Podcast
Questions and Answers
Why are oceans salty?
Why are oceans salty?
- As a result of rivers carrying salts and minerals from land to the oceans (correct)
- From underground aquifers releasing salty water into the oceans
- Because the sun evaporates saltwater leaving salt behind in the oceans
- Due to excessive rainfall dissolving minerals from soil and rocks into the oceans
What is the primary source of energy for the water cycle?
What is the primary source of energy for the water cycle?
- Geothermal heat
- The sun (correct)
- Wind
- Ocean currents
How can a water supply be extended?
How can a water supply be extended?
- By building more dams
- By recycling or using less water (correct)
- By increasing desalination plants
- By redirecting rivers to areas in need
What is the function of an aquifer?
What is the function of an aquifer?
Which type of precipitation results from ice crystals melting when falling through warmer air?
Which type of precipitation results from ice crystals melting when falling through warmer air?
Where does most of California get its water from?
Where does most of California get its water from?
What type of clouds are thin, white, and wispy at high altitudes?
What type of clouds are thin, white, and wispy at high altitudes?
How does freezing rain form?
How does freezing rain form?
Why do people in California need to conserve water?
Why do people in California need to conserve water?
Which of the following is NOT mentioned as a way to conserve freshwater?
Which of the following is NOT mentioned as a way to conserve freshwater?
What type of clouds are low-altitude, dark, and block most sunlight?
What type of clouds are low-altitude, dark, and block most sunlight?
What is the main reason that oceans become salty?
What is the main reason that oceans become salty?
Which of the following is NOT a way that freshwater is used on Earth?
Which of the following is NOT a way that freshwater is used on Earth?
What is the primary source of energy that drives the water cycle?
What is the primary source of energy that drives the water cycle?
Which of the following is NOT one of the steps in the water cycle?
Which of the following is NOT one of the steps in the water cycle?
What is the function of an aquifer?
What is the function of an aquifer?
Which type of precipitation results from ice crystals falling through cold air and partially melting?
Which type of precipitation results from ice crystals falling through cold air and partially melting?
What is the primary mechanism by which clouds form?
What is the primary mechanism by which clouds form?
Which of the following types of clouds is associated with thunderstorms?
Which of the following types of clouds is associated with thunderstorms?
What is the sequence of events that leads to the formation of freezing rain?
What is the sequence of events that leads to the formation of freezing rain?
Which of the following is NOT mentioned as a way to conserve freshwater in the text?
Which of the following is NOT mentioned as a way to conserve freshwater in the text?
Why do people in California need to conserve water?
Why do people in California need to conserve water?
How do oceans become salty?
How do oceans become salty?
What is the primary form of precipitation that results from ice crystals falling through cold air and partially melting?
What is the primary form of precipitation that results from ice crystals falling through cold air and partially melting?
Why is freshwater important to the Earth?
Why is freshwater important to the Earth?
What provides the energy required for the water cycle?
What provides the energy required for the water cycle?
What is an aquifer according to the text?
What is an aquifer according to the text?
How can a water supply be expanded or prolonged according to the text?
How can a water supply be expanded or prolonged according to the text?
What type of crystals melt as they fall through warmer air?
What type of crystals melt as they fall through warmer air?
What type of clouds are likely to cause thunderstorms?
What type of clouds are likely to cause thunderstorms?
When do freezing raindrops melt according to the text?
When do freezing raindrops melt according to the text?
