Forces
Work
Motion
Examples of Simple Machines
Simple Machine Vocabulary
100
What is force?
A push or pull
100
What is work?
When force causes something to move a certain distance.
100
What is motion?
A change in position.
100
What simple machine is this? http://www.discoveryexpresskids.com/uploads/2/5/6/9/25695369/457909821.jpg
Inclined Plane
100
A tool that helps people do work.
Simple machine
200
What is gravity?
The force that pulls things together.
200
Lifting up a pencil is doing work. True or false?
True
200
What is speed?
The measure of how fast something moves over a certain distance
200
What simple machine is this? http://www.discoveryexpresskids.com/uploads/2/5/6/9/25695369/1392570457.jpg
Lever
200
This simple machine has a rope that goes around or through something
Pulley
300
What is a spring scale?
This is a tool to measure force.
300
Is holding a stack of books doing work?
No
300
Bicycles travel slower than cars. This means cars move at a greater what?
Speed
300
What simple machine is this? http://ivipworld.com/wordpress/wp-content/uploads/Streamline-Original-Doorstop-by-Weamo-iVIP-BlackBox.jpg
Wedge
300
This simple machine has two inclined planes back to back.
Wedge
400
What is a Newton?
The unit used to measure force.
400
Jack moved his toy car 2 inches. Jill moved the toy car 4 inches. Who did more work?
Jill
400
Which has more mass: a bowling ball or a golf ball?
Bowling ball
400
What is this? https://upload.wikimedia.org/wikipedia/commons/7/76/Rollingstock_axle.jpg
Wheel and Axle
400
This simple machine is a bar that moves back and forth around a point.
Lever
500
What is weight? BONUS: What causes you to weigh more on Jupiter than on Earth?
How heavy an object is. Gravity
500
DOUBLE POINTS: Amanda used 10 newtons to throw her basketball 2 meters in the air. How much work did she do?
20 newton-meters
500
Which takes more force to move: a bowling ball or golf ball?
Bowling ball
500
What simple machine is this? https://images.homedepot-static.com/productImages/52789855-f8d2-4b18-80ac-f60f5fea75b4/svn/ge-incandescent-light-bulbs-30-100rvl-htp2-6-64_1000.jpg
Screw
500
This simple machine is a flat surface that is higher on one end than the other.
Inclined Plane
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