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The Deterioration of water: a global problem
EduBook Organización
- 1848 visitas
The overexploitation of rivers and aquifers causes major changes to ecosystems, serious conflicts between states and health problems for the population. Some examples are: In the Bay of Bengal,…
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Answer. Water on our planet 1
EduBook Organización
- 1829 visitas
Why do we call the Earth the blue planet?
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Science Please! / The force of water
Xtec Organización
- 1758 visitas
If you have ever had a bath, you will know that a body immersed in water displaces... a certain amount of water. This was discovered by Archimedes, a learned gentleman of ancient Greece. Eureka! But why…
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What do you know about virtual water?
Tiching explorer Organización
- 1 lo usan
- 1476 visitas
Set of 7 questions designed to check our knowledge about virtual water (the water we didn't know we were using). It includes self-evaluation.
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Answer. Water on our planet 6
EduBook Organización
- 1557 visitas
What is the percentage of fresh water on the planet?
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Reflect. The Earth's water 3
EduBook Organización
- 1 lo usan
- 1371 visitas
How do living things return water to the atmosphere?
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Describe. Specific heat capacity of water
EduBook Organización
- 1543 visitas
Explain the step-by-step process you must follow to demonstrate the difference between the specific heat capacity of water and sand. Write a short and well-ordered text. You have the following…
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Reflect. The Earth's water 2
EduBook Organización
- 1521 visitas
When water from the sea reaches the clouds is it fresh or salty? Why?
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Complete. The anomalous expansion of water
EduBook Organización
- 1471 visitas
Complete the text on the anomalous expansion of water: density – increase – expands – freezes – water– float – volume Almost all substances in size when they get hot and when they cool.…
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Learn. Observe how water causes erosion
EduBook Organización
- 1281 visitas
What do we need? Two rectangular wooden or plastic boxes with a 1 or 2 cm hole in one of the ends of the box Grass seeds Watering can Garden soil Plastic sheeting Two rubber tubes, 1 or 2 cm in diameter…