Space
Matter
Electricity
Simple Machines
Air
100
Sun
What is the center of our Solar System?
100
A solid
What is matter that has a definite shape and takes up a definite amount of space?
100
Circuit
What is a path that is made for an electric current?
100
A lever
What is a bar that turns around a fixed point?
100
Atmosphere
What is the layer of air that surrounds our planet?
200
Star
What is a burning sphere of gases?
200
Mass
What is the amount of matter that an object contains?
200
electric cell
What is a battery which supplies energy to move charges through a circuit?
200
A pulley
What is a rope or chain and a wheel around which the rope fits?
200
Troposphere
What is the layer of earth closest to Earth?
300
orbit
What is the path of an object as it revolves?
300
A gas
What is matter that has no definite shape and takes up no definite amount of space.
300
A conductor
What is a material that current can pass through easily?
300
An inclined plane
What is a flat surface that has one end hight than the other?
300
Stratosphere
What is the layer of our atmosphere where ozone is located?
400
Neil Armstrong
Who is the first man on the moon.
400
Volume
What is the amount of space a solid or liquid takes up?
400
an insulator
What is a material that current cannot pass through easily?
400
A screw
What is an inclined plane wrapped around a pole?
400
Air pressure
What are air particles pressing down on the surface of the earth?
500
prominences
What are red streams and loops of gases that shoot out from the sun?
500
Density
What is the property of matter that compares the amount of matter to the space taken up?
500
A resistor
What is a material that resists but does not stop the flow of current?
500
A wedge
What are two inclined planes placed back to back?
500
Greenhouse effect
What is the trapping of heat in the Earth's atmosphere?
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