Ecosystems
Movement
Light
Sound
Solar System
100

An organism that makes its own food

producers

100

any motion that changes the direction of an object

force

100

natural light comes from

the sun

100

moves quickly back and forth

vibrate

100

our solar system is called

the milky way galaxy

200

only eats dead or decaying matter

decomposer

200

a force that moves an object towards

pull

200

energy is taken in

absorb

200

how high or low a tone is

pitch

200

Earth completes this in 24 hr period

rotation

300

break down food 

digest

300

the number of objects that make up an object

mass

300

light bounces off an object

reflection

300

air causes lips to vibrate on these kinds of instruments

brass

300

holes left on planets hit by asteroids are called

craters 

400

relationship between two organisms where they both benefit

mutualism

400

the effect of the gravitational force on an object's mass

weight
400

light bounces off a rough object and goes in different directions

scattering

400

these instruments make sound by being shaken, hit, or scraped

(not just a drum)

percussion

400

beyond Mars is a rocky field called

Asteroid belt 

500

fleas harm their host by biting them, this is an example of

parasitism 

500

a person who studies physical science

physicist 

500

light changes direction

refraction

500

instruments made out of wood

woodwinds

500

the term for the planets revolving around the sun

(people used to think the solar system was geocentric- going around earth)

heliocentric