1
It is a physical change. A liquid changes into a solid.
2
It is a physical change. A gas changes into a liquid.
3
This chemical reaction occurs in the absence of oxygen and by the action of various living things, such as yeast or bacteria
4
It is a physical change. A liquid changes into a gas.
5
This is a very fast oxidation that occurs when a substance called fuel combines with oxygen and burn
6
This is a chemical reaction that occurs when a substance combines with oxygen in the air to form a new substance, called rust
7
when you press something soft, you ______ it. It is a physical change
8
It is a physical change. A solid changes into a liquid.
9
When you change the shape of something, you ______ it. That is a physical change
10
When you apply a force to something very fragile you ____ it. It is a physical change
