Science 8 Quiz #2 (2nd Quarter)

What generates seismic waves?

• Volcanoes
• Windstorms
• Earthquakes, explosions, or similar energetic sources
• Tsunamis

What tool is used to record the amplitude and frequency of seismic waves?

• Thermometer
• Seismograph
• Barometer
• Hygrometer

How do seismic waves help scientists study the Earth's interior?

• By observing the Earth's surface
• By analyzing the speed and direction of the waves as they travel through the Earth
• By drilling into the Earth
• By measuring air pressure

What are the two main types of seismic waves?

• Electromagnetic and mechanical waves
• Body waves and surface waves
• Light waves and sound waves
• Radio waves and microwaves

Where do body waves travel?

• Through the Earth's surface
• Only in water
• Through the interior of the Earth
• Only in the atmosphere

What are the two types of body waves?

• Surface waves and light waves
• Primary waves (P-waves) and secondary waves (S-waves)
• Electromagnetic waves and light waves
• Love waves and Rayleigh waves

What type of wave can travel through both solid and liquid materials?

• S-waves
• Rayleigh waves
• Love waves
• P-waves

Which type of wave can only propagate through solid materials?

• P-waves
• S-waves
• Surface waves
• Love waves

What part of the Earth's structure is composed of the crust and the upper mantle, where seismic waves travel fast?

• Asthenosphere
• Core
• Lithosphere
• Mantle

What is the name of the region of the mantle where seismic waves slow down due to molten material?

• Lithosphere
• Asthenosphere
• Inner core
• Outer core