earth science
physical science
life science
nature of science
100

what is the name of the theory to all continents coming together as one super continent?


pangea
100

what is the definition of trough in a wave?

the lowest point in the wave

100
what makes the leaf green in photosynthesis?

chloroplasts

100
if i give more water to the plants then they will grow faster. what is the dependent variable?
"then they will grow faster"
200

what is it called when 2 plate tectonics pull apart ?

divergent boundary


200

what wave in the EM spectrum has the highest frequency?

gamma rays

200
what body system helps breaks down nutrients for your body? 
digestive system
200
when you light a paper on fire it always turns into ashes. is this a law or theory?
law
300

what is the name of the force that keeps the planets in the solar system

gravity

300
what is the only wave in the EM spectrum that can be seen with the naked eye?
visible light 
300
what ecosystem has to do with the ice caps?
cryosphere
300
if i go to bed early then i wont be so tired in the morning.what is the independent variable?
"if i go to bed early"
400

this rock has many layers what type of rock is it?

sedimentary

400
what wave in the EM spectrum can help measure temperature?
infrared radiation
400
what body system send your brain messages about what is going on around your body?
nervous system 
400
what is the definition of "law"
a reliable prediction 
500
what is it called when 2 plate tectonics slide past each other?
transform boundary
500
what are atoms made of?
protons, neutrons, electrons.
500
what ecosystem stands for all living things?
biosphere
500
what is the definition of theory?
"the explanation based on the observation"
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