Simple Machines
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a simple machine?
Back
A simple machine is a device that changes the direction or magnitude of a force, making work easier. Examples include levers, pulleys, inclined planes, screws, wedges, and wheel and axles.
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
2.
FLASHCARD QUESTION
Front
What are the six types of simple machines?
Back
The six types of simple machines are: 1) Lever, 2) Wheel and Axle, 3) Pulley, 4) Inclined Plane, 5) Wedge, 6) Screw.
3.
FLASHCARD QUESTION
Front
How does a lever work?
Back
A lever consists of a rigid bar that pivots around a fixed point called the fulcrum. It can amplify force or change the direction of force applied.
4.
FLASHCARD QUESTION
Front
What is the function of a wheel and axle?
Back
A wheel and axle is a simple machine that consists of a larger wheel attached to a smaller axle. It reduces friction and makes it easier to move or lift loads.
Tags
NGSS.MS-PS2-1
5.
FLASHCARD QUESTION
Front
What is an inclined plane?
Back
An inclined plane is a flat surface that is tilted at an angle to the horizontal. It allows heavy objects to be raised with less effort by spreading the work over a longer distance.
6.
FLASHCARD QUESTION
Front
What is a wedge?
Back
A wedge is a simple machine that consists of two inclined planes joined back to back. It is used to split, cut, or lift objects.
7.
FLASHCARD QUESTION
Front
What is a screw?
Back
A screw is a simple machine that consists of a spiral inclined plane wrapped around a cylinder. It converts rotational motion into linear motion and is used to hold objects together or lift materials.
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