The Hydrosphere (Grade 10 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What percentage of Earth's surface is covered by water?
What percentage of Earth's surface is covered by water?
71%
What percentage of Earth's water is saltwater?
What percentage of Earth's water is saltwater?
97%
How much of Earth's water is freshwater available for human use?
How much of Earth's water is freshwater available for human use?
Less than 1%
What percentage of Earth's water exists as ice?
What percentage of Earth's water exists as ice?
2.2%
Approximately what percentage of every living cell is water?
Approximately what percentage of every living cell is water?
75%
Which of these is NOT a component of the hydrosphere?
Which of these is NOT a component of the hydrosphere?
Soil particles
In the lithosphere, water acts as an important what?
In the lithosphere, water acts as an important what?
Weathering agent
What is the process where water evaporates from leaf surfaces back into the air?
What is the process where water evaporates from leaf surfaces back into the air?
Transpiration
Which property of water helps regulate Earth's temperature by preventing extreme changes?
Which property of water helps regulate Earth's temperature by preventing extreme changes?
High specific heat
Which parameter is NOT typically measured when scientists investigate water quality?
Which parameter is NOT typically measured when scientists investigate water quality?
Rock hardness