31 Questions
Why are oceans salty?
As a result of rivers carrying salts and minerals from land to the oceans
What is the primary source of energy for the water cycle?
The sun
How can a water supply be extended?
By recycling or using less water
What is the function of an aquifer?
To allow the flow of groundwater through layers of rock and soil
Which type of precipitation results from ice crystals melting when falling through warmer air?
Rain
Where does most of California get its water from?
Northern Coastal Region
What type of clouds are thin, white, and wispy at high altitudes?
Cirrus clouds
How does freezing rain form?
Rain forms as ice crystals in cold clouds, melts while falling, then refreezes before hitting the ground.
Why do people in California need to conserve water?
To maintain sufficient water supply during droughts
Which of the following is NOT mentioned as a way to conserve freshwater?
Collecting and using rainwater
What type of clouds are low-altitude, dark, and block most sunlight?
Stratus clouds
What is the main reason that oceans become salty?
Runoff of salty water from land
Which of the following is NOT a way that freshwater is used on Earth?
Generating electricity
What is the primary source of energy that drives the water cycle?
The sun
Which of the following is NOT one of the steps in the water cycle?
Infiltration
What is the function of an aquifer?
All of the above
Which type of precipitation results from ice crystals falling through cold air and partially melting?
Sleet
What is the primary mechanism by which clouds form?
Water vapor condensation
Which of the following types of clouds is associated with thunderstorms?
Thunderheads clouds
What is the sequence of events that leads to the formation of freezing rain?
Freezing, melting, refreezing
Which of the following is NOT mentioned as a way to conserve freshwater in the text?
Collecting rainwater
Why do people in California need to conserve water?
California has experienced droughts
How do oceans become salty?
Through the dissolution of salts and minerals carried by rain from land
What is the primary form of precipitation that results from ice crystals falling through cold air and partially melting?
Sleet
Why is freshwater important to the Earth?
For drinking, cooking, cleaning, growing crops, and making electricity
What provides the energy required for the water cycle?
The sun
What is an aquifer according to the text?
The layer of rock and soil where groundwater flows through
How can a water supply be expanded or prolonged according to the text?
By conserving water and recycling
What type of crystals melt as they fall through warmer air?
Ice crystals in rain
What type of clouds are likely to cause thunderstorms?
Thunderheads Clouds
When do freezing raindrops melt according to the text?
When falling down
Test your knowledge about Earth's water distribution, the process of oceans becoming salty, the importance of freshwater, and the energy source for the water cycle. Also, learn about ways to extend a water supply and the steps of the water cycle.
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