What do you call anything that takes up space and has weight?
Matter
What is the term for the amount of matter in an object?
Mass
What state of matter is firm and stable in shape?
Solid
What state of matter flows freely but is constant in volume?
Liquid
What state of matter has no fixed shape or volume?
A gas
What state of matter is a highly ionized gas that forms when energy is added to it?
Plasma
What is the term for the process of changing from a liquid to a gas?
Evaporation
What is the term for the process of changing from a gas to a liquid?
Condensation
What is the term for the process of changing from liquid or gas to a solid?
Freezing or solidification
What is the term for the process of changing a solid to gas?
Sublimation (no liquid stage)
What is the term for the process of changing a solid into a liquid?
Melting (or fusion)
The melting and freezing of ice to water to ice is what kind of change of matter? Physical or Chemical?
Physical. The change is reversible.
The burning of wood to smoke and ash is what kind of change of matter? Physical or Chemical?
Chemical. The change creates a new substance. It is irreversible.
What is the term for the amount of space an object takes up?
Volume
What kind of energy do you use for cooking?
Electrical (stove) or Heat (fire) or Chemical (lemon juice on raw fish)
Natural gas, oil, coal, and nuclear energy are considered what type of energy source? Renewable or nonrenewable?
Non-renewable. Once these resources are used up, they cannot be replaced.
