1.2 Earth's Interior

Geologists use 2 types of evidence to learn about the Earth's interior.

• rock samples and oceans

• rock samples and seismic waves

• oxygen and seismic waves

• rock samples and granite

How do geologists get evidence from rock samples? (choose 2 responses)

• volcanoes blast rocks

• ocean waves bring rocks to shore

• drilling holes in the earth

When earthquakes occur, geologists use

Tags

NGSS.HS-ESS1-5

The ________________and _____________________of the waves give clues about the structure of the planet.

• temperature

• speed

• height

• path

Tags

NGSS.MS-ESS2-3

The 3 layers of the earth are _______, _______________ and ____________.

The deeper down inside the Earth, the greater the

• oxygen

• granite

• basalt

• presssure

The temperature inside Earth increases as the depth___________.

Which layer of the earth includes dry land and the ocean floor?

• Crust

• Mantle

• Core

Which layer of the earth makes up 84% of Earth's volume and is made of hot rock?

• Crust

• Mantle

• Core

Which layer of the Earth is made of the metals iron and nickel?

• Crust

• Mantle

• Core