7th grade end of level

Match it! Select the correct answer from the pull down...Good luck!

A tool with steps in which there are two descriptive choices to choose from.

A series of procedures taken in science that can help solve a problem.

The scientific theory that living things came from non-living things.

Humans are made up of around ______% water

Something in an experiment that can change.

The two major classification categories.

The theory that living things only come from other living things.

Any living thing.