Which is a physical change
melting ice or rusting metal
100
a vibration
how does sound begin with
a vibration or a wave
100
Density of a material is its mass per unit volume
What is the definition of density
100
kinetic
if you are just a about to jump what energy type is this?
200
solid
you break of a piece of chocolate, what state of matter is the piece of chocolate in?
200
physical change
What change is a candle melting
200
500 hertz
how many hertz can people hear?
200
the smallest thing in the universe , also a particle that makes up everything in the world
What is the definition of atoms?
200
potential
when you are on a roller coaster about to drop
300
solid- liquid to gas
What is the state of matter process of an ice cube, if you take one ice cube out of the fridge, melt it in a bowl, then you take it and boil the water that you get after you melt the ice cube
300
physical change
corroding metal
300
Light is a form of energy which our sense of sight can detect. It is made of electro-magnetic radiation and travels in a straight path.
What is the definition of light
300
how much something can hold or the amount it can hold
What is the definition of mass?
300
c. an ball rolling down a hill
what would have the most kinetic energy?
a. A car driving down a hill
b. A person running down a hill
c. An ball rolling down a hill
400
chemical change
frying an egg
400
pitch
What is the term used for the frequency of sound?
400
pure substance, can not be broken down also made up of atoms that have the same properties
what is element?
500
sublimation
What is the transformation from solid to gas?
500
physical change
cream being whipped
500
how loud the sound is
a sound waves amplitude determines how...............
500
the brain practically of a cell also the center of the cell
What is an nucleus?
500
potential
what type of energy is this: when your leg falls asleep and it hurts