Simple Machines Exploration
Explore the six types of simple machines and how they make work easier in this Grade 3 science worksheet.
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Simple Machines Exploration
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Read each question carefully and answer to the best of your ability. This worksheet will help you understand the different types of simple machines and how they help us.
1. Which simple machine helps you lift heavy objects by changing the direction of the force?
Lever
Pulley
Inclined Plane
Wheel and Axle
2. A ramp is an example of an .
3. A screw is a type of inclined plane wrapped around a .
4. A wedge is used to split things apart.
True
False
5. Name two simple machines you might find on a bicycle.
Match each simple machine to its description.
6. Lever
a. Uses a rope and wheel to change direction of force
7. Pulley
b. A stiff bar that rests on a support (fulcrum)
8. Wheel and Axle
c. A wheel attached to a rod, used to move things easily
Use the words below to complete the sentences.
9. Simple machines help us do with less .
10. An inclined plane allows you to move an object over a longer but with less effort.