Your Beating Heart!

Lab Brief #4

🎯 Your mission

Learn the rule. Then catch nature using it.

⚡ The twist

Every species solves the same problem differently.

What you'll learn

Your heart beats all day and all night. Put your hand on your chest and feel it!

Key words

Make a hypothesis first

Before you watch: what do you think it'll do?

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

Step 1 of 4 · Read

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

Step 2 of 4 · Do

Touch something cold and something warm. Tell a grown-up how they feel different.

Step 3 of 4 · Observe

Draw a picture of what you see.

Step 4 of 4 · Record

Share what you learned with someone!

Question 1 of 2

Does your heart beat all the time?

Question 2 of 2

What sense do you use to feel if something is soft?

Mind = blown

🌳 Trees can talk to each other through underground fungus networks.

Nice work!

You got 0 of 2 right.

🎯

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 own body is doing this thousands of times every second.

🏆 Stretch challenge (try it this week): Find one thing about your body that's different from a friend's. Wonder why.

👨‍👩‍👧 For the dinner table: “Tell me something you noticed about your own body today.”

Send it to a parent who's looking for a 10-minute kitchen science win.

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