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100
elements are......... and mixture are .......
What is pure and impure substances
100
energy can not be created nor destroyed
What is the law conservation of energy
100
..... is what keeps everything on earth
What is gravity
100
..... can travel through materials
What is waves
100
food has ..... energy in it
What is chemical
200
there are ...... hyrodren atoms in H2O
What is two
200
a ball on to of a ramp has ..............
What is potential energy
200
............. are used to make work easier for humans
What is simple machines
200
the lenghth of a wave to an other wave is the........
What is wave lenghth
200
to crush a grape you need .......... energy
What is physical
300
solids, liquids, gases, and plasma all have one thing similar which is they are all made up of .....
What is matter
300
a ball being thrown has ........
What is kinetic energy
300
a ....... is to keep an object together
What is a screw
300
light waves ...... when they pass through a glass of water
What is bend
300
your body uses .......... energy everyday
What is chemical
400
matter can not be created nor destroyed
What is the law of conservation of matter
400
.............................. are all different forms of energy
What is heat, light, electricity, mechanical motion, and sound energy
400
two .......... can make a pair of scissors
What is wedges
400
the color ....... has the shortest wave lenghth
What is violet
400
two or more simple machines combined
What is compound machines
500
.......... has matter
What is everything
500
determines an objects thermal energy
What is the motion of its particals
500
waves that dont require a medium
What is electromagnetic waves
500
the fastest speed in the world
What is light speed
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