Show:
Simple Machines
Light
Sound
Water Cycle
Solar System
100
inclined plane
what simple machine do you need to make a wedge?
100
the bending or breaking of light
What is refraction?
100
the back-and-forth movement of matter
What is the definition vibration?
100
any form of liquid coming back to earth
What is precipitation?
100
false
True or false? A star moves fast.
200
fulcrum
What is a fixed point on a lever?
200
it reflects
What happens when light hits a mirror?
200
it determines volume
What does amplitude determine?
200
when water vapor cools down as it rises, and changes back into a liquid
What is condensation?
200
earth's tilt toward the sun
What causes our seasons?
300
turn together
What does a wheel and axel have to do to be a simple machine?
300
the bouncing of light
What is reflection?
300
the amount of vibrations per a second
What is frequency?
300
when water changes from a liquid to a gas as it is heated
What is evaporation?
300
a pattern of stars that creates an imaginary picture in the sky
What is the definition of constellation?
400
wedge
What simple machine does not change the direction of a force?
400
all the colors get separated into a rainbow
What happens when white light hits a prism?
400
a sound that bounces off a hard surface and comes back to you
What is the definition of echo?
400
when water is stored on earth as it falls back to the surface
What is collection?
400
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
Name the planets in order.
500
the force used to accomplish something
What is the definition of work?
500
true
True or false? A raindrop is a prism.
500
a solid
What matter does sound travel fastest through?
500
evaporation, condensation, precipitation, and collection
Name the water cycle in order?
500
the meteor chain
What separates the inner planets from the outer planets?