Earth Layers and Spheres

Which of the following statements is supported by the picture?

• Three-fourths of the Earth's surface is covered by a thin layer of water.

• The Earth is orbited by one moon.

• The Earth is made mostly of rock.

• The Earth has a magnetic field that can be detected with a compass.

Tags

NGSS.MS-ESS2-4

Which of the following is the densest layer of the solid Earth?

• core
• atmosphere
• crust
• mantle

Amy built a model of the Earth's layers out of different colors of clay. What is a limitation of Amy's model in showing the structure of the Earth?

• The model can not show that the Earth's outer core is liquid.
• he model can not show that the crust is the outer layer of the Earth.
• The model can not show that the Earth's inner core is solid.
• The model can not show that the inner core is in the center of the Earth.

The thin layer of air that surrounds the Earth is known as the _______.

• atmosphere
• cloud cover
• hydrosphere
• gas layer

Which of Earth's layers is shown by the letter Y in the image?

• mantle

• outer core

• crust

• inner core

Which one of the Earth's layers is the thinnest?

• crust
• mantle
• outer core
• inner core

Which process is most responsible for creating the Earth's magnetic field?

• the rotational motion of the Earth and its iron core
• the impact of charged particles from the Sun
• the motion of the Moon as it revolves around the Earth
• the movement of the Earth through space

Earth's core is made mostly of ________.

• iron and nickel.
• iron and magnesium.
• silicon and oxygen.
• silicon and magnesium.

The Earth is made mostly of _______.

• rock
• air
• soil
• water

This model is made of wood. The artists wanted to show the structure and relationship of the Earth's layers. How is the model limited from showing this?

• The crust of the model cannot move over the mantle.

• The crust of the model has different features from the mantle.

• The layers of the model do not have the same thickness.

• The inner core of the model does not touch the Earth's surface.

Tags

NGSS.MS-ESS2-1