6.3 Earth's Interior

What evidence do scientists use to study to interior of the Earth?

• Seismic Waves
• Ultrasound Waves
• UV Waves
• Gamma Waves

What do we call a change of direction in a seismic wave?

• Refraction
• Reflection
• Tonicity
• Aleration

What is the cause of refraction?

• Change in weight
• Change in energy
• Change in density
• Change in Mass

A change in density between to layers is called a ___________.

• Shadow Zone
• Discontinuity
• Composition
• Layer

No seismic waves are recorded in the ______________.

• Epicenter
• Core
• Discontinuity
• Shadow Zone

Which type of wave can travel through the outer core?

• P-Wave
• S-Wave

Tags

NGSS.HS-PS4-1

In General, Earth's layer's  ________ as you increase depth.

• become more dense
• become less dense
• change to a liquid
• decrease in pressure

What are Earth's layers based on?

• Their Structure
• Their Composition
• Their Temperature
• Their Mass

What is the lithosphere made of?

• Earth's upper Crust
• Lower mantle and asthenosphere
• Crust and upper mantle
• Inner and outer core

What part of the earth's interior is weaker which the plates float on?

• Mantle
• Asthenosphere
• Crust
• Core