A scientific test to find an answer, make a discover, or prove an idea
Experiment
To make a guess about what will happen in the future
Predict
Dirt, trash, or chemicals that make our environment dirty
Pollutants
Something that is good or helpful
Benefit
To have or hold something inside
Contain
To make something dirty
Contaminate
The answer that you get from an experiment
Conlusion
To look closely at something
Investigate
To clean or sanitize something
Disinfect
To give something lots of water
Hydrate