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Answer. States of matter and their properties 1.4
EduBook Organización
- 1642 visitas
Explain why the three states of matter have different properties.
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True or false. Measurement
EduBook Organización
- 1641 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
- 1646 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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Which bodies float on water?
EduBook Organización
- 1648 visitas
Cork is a material that floats on water. Other substances, such as stones, sink. This phenomenon is related to the different densities of the materials. If the density of an object is less than the…
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Calculating volume and mass
EduBook Organización
- 1641 visitas
A block of granite is 30 cm high, 40 cm wide and 50 cm in length. The granite density is 2.6 g/cm3. What is the mass of the granite expressed in kilograms? To solve the problem, we do the following…
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Match. Weather terms
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- 1646 visitas
Match each word or phrase with the correct characteristics or factor: wind hot air clouds cirrus and cumulus troposphere and stratosphere car and plane engines barometer hurricane atmospheric pressure…
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Answer. The greenhouse effect 1
EduBook Organización
- 1640 visitas
What is the natural greenhouse effect?
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Reflect. Water 4
EduBook Organización
- 1660 visitas
What happens if you put a piece of ice in a glass of water and then you try to push it to the bottom of the glass? Why?
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Did you know?
EduBook Organización
- 1642 visitas
Hydrocarbons, such as petroleum and its derivates, are the simplest type of organic molecules. They are made up of carbon and hydrogen atoms and come from the remains of organisms that died millions of…
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Final evaluation 9 - The Earth, a Living Planet
EduBook Organización
- 1653 visitas
Put the following components of the organisation of living things into the correct order: biosphere – cell – comunity – organism – organ – population – system – tissue