Energy
Light Energy
Force and Motion
Machines and Structures
Other
100
True or False: Balanced forces do work.
False - unbalanced forces do work.
100
What kind of material scatters light?
Translucent
100
An object at rest will _________ unless acted upon by an unbalanced force.
Stay at rest
100
What gives a building its shape?
The Frame
100
Opposite poles of a magnet do what?
Attract
200
Light and sound are examples of what kind of energy?
Kinetic
200
What kind of light bounces or is thrown back?
Reflected Light
200
True or False: Force is the amount of matter an object has.
False
200
What is a device that makes work easier?
A Machine
200
List the colors of the spectrum in order
Red
Orange
Yellow
Green
Blue
Violet
300
Changing energy from one kind to another is what kind of energy?
Converted Energy
300
What kind of material transmits light?
Transparent
300
True or False: Friction increases with a rough surface.
True
300
What part of a level holds and balances weight?
Fulcrum
300
What is measured from one crest of a wave to another?
Wavelength
400
Coal and other fuel sources are what kind of energy?
Potential
400
When an object gives off light, what do we call that?
Luminous
400
Because of its magnetic field, a magnet has what?
Polarity
400
What type of machine is this?
Inclined Plane
400
The highness or lowness of a sound is called what?
Pitch
500
Material that can easily transfer energy
Conductor
500
What kind of material blocks light?
Opaque
500
What kind of electricity is the flow of electrons along a path?
Current Electricity
500
What type of machine is this?
Pulley
500
All matter is made up of particles called what?
Molecules