Water on Earth's Surface

What is true of the water cycle?

• It begins when the Sun evaporates water form oceans, rivers, and lakes
• It begins when ground water flows into oceans
• it ends when water falls from clouds to Earth's surface
• it has no beginning or end

The __________ is the continuous movement of water on, above, and below Earth's surface

• water cycle
• hydro cycle
• the circle of life
• spin cycle

Liquid water beneath Earth's surface is called ground water.

• True
• False

In the water cycle, ________ moves underground towards the ocean

• ground water
• under current
• condensation
• rivers

Which is not a type of precipitation?

• rain
• snow
• erosion
• sleet

a student is drawing a model that shows the role of surface runoff in the water cycle. This picture shows the beginning of her model.

• by drawing an arrow from the clouds back to the lake
• by adding in a under ground cave and drawing an arrow from the lake to the underground cave
• by drawing one arrow from the clouds to the mountains and another arrow from the mountains towards the lake
• by adding in soil and plants and drawing an arrow from the lake to the soil and another from soil to the plants

The downhill flow of water on land is propelled by ___________

• the Sun
• gravity
• the rotation of Earth on its axis
• condensation

One of the most important task for a water keeper is __________

• water quality monitoring
• water quality activism
• situational awareness
• Secchi disk

Which of the following is not something that waterkeeper test?

• water temperature
• oxygen content
• pollutants
• number of certain animal species in the area

What is a tool that water keeper use to measure turbidly, or how clear the water is?

• Secchi disk
• Burette
• Multiparameter
• Colorimeters