Earth's Systems Quiz #1

The air that surrounds Earth makes up the:

• biosphere
• atmosphere
• hydrosphere
• geosphere

The hydrosphere includes water found:

• in lakes, rivers and streams
• frozen at the polar ice caps
• as vapor in the atmosphere
• All of the above
• Only in A and B

What is the geosphere?

• All the rocks and minerals on and within Earth
• All of the continents on Earth
• All the soil and water mixed together on Earth
• All of the above

What is the only sphere that contains solid, liquid and gas?

• The geosphere
• The atmosphere
• The hydrosphere
• The biosphere

Which layer of Earth is made of hydrogen and oxygen in a 2:1 ratio?

• The crust
• The hydrosphere
• The troposphere
• All of the above

What is the most diverse marine habitat?

• Coral Reefs
• Tide Pools
• Deep Ocean
• Great Lakes

What is percent abundance?

• The mass of a substance found on Earth
• The amount of a substance found on Earth that is made up of water
• The relative amount of a substance found on Earth compared to other substances
• How much extra substance there is on Earth compared to what humans use

Which layer of Earth is hot, solid, and metallic?

• Inner Core
• Outer Core
• Crust
• Mantle

Earth’s core is made of:

• Silicate rocks and minerals
• Iron and Nickel
• Nickel and Steel
• Iron and Granite

Continental crust is mostly made of:

• Granite
• Iron
• Basalt
• Silicate Soils