84

Lesson 84 of 84 ยท Forces

Lessonโญ 30 XPโšก Spark Lab

Push and Pull Forces (Part 3)

๐ŸงชLab Brief #84

Push and Pull Forces (Part 3).

๐ŸŽฏ Your mission

Master the concept. Use it tomorrow.

โšก The twist

The opposite of what you expect is often what happens.

๐Ÿคฏ

Mind = Blown

๐Ÿ”ฅ 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

A force is a push or pull that can change an object's motion, shape, or direction. Forces are measured in Newtons and can act through contact or at a distance.

Key Words

  • simple machine
  • lever

Steps

Step 1 โ€” Read

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

Step 2 โ€” Do

Build a simple motor using a battery, magnet, wire, and paper clip supports. Observe how electromagnetic forces create rotation.

Step 3 โ€” Observe

Observe what happens and describe it in detail.

Step 4 โ€” Record

Record your observations in your science journal with measurements and descriptions.

Check Your Understanding

Question 1

1 of 3

What is an electromagnet?

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Where you see this in real life

This is why airplanes can fly and why rockets reach space.

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Stretch Challenge

Try this in real life this week.

This week, find one thing in your house that turns one kind of energy into another.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œShow me something at home that uses this kind of energy.โ€

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Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

๐ŸŒShare card

Share this experiment

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

๐Ÿ–จ๏ธ

Checkout complete lesson on Forces for 7th Grade

Get the full Forces track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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