Science Study Guide Review Semester 1

Front

What are the four Earth's systems?

Back

Biosphere, geosphere, atmosphere, hydrosphere

Front

What is another word for outer planets?

Back

Gas giants

Front

What is an equinox?

Back

When day and night are approximately equal in length

Front

What month is Earth closest to the Sun?

Back

January

Front

What is another word for inner planets?

Back

Terrestrial planets

Front

What is the biosphere?

Back

The part of Earth where life exists, including land, water, and the atmosphere.

Front

What is the geosphere?

Back

The solid part of Earth, including rocks, soil, and landforms.

Front

What is the atmosphere?

Back

The layer of gases surrounding Earth, essential for life.

Front

What is the hydrosphere?

Back

All the water on Earth, including oceans, rivers, lakes, and groundwater.

Front

What are terrestrial planets?

Back

Planets that are rocky and solid, including Mercury, Venus, Earth, and Mars.