40

Lesson 40 of 84 ยท Motion and Forces

Lessonโญ 30 XPโšก Spark Lab

Kinetic Energy: Energy in Motion (Part 2)

๐ŸงชLab Brief #40

Motion and Forces.

๐ŸŽฏ Your mission

Learn the rule. Then catch nature using it.

โšก The twist

The opposite of what you expect is often what happens.

๐Ÿคฏ

Mind = Blown

๐ŸŽข You feel weightless on a roller coaster because you and the seat are falling at the same speed.

๐Ÿ”ฎ

Make a hypothesis first

Predict: what happens if you double the force?

What You'll Learn

Kinetic energy is the energy of motion. A moving car, a rolling ball, and a flying bird all have kinetic energy. The faster an object moves, the more kinetic energy it has.

Key Words

  • velocity
  • force
  • Newton

Steps

Step 1 โ€” Read

Review the background information on Motion and Forces before starting.

Step 2 โ€” Do

Build a simple circuit using a battery, wire, and light bulb. Then add a switch and test what happens when you open and close it.

Step 3 โ€” Observe

Watch carefully for any changes and note the time.

Step 4 โ€” Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What type of energy does a moving object have?

๐ŸŒ

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€

๐ŸŽฏ

Next Smart Experiment

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

๐Ÿ”ฌShare 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 Motion and Forces for 8th Grade

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

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