Simple Machines
Flashcard
•
Science
•
4th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a simple machine that can split things apart or hold a door open?
Back
Wedge
2.
FLASHCARD QUESTION
Front
What is a grooved wheel with a rope running along the groove?
Back
Pulley
3.
FLASHCARD QUESTION
Front
What type of simple machine is a wheel and axle?
Back
A simple machine that consists of a wheel attached to a rod, allowing it to turn together.
4.
FLASHCARD QUESTION
Front
What is a sloping surface that reduces the amount of force needed to lift an object?
Back
Inclined Plane
5.
FLASHCARD QUESTION
Front
What simple machine is used to lift heavy objects by turning a screw?
Back
Screw
6.
FLASHCARD QUESTION
Front
What is a lever?
Back
A simple machine that consists of a bar that pivots on a fixed point called a fulcrum.
7.
FLASHCARD QUESTION
Front
What is the purpose of a pulley?
Back
To change the direction of a force and make lifting easier.
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