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Machine Types, Levers, pulleys, inclined planes

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Overview

3rd Grade Science
Forces and Motion
7. Simple Machines
7.1 Machine Types, Levers, pulleys, inclined planes

Simple Machines: Discover Levers, Pulleys, and Inclined Planes!

You will explore how levers, pulleys, and inclined planes help you move heavy objects using less force every day.

What You'll Learn

You will learn that simple machines make work much easier.
You can identify the fulcrum, effort, and load on levers.
You will discover how pulleys change the direction of force.
You will see how ramps spread work over a longer distance.

What You'll Practice

1

You will identify parts of levers, pulleys, and inclined planes.

2

You will match real-life objects to the correct simple machine.

3

You will explain how each simple machine reduces your effort force.

Why This Matters

Understanding simple machines helps you see how everyday tools work and gives you the knowledge to solve real-world problems using science.

This Unit Includes

1 Video lesson
Practice exercises
Learning resources

Skills

Simple Machines
Levers
Pulleys
Inclined Planes
Fulcrum
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