Light and Sound
Simple Machines
Ecology
Water Cycle
Solar System
100
Back and forth movement of matter
What is vibration?
100
use of force to move an object
What is work?
100
all of the living and nonliving things surrounding an organism
What is environment?
100
gas form of water
What is water vapor?
100
to spin around an axis
What is rotate?
200
Loudness of a sound
What is volume?
200
a wheel with a line around it
What is a pulley?
200
a living thing that feeds on waste
What is a decomposer?
200
process by which gas changes to a liquid
What is condensation?
200
to travel in a closed path
What is revolve?
300
How high or low a sound is.
What is pitch?
300
a machine with few or no moving parts?
What is a simple machine?
300
animal that eats plants
What is an herbivore?
300
movement of water from the surface of Earth to the air and back again
What is the water cycle?
300
a natural body that revolves around a planet
What is a moon?
400
When light bounces off an object.
What is reflection?
400
a post with threads
What is a screw?
400
animal that eats meat
What is a carnivore?
400
study of weather
What is meteorology?
400
huge ball of superheated gases
What is a star?
500
when an object allows all light to pass through it
What is transparent?
500
a slanted surface
What is an inclined plane?
500
animal that eats plants and meat
What is an omnivore?
500
pattern of weather an area experiences over a long period of time
What is climate?
500
everything that exists in space
What is the universe?
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