Earth Structure

What are the five Earth systems ("spheres")?

• water, land, rock, air, and ice
• Hydrosphere, Biosphere, Cryosphere, Geosphere, and Atomosphere
• Lithosphere, Magnetosphere, Asthenosphere, Geosphere, and Atmosphere
• Gravity, Denisity, Topography, Relief, and Sphere

Which Earth system refers to all living things on earth?

• Hydrosphere
• Cryosphere
• Biosphere
• Geosphere

Which Earth system refers to Earth's solid body?

• Landforms
• Cryosphere
• Biosphere
• Geosphere

Which Earth system refers to Earth's liquid water?

• Hydrosphere
• Cryosphere
• Biosphere
• Atomosphere

What part of Earth's systems are Oxygen and Nitrogen?

• Atmosphere
• Biosphere
• Hydrosphere
• Geosphere

What two main factors did scientists claim affect Earth's formation?

• Rock explosion and collision
• Mass and Volume
• Gravity and Density
• Magic and chance

What affects the strength of gravity between two objects?

• The density of the objects
• The mass of the objects
• The distance between the objects
• Both the mass and the distance between the objects

What does the magnetosphere protect Earth from?

• asteroids
• cosmic rays
• global warming
• sun spots

What piece of evidence helps scientist understand Earth's layers?

• Seismic waves
• Volcanic eruptions/rocks
• Magnetic field
• all of these answers are correct

Which is NOT a layer of Earth?

• Crust
• Magnetosphere
• Lithosphere
• Mantle