Week 6 Earth Science

Approximately _____ of Earth's surface is covered in water.

• 1/4

• 2/4

• 3/4

• 1/3

The discovery of water on a planet is an important discovery because of which of the following reasons?

• the discovery of water indicates that life on the planet might be possible

• the discovery of water means that humans can live on that planet

• the discovery of water means that we could travel to that planet

• the discovery of water means that life on the planet is possible

Which of the following is not an important role that water plays on Earth?

• Water on other planets might mean life can exist there

• Water can alter the surface of the Earth

• All plants and animals require water

• Water affects weather and climate

What is a wildlife sanctuary?

• a habitat for animals

• a place where animals go to be fed

• a zoo

• a place set aside for wildlife

Which of the following would not be an example of a sanctuary?

• the Everglades, a nationally protected ecosystem

• Gray's reef

• a protected rainforest

• a family beach

Why might a diver call the rocky bottom of the reef a "carpet of living creatures?"

• There are soft creatures that feel like a plush rug

• There is a large amount of wildlife living along the rocky bottom

• All of the rocks look like a small animal

• There is a covering of seaweed that feels like a carpet

Where is most of Earth's water found?

• in fresh water areas such as rivers and lakes

• in the oceans

• in the polar ice caps

• in the atmosphere as water vapor

Which of the following is not true about the water below the Earth?

• The type of water is typically dirty water

• There is more water underground than on Earth's surface

• This water is called ground water

• This water is purified by the layers of rock and sand

What is the process called in which plants give off water vapor?

• condensation

• evaporation

• precipitation

• transpiration

What is it called when water travels slowly through Earth's soil and rock?

• evaopration

• condestion

• precipitation

• percolation