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Answer. States of matter and their properties 1.4
EduBook Organización
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Explain why the three states of matter have different properties.
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Final self-evaluation 1.8 - Matter and Materials
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- 1621 visitas
Match each technique for separating components with a mixture: Chromatography Decanting Distillation Filtration Magnetic separation
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True or false. Measurement
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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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Calculating volume and mass
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- 1624 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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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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Match. Weather terms
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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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Reflect. Water 4
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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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The water cycle in nature
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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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Final evaluation 9 - The Earth, a Living Planet
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Put the following components of the organisation of living things into the correct order: biosphere – cell – comunity – organism – organ – population – system – tissue