All things that have mass and take up space is called ________.
Matter
What state of matter is a coffee cup?
Solid
What causes a matter to change states?
Temperature
What is a physical change?
A temporary change. The molecular composition stays the same.
If it is not matter, it is ________.
Plasma!
What state of matter is the steam that leaves a boiling kettle?
Gas
What is the opposite of melting?
Freezing
What is a chemical change?
A permanent change. The molecular composition is changed entirely.
_______ or _______ have no definite shape.
Liquids or gases.
It is not easy to hold and can be poured easily.
Liquid
What is the opposite of condensation?
Evaporation
When a change is reversible it is a _______ change.
Atoms that are in ______ form spread apart and move more freely.
Gas
It can hold its shape and be cut.
Solid
Which change of matter happens very rarely?
Sublimation
When there is a formation of a new substance it is a ______ change.
chemical
Why do air bubbles rise to the surface of water?
Gases are lighter in weight than liquids.
What state of matter is olive oil?
Liquid
What is the temperature of the boiling point of water?
100 degrees Celsius
Wood burning in fire is an example of a ________ change.
chemical