Earth and Its Structure

Earth is the fifth largest planet in our solar system.

• True

• False

Fill in the blank: Earth has multiple ________, with each having distinct characteristic features.

• layers

• moons

• oceans

• continents

If we could slice the planet to half, we would see it is composed of multiple layers, arranged one above the other.

• True

• False

Tags

NGSS.MS-ESS2-1

What caused the Earth to develop layers as it cooled?

• The movement of tectonic plates

• The process of differentiation with heavy elements sinking and lighter ones rising

• The impact of meteorites

• The presence of water

How did scientists discover the different layers of the Earth according to the passage?

• By digging deep holes

• By studying fossils

• By studying seismic waves generated by earthquakes and explosions

• By observing volcanoes

Fill in the blank: The earth’s internal structure is made up of three major layers: the crust, the mantle, and the _____?

• core

• ocean

• atmosphere

• biosphere

Tags

NGSS.MS-ESS2-1

Which of the following is NOT one of the earth's major internal layers?

• A) Crust

• B) Mantle

• C) Core

• D) Atmosphere

Name one of the three major layers of the earth’s internal structure.

• crust, mantle, or core

• ocean, river, or lake

• atmosphere, biosphere, or hydrosphere

• continent, island, or peninsula

• valley, mountain, or plateau

Fill in the blank: The first layer of the Earth, starting from the top, is the _______.

• Crust

• Mantle

• Core

• Inner core

Fill in the blank: The fourth layer of the Earth, starting from the top, is the _______.

• Outer Core

• Crust

• Mantle

• Inner Core