Matter is anything that has mass and takes up this.
What is space?
Density compares mass to this.
What is volume?
A push or pull is called this.
What is a force?
Speed tells how fast an object moves over this.
What is distance?
Energy of motion.
What is kinetic energy?
Changing from a liquid to a gas is called this.
What is evaporation?
If an object is LESS dense than water, it will do this.
What is float?
The force that pulls objects toward Earth.
What is gravity?
A roller coaster at the top of a hill has mostly this kind of energy.
What is potential energy?
Stored energy is called this.
What is potential energy?
A substance made from two or more elements chemically combined.
What is a compound?
Adding salt to water increases its ______.
What is density?
Balanced forces cause this type of motion change.
What is no change in motion?
The faster an object moves, the more of this it has.
What is kinetic energy?
Energy moving from a warmer object to a cooler object is called this.
What is thermal energy transfer?
This state of matter has particles packed tightly together that vibrate in place.
What is a solid?
A bowling ball and basketball are the same size. Which has greater density?
What is the bowling ball?
Friction usually causes moving objects to do this.
What is slow down?
This force resists motion between two surfaces touching.
What is friction?
Electrical energy turning into light energy is an example of this.
What is energy transformation?
When matter changes form but stays the same substance, it is called this type of change.
What is a physical change?
Why do oil and water separate?
What is they have different densities?
When forces are unbalanced, motion will do this.
What is change?
A car speeds up after the light turns green. The forces are ______.
What are unbalanced?
In a flashlight, chemical energy in the battery changes into these two forms of energy.
What are light and thermal energy?