrow.

⚡ The twist

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

What you'll learn

Thermal energy transfers from warmer objects to cooler ones through conduction (direct contact), convection (fluid movement), and radiation (electromagnetic waves).

Key words

mass
The amount of matter, or stuff, that is inside an object.
volume
The amount of space that an object takes up.

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.

Step 1 of 4 · Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 of 4 · Do

Heat ice and record the temperature every minute as it melts and then boils. Graph the temperature changes and label each phase change.

Step 3 of 4 · Observe

Look for patterns in your observations.

Step 4 of 4 · Record

Make a graph or chart showing your results.

Question 1 of 3

What happens to particle motion when matter is heated?

How sure are you?😐 maybe

Question 2 of 3

How is a compound different from a mixture?

How sure are you?😐 maybe

Question 3 of 3

What makes a physical change different from a chemical change?

How sure are you?😐 maybe

Mind = blown

🧪 If you could remove all the empty space from atoms, the entire human race would fit in a sugar cube.

Nice work!

You got 0 of 3 right.

Next: Metals and Nonmetals All lessons

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✨ More to explore

🌍 Where you see this in real life: This is happening in your kitchen right now — every time food cooks.

🏆 Stretch challenge (try it this week): Find one ingredient in a snack and look up what it does.

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

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