Lesson 40 of 84 · Forces

Experiment⭐ 30 XP⚡ Spark Lab

How Far Can You Push It? (Part 2)

🧪Lab Brief #40

How Far Can You Push It? (Part 2).

🎯 Your mission

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

⚡ The twist

The opposite of what you expect is often what happens.

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Mind = Blown

🔥 A bolt of lightning is 5 times hotter than the surface of the sun.

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Make a hypothesis first

Predict: what happens if you double the force?

What You'll Learn

The stronger the push or pull, the more an object moves. A hard kick sends a ball farther!

Key Words

friction
speed

Materials Needed

cardboard
marbles
paper clips
rubber bands

Safety First

Adult supervision recommended.
Do not taste any materials.
Wear safety goggles when mixing liquids.

Steps

Step 1 — Read

Talk about what you already know about Forces.

Step 2 — Do

Build a simple lever with a ruler and pencil. Try lifting objects on one end by pushing the other.

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

What is a force?

How sure are you going to be?😐 maybe

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Where you see this in real life

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

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Stretch Challenge

Try this in real life this week.

Time how long a small ball rolls down something, then change the slope and try again.

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For the dinner table

“Show me something at home that uses this kind of energy.”

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Next Smart Experiment

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

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