Grade 5 · Science · Lesson 16

Simple Machines

A simple machine is a tool with very few moving parts that makes work easier. It does not give you free energy — it lets you trade a long, gentle effort for a short, hard one, or the other way around. Six classic simple machines are hiding in everyday objects all around you.

What this lesson teaches

1Identify the six simple machines and how each one works
2Match each simple machine to an everyday example
3Explain how simple machines make work easier by trading effort for distance
4Sort tools and objects into the simple machine they belong to

Free · 7 days · No credit card

Unlock the full HSEA system for 7 days.

Create a kid profile, open any lesson, save progress — your family uses HSEA exactly the way a paying family does. Cancel anytime. Nothing to set up, no card required.

✓ All 1,680 lessons, Grades 1–6, every subject
✓ Profiles + saved progress for every kid
✓ Final exams + printable certificates

Start your 7-day free trial →

Already convinced? See full membership plans →