8.1 The Importance of Water

Front

Why is water essential to life on Earth?

Back

Water is essential to life on Earth because plants and animals depend on it to survive, and humans need access to fresh, clean water for their wellbeing.

Front

What role do plants play in the food chain?

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Plants are at the bottom of the Earth's food chains, providing energy to all life forms through photosynthesis.

Front

How do plants produce energy?

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Plants produce energy through photosynthesis, which combines sunlight, water, and carbon dioxide to produce sugar (glucose).

Front

What would happen without photosynthesis?

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Without photosynthesis, plants wouldn't have energy, and the animals that eat them wouldn't live or grow.

Front

How much water does the human body need daily?

Back

The human body needs between 1-7 liters of water a day, depending on physical activity and climate.

Front

What is the main role of water in the human body?

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The main role of water in the body is to remove waste, aid digestion, lubricate joints, and help maintain body temperature.

Front

List some values of water.

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Water is valued for its essential role in life and wellbeing, aesthetic appeal, spiritual significance, recreational use, and economic importance.

Front

How is water valued aesthetically?

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Water is valued aesthetically for its beauty, such as beachfront properties being highly priced.

Front

What is the spiritual significance of water in various religions?

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Water is valued for its cleansing nature in many religions, such as Baptism in Christianity and cleansing rituals in Hinduism, Islam, and Judaism.

Front

Name some recreational activities involving water.

Back

Popular water-based recreational activities include boating, water skiing, swimming, fishing, surfing, and diving.