Today's Rocket Words: Your 5 words and meanings to learn
matter
Any substance that has mass and takes up space by having volume.
molecule
An electrically neutral group of two or more atoms held together by chemical bonds.
microorganism
A microscopic organism, especially a bacterium, virus, or fungus.
dead
No longer alive.
detritivore
An animal which feeds on dead organic material, especially plant detritus.