

Simple machines
Presentation
•
Science
•
8th Grade
•
Practice Problem
•
Medium
+11
Standards-aligned
Ebony Bowling
Used 6+ times
FREE Resource
11 Slides • 9 Questions
1
2
A machine is a device that makes work easier by changing the size or direction of a force.
When you use a machine, you do work to the machine, while the machine does work on something else.
3
is the number of times the machine multiples force.
4
A simple machine that has a bar that pivots at a fixed point called a fulcrum.
LEVER
5
A simple machine that consists of a wheel over which a rope, chain, or wire passes.
PULLEY
6
A simple machine that consists of two circular objects of different sizes.
Wheel and Axel
7
A simple machine that is a straight , slanted surface, and facilitates the raising of loads.
Inclined Plane
8
Used to hold things together
SCREW
9
A wedge is simple machine that consists of two inclined planes, giving it a thin end and thick end,.. A wedge is used to cut or split apart objects
Wedge
10
11
Multiple Choice
Identify the incline simple machine
12
Open Ended
Identify the simple machine
13
Multiple Choice
A drill bit would be an example of what kind of simple machine
Wheel and Axle
Pulley
Screw
Incline Plane
14
Multiple Choice
A Wheel Champ ramp would be an example of which type of simple machine.
Pulley
Incline Plane
Wedge
Wheel and Axle
15
Multiple Choice
Identify the simple machine in the picture.
Wedge
Lever
Wheel and Axle
Inclined Plane
16
Multiple Choice
A crane would be an example of which type of simple machine?
Lever
Wedge
Wheel and Axle
Pulley
17
A compound machine consists of two or more simple machines combined together to make work easier and increase the mechanical advantage.
18
Multiple Choice
What two simple machines are used in a wheel barrow?
Wheel/axle and lever
lever and pulley
Incline plane and lever
none
19
Multiple Choice
A seesaw is an example of what kind of simple machine?
Lever
Inclined plane
Pulley
Wedge
20
Multiple Choice
A door knob is an example of which simple machine
Lever
Pulley
Wheel and Axle
Screw
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