| A | B |
| science | the study of the natural world |
| scientists | people who study our world |
| life science | the study of living things |
| earth science | the study of the earth |
| physical science | the study of matter and energy |
| solar system | includes all the planets that circle our sun |
| environment | the land, water, and air make up earth's .... |
| planets | the earth of one of these |
| animals | type of living things |
| electricity | an example of energy |
| rocks | a type of matter |
| living matter | both plants and animals are.... |
| nonliving matter | air, rocks and water are.... |
| energy | electricity, sound, and light are forms of .... |
| sun | the planets revolve around this |
| star | the sun is a ..... |