Earth and Space
Matter
Force, Motion, and Energy
100

the star that is at the center of our solar system

Sun

100

solid, liquid, gas

states of matter


100

the force that resists motion when two surfaces rub against each other 

friction

200

a group of stars forming a pattern in the sky 

Constellation 

200

combination of two or more substances that keep their own properties

mixture

200

material that stops or slows the flow of heat, electricity, or sound 

insulator

300

the largest planet in our solar system

Jupiter

300
the ability of an object to float or rise in a liquid or gas

buoyancy

300

a circuit having more than one path along which a current can travel

parallel circuit 

400

a large system of starts, dust, and gas

Galaxy

400

the amount of matter compacted into a given volume of a substance 

density

400

a circuit having only one path along which a current can travel 

series circuit 

500

a large body that moves in an orbit around a star

planet

500

two or more atoms joined together by chemical bonds

molecule

500

the transfer of heat through currents in gas or liquid 

convection