This is a pure substance that cannot be broken down into any other substance but physical or chemical means.
What is an element?
100
If something sinks when it is placed in water, does it have a higher or lower density than the water?
What is higher?
100
Rusting is an example of this.
What is a chemical change?
100
This law states that when the pressure of a gas at a constant temperature is increased, the volume decreases and when the pressure is decreased, the volume increases.
What is Boyle's Law?
100
The measurement of the amount of matter in an object is called...
What is mass?
200
Atoms combine with other atoms to form this.
What is a compound?
200
A cubic centimeter would be used for measuring this.
What is volume?
200
Changing from a solid to a gas is an example of this kind of change.
What is a physical change?
200
This is something's mass divided by its volume.
What is density?
200
Every physical or chemical change in matter includes a change in this.
What is energy?
300
Compounds can be represented with this.
What is a chemical formula?
300
A solution is this type of mixture.
What is homogeneous mixture?
300
Something's color is this kind of property.
What is a physical property?
300
This is a change in matter in which energy is taken in.
What is endothermic change?
300
When a gas changes to a liquid, it is called this.
What is condensation?
400
Compounds the same or different properties from the elements they are made of?
What is different?
400
This state of matter has no definite shape but does have a definite volume.
What is a liquid?
400
Silver tarnishing is this kind of change.
What is chemical change?
400
This is when groups of two or more atoms are held together by a chemical bond.
What is a molecule?
400
Because of surface tension, a liquid can do this.
What is form drops?
500
Compounds are not like these because they aren't easy to separate.
What are mixtures?
500
When particles in a gas lose thermal energy, the move like this.
What is slowly?
500
Combustion is this kind of change.
What is chemical change?
500
This is the force of attraction between two atoms.
What is a chemical bond?
500
According to this law, the volume of a gas will increase if heat is increased.