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EduBook Organización
- 1420 visitas
Boiling and evaporation are different processes. Both change a liquid to a gas, but happen in different ways. Water boils at 100°C. During boiling, the total volume of liquid water is changing to water…
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Answer the questions
EduBook Organización
- 7596 visitas
Answer the questions: Look at the photos. What can you see in each photo? Where can you find water near where you live? What do you use water for?
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Check what I know
EduBook Organización
- 6295 visitas
Plants need food to grow and survive. → Water travels from the leaves to the roots. → Plants make their food at night. → Plants make their food in the leaves. → Plants produce oxygen. → Raw…
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Choose. Matter: atoms, molecules and crystals
EduBook Organización
- 4108 visitas
Choose the correct answer: What is the difference between a sulphar molecule and a water molecule? In a glass of water, what is the proportion of hydrogen atoms to oxygen atoms? Describe the structure…
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Match and copy the correct sentence halves
EduBook Organización
- 4087 visitas
Match and copy the correct sentence halves: There are five Oceans are bigger Most of the Earth's water is We can find fresh water All living things
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Journey to the bottom of the sea
Tiching explorer Organización
- 1 lo usan
- 5510 visitas
In this activity we find out about the things, or properties, that make ocean creatures water special (what makes them breathe, eat, communicate and move in water). We read the descriptions and match…
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Complete the sentences. Use the words below
EduBook Organización
- 3457 visitas
Complete the sentences. Use the words below: food - water - wheat - irrigated Arable farming produces . Dry crops need a small amount of . is a dry crop. crops need a lot of water.
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Calculate. The transpiration of a tree
EduBook Organización
- 2703 visitas
A tree has 150000 leaves, due to transpiration eeach leaf loses 1 mL of water an hour in one day during a hot summer. ¿How many litres of water are lost in one day with 13 hours of light?
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Game: Catchment Detox
Tiching explorer Organización
- 1 lo usan
- 2845 visitas
This resource is an educational game in which we have to manage a catchment area, protect the environment, develop the agricultural resources and balance this against conserving water and water quality.
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True/false. Sponges
EduBook Organización
- 2105 visitas
Decide if the following statements are true or false: Sponges are the simplest type of animal that exists. Sponges can live in the water and on land. Sponges are usually regular in shape. They eat…