1. A solid is a  molecule and hard a piece of ice is an example.

2. A liquid is a watery liquid such as water. When you put water into a cup it fills into the  cup shape. 

3. Gases are a smoke from hot food or another thing thats hot and gases do not make a shape. 

4. One fact I will remember is that when you pour water into a cup it makes a cup shape but gases don’t make shapes.