Down to Earth

Contains solid inner metal core, liquid outer core, and rocky mantle and crust.

• Hydrosphere

• Geosphere

• Biosphere

• Atmosphere

Use the diagram below to answer the following question. The diagram above is an example of which the following natural processes?

• erosion

• deposition

• physical weathering

• chemical weathering

Tags

NGSS.MS-ESS2-2

Alexa was asked to create a model that will demonstrate erosion. Below are her procedures and a diagram of her model. Which option explains why Alexa chose to raise one end of the pan?

• to model how erosion is used to form rivers

• to make the demonstration visible to others

• to show that erosion breaks down mountains

• to represent how gravity contributes to the movement of soil

Tags

NGSS.MS-PS2-4

Which layer of the Earth is primarily responsible for its magnetic field?

• Crust

• Mantle

• Outer Core

• Inner Core

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

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

Which process is responsible for the movement of tectonic plates?

• Convection currents in the mantle

• Gravitational pull of the moon

• Solar radiation

• Earth's rotation

Tags

NGSS.MS-ESS2-3

What is the term for the point on the Earth's surface directly above an earthquake's focus?

• Epicenter

• Hypocenter

• Seismic point

• Fault line

Tags

NGSS.MS-ESS3-2

Which type of rock is formed from the cooling and solidification of magma or lava?

• Sedimentary

• Metamorphic

• Igneous

• Basalt

What is the primary cause of ocean tides on Earth?

• Wind patterns

• Earth's rotation

• Gravitational pull of the moon

• Sun's radiation

Tags

NGSS.MS-PS2-4

Which gas is most abundant in the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen