Springs Store Energy

Lab Brief #20

🎯 Your mission

Master the concept. Use it tomorrow.

⚡ The twist

Energy never disappears — it just hides somewhere else.

What you'll learn

Springs store energy when you squish or stretch them. When you let go, they bounce back!

Key words

Make a hypothesis first

Before you start: which will move faster, and why?

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

Step 1 of 3 · Read

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

Step 2 of 3 · Observe

Compare what happened to what you predicted.

Step 3 of 3 · Record

Tell the class one thing you learned today.

Question 1 of 2

What does a spring do when you let it go?

How sure are you?😐 maybe

Question 2 of 2

A squashed spring is storing:

How sure are you?😐 maybe

Mind = blown

⚡ Static electricity is the same physics as lightning, just smaller.

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: You use this every time you flip a light switch, ride a bike, or kick a ball.

🏆 Stretch challenge (try it this week): Time how long a small ball rolls down something, then change the slope and try again.

👨‍👩‍👧 For the dinner table: “Show me something at home that uses this kind of energy.”

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

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