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Water vaporisation and evaporation
EduBook Organización
- 1681 visitas
Vaporisation, or boiling, only occurs at the boiling point (100°C). The whole volume of water that is boiling vaporises. Evaporation occurs when only the particles on the surface of the liquid change…
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Answer. Changes of state 03
EduBook Organización
- 1680 visitas
What temperature is the water in a glass containing water and ice?
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Answer. Matter: volume, mass and density 2.1
EduBook Organización
- 1677 visitas
Look at this image of an iceberg. Why does it float in the water?
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True or false. Measurement
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- 1681 visitas
Are the following sentences true or false? Volume is an example of magnitude. To measure a magnitude, we compare it with another magnitude. To measure something we have to establish the magnitude of an…
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Calculate. Length and surface area
EduBook Organización
- 1683 visitas
Convert these amounts: 1 mm = dm 1 km = cm 1 m2 = mm2 1 cm2 = mm2 1 dam2 = mm2 1 dam = cm
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Calculate. Calculating volume 4.1
EduBook Organización
- 1685 visitas
How would you use a tape measure to calculate the capacity of a cylindrical container?
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About our planet
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2.1. The earth's layers The Earth is a rocky, almost spherical planet. Its radius is 6373 kilometres. There is a lot of activity inside the Earth. This activity is evident in the crust in the form…
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The water cycle in nature
EduBook Organización
- 1 lo usan
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The water cycle is a closed cycle that has several stages (as seen in the diagram). Here we will start with the water evaporation stage. Why would this cycle not occur without the Sun? Where does the…
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Unit 10: The Plant Kingdom
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Aerobic organism (n): an organism which requires oxygen to live. angiosperm (n): a plant which produces seeds that are protected by a fruit. bract (n): a hard, specialised leaf that is associated with…