Earth Science Concepts for Grade 8

Front

Rotation of Earth

Back

of Earth on its axis causing day and night

Front

Revolution of Earth

Back

orbit around the Sun, taking about 365 days

Front

Orbit

Back

one object takes around another in space

Front

Ozone layer function

Back

most harmful ultraviolet radiation from the Sun

Front

Main gases in atmosphere

Back

oxygen, argon, carbon dioxide

Front

Rock cycle

Back

process of rock formation, breakdown, and reformation

Front

Types of rocks

Back

sedimentary, metamorphic

Front

Renewable resources

Back

that can be replaced naturally, like solar and wind

Front

Day and night cause

Back

rotation on its axis

Front

Angle of Sun and seasons

Back

axis changes Sun’s angle, causing seasons