31

Lesson 31 of 84 ยท Forces

Lesson

Wedges and Screws in Everyday Life

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

  • balanced
  • gravity
  • friction

Steps

Step 1 โ€” Read

Read about Forces and write down three key facts.

Step 2 โ€” Do

Create a Rube Goldberg machine with at least 5 steps that demonstrates energy transfer from one form to another.

Step 3 โ€” Observe

Use your senses (except taste) to describe what you notice.

Step 4 โ€” Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

Which is NOT a simple machine?

Wedges and Screws in Everyday Life โ€” Forces | 4th Grade Science | LittleActivity | LittleActivity