matter
space
energy and forces
earth systems
ECHOSYSTEMS
100

what are the 3 states of mater

solid,liquid,gas

100

name the planets in order

mercury,venus,earth,mars,jupiter,saturn,uranus,neptune.

100

what is compression

squeezing things together

100

what is the difference between weather and climate

weather is short term and climate is long term

100

what is abiotic

not living

200

what is the freezing point of water

0

200

what makes a comets trail

burning gas 

200

how does a generator work

by spinning magnets around a copper coil
200

what is the main reason for global warming

CO2

200
what is the smallest lifeform 

microorganisms

300
What state of matter is slime

non-newtonian fluid

300
name 2 space probes
voyager 1 and 2
300

what is placity

when you change something and DOESN'T return to its original shape.

300

name 3 natural disasters involved with wind

tornado,typhoon,hurricane

300

how does plants help fishes

holding dirt in place

400

what are the state of matter of gabes farts and blood

gas,liquid

400

What do we call a scientist who studies space

astrometer 

400

what is power

moving electrons

400
how is a tornado formed

moving columns of hot and cold air turning it vertical.

400

what is the most important thing to make a echostyem

biotic things and abiotic things

500

what is the density of a soilid liquid and gas

vibrating together, sliding around each other, going where ever there is no gas particles

500

What causes day and night on Earth?

earths tilt

500

what is nuclear fissoin

when neutrons strike uranium isotopes

500

what does CO2 destroy in the atmosphere

OZONE

500

What is a abiotic thing that starts with ro and is very cool

rock