Roots & Affixes "hydro, bio, geo, atmos, re, logy"

Which word is most likely to mean "a very fast boat designed to skim over the top of water"?

• hydroplane

• hydrant

• hydroelectric

• hydrated

atmo-

• land

• water

• life

• air

A book written about someone's life

• biography

• geography

• biology

• graphic novel

re

• before

• again

• after

• look

geo-

• land

• water

• life

• air

bio- means

• land

• water

• life

• air

Which word means "electric made from water"?

• thermoelectric

• electromagnetic

• hydroelectric

The study of Earth

• biology

• geology

• chemistry

• physiology

Choose the correct word to fill in the blank.

A ______ is someone that studies living things.

• biography

• biology

• biologist

• biosphere

Which root means "earth"?

• geo
• auto
• jur
• bio