Stem List 6

needing oxygen or air to live

aerodynamic-having a shape which reduces the drag from air moving past.

against

contraband- goods that have been imported or exported illegally. (think, against the law)

​remove

defrost-to remove frost, usually from a windshield of a car.

habitat/environment

ecology-the study of living environments

earth

geology-the study of rocks and minerals (think of things on the ground or in the earth)

place

locomotive- a powered rail vehicle used for pulling trains from place to place

bad

maltreatment- cruel or violent treatment of a person or animal; mistreatment.

foot

Podiatrists- people who treat many foot-related conditions

instrument used to observe

telescope- instrument used to view things far away.

group

taxonomy- the branch of science concerned with classification or grouping living things.