Unit 5 Earth Science Exam

1. What percent of all the water on Earth is found in the oceans?

• 97%

• 90%

• 3%

• 5%

1. The water that is found on and in the Earth’s crust is known as the?

• Hydrosphere

• Metasphere

• Cryosphere

• Lithosphere

1. Smaller streams that feed into a river system are called

• Gullies

• Ridges

• Runoff

• Tributaries

What is the end of a stream called?

• Headwaters

• Mouth

• Tributary

• Gully

What can contribute to the eutrophication of a body of water?

• Excess Sulfur

• Nitrogen Runoff from a farm

• Stormwater runoff containing detergents

1. Which type of wetland is often home to carnivorous plants (such as Pitcher Plants and Venus Flytraps) due to the acidity of the soil?

• Estuary

• Swamp

• Bog

• Marsh

Which river in North America, has the largest watershed?

• Amazon

• Mississippi

• Columbia

• Missouri

A place where groundwater naturally discharges, where an aquiclude is located at the surface of the Earth?

• Spring

• Delta

• Headwater

• Oxbow Lake

The largest contributor to water pollution is?

• Saltwater Intrusion

• Desalinisation

• Pollution Runoff

• Burning Fossil Fuels

Which of the following is an important nursery for saltwater juvenile fish, crabs and shrimp?

• Swamp

• Bog

• River Basin

• Estuary