Doing Work

When you do work, you make something...

• stay still

• move

• change shape

Heavy and Light go together in the same way that push and ________ go together.

• small

• turn

• pull

Which takes the most work to lift?

• 
• 
• 

What takes the most work?

• picking a toy up off the floor

• putting a toy on the floor

• taking a toy to the park

What takes the least work?

• carrying a heavy toy a long way

• carrying a light thing a short way

• carrying a heavy thing a short way

How do machines help us do work?

• They can make work faster, but not easier.

• They can make work easier, but not faster.

• They can make work faster or easier.

In which picture is the boy doing more work?

• pulling the hippo

• pulling the mouse

• he does the same work in both pictures