Podcast
Questions and Answers
Which of the following best explains why water is considered essential for life on Earth?
Which of the following best explains why water is considered essential for life on Earth?
- It is a key component in various life processes and used for multiple purposes. (correct)
- It is only used for creating energy and putting out fires.
- It is only found on 70% of the Earth's surface.
- It is only used for drinking and cooking.
The chemical formula H2O indicates that a water molecule consists of one hydrogen atom and two oxygen atoms.
The chemical formula H2O indicates that a water molecule consists of one hydrogen atom and two oxygen atoms.
False (B)
Name the three states in which water exists on Earth.
Name the three states in which water exists on Earth.
Liquid, solid, and gas
Ocean water is considered ______ water and is not safe to drink unless it undergoes desalination.
Ocean water is considered ______ water and is not safe to drink unless it undergoes desalination.
What percentage of the water on Earth is estimated to be fresh water?
What percentage of the water on Earth is estimated to be fresh water?
Water conservation is unnecessary since Earth is mostly covered in water.
Water conservation is unnecessary since Earth is mostly covered in water.
Give two examples of how individuals can conserve water in their daily lives.
Give two examples of how individuals can conserve water in their daily lives.
Which of the following is a source of fresh water?
Which of the following is a source of fresh water?
Rain and snow that seep into the soil and are stored between rock particles form ______.
Rain and snow that seep into the soil and are stored between rock particles form ______.
Match each state of water with its description:
Match each state of water with its description:
Flashcards
Why is water important?
Why is water important?
Essential for life; used for drinking, washing, cooling, cooking, growing plants, creating energy.
What is H2O?
What is H2O?
Water's chemical formula; indicates two hydrogen atoms and one oxygen atom per molecule.
What are the 3 states of water?
What are the 3 states of water?
Liquid, solid (ice), and gas (water vapor).
What are water sources on Earth?
What are water sources on Earth?
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Salt water vs. Fresh water?
Salt water vs. Fresh water?
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What is groundwater?
What is groundwater?
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How to conserve water?
How to conserve water?
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Why is water conservation essential?
Why is water conservation essential?
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