The Earth

Front

What percentage of the Earth's surface is covered in water?

Back

About 70% of the Earth's surface is covered in water.

Tags

NGSS.MS-ESS2-4

Front

Of the four terrestrial planets, Earth is the _____

Back

Earth is the largest terrestrial planet.

Front

Which atmospheric molecule traps infrared light, leading to the greenhouse effect?

Back

Carbon dioxide traps infrared light, contributing to the greenhouse effect.

Tags

NGSS.HS-ESS2-6

Front

The atmosphere exerts a pressure on the surface of the Earth of about _____

Back

The atmosphere exerts a pressure of about a kilogram per square centimeter on the Earth's surface.

Front

The outer core is mostly iron and nickel, but it’s _____

Back

The outer core is liquid.

Front

What is the primary component of the Earth's atmosphere?

Back

The primary component of the Earth's atmosphere is nitrogen, making up about 78%.

Front

What layer of the Earth is solid and composed mainly of silicate rocks?

Back

The Earth's crust is solid and composed mainly of silicate rocks.

Front

What is the process by which water vapor turns into liquid water?

Back

The process is called condensation.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

What is the term for the movement of tectonic plates?

Back

The movement of tectonic plates is called plate tectonics.

Tags

NGSS.MS-ESS2-3

Front

What is the Earth's inner core primarily made of?

Back

The Earth's inner core is primarily made of solid iron and nickel.

Tags

NGSS.MS-PS1-1