Hot or Cold?

Lab Brief #13

🎯 Your mission

Predict it first. Then prove yourself right (or wrong).

⚡ The twist

The slowest changes are the biggest ones.

What you'll learn

A thermometer tells us how hot or cold it is outside.

Key words

cold
Having very little heat, so it feels chilly.

Make a hypothesis first

Predict: which will erode faster?

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

Get ready

🧰 What you need

rocks

⚠️ Safety first

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

Step 1 of 4 · Read

Say the vocabulary words out loud. Can you repeat them?

Step 2 of 4 · Do

Collect leaves, rocks, and sticks from outside. Sort them by size.

Step 3 of 4 · Observe

Did anything change? Point to what is different.

Step 4 of 4 · Record