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End-of-unit evaluation - Matter and materials
EduBook Organización
- 2446 visitas
Everything around us is made up of matter. Matter can be found in three states: solid, liquid and gas. The air we breathe is a gas, the water in rivers and seas is a liquid, and the rocks are in a solid…
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Look. The composition of living matter
EduBook Organización
- 2376 visitas
The following graph shows the proportion of some chemical elements in living things and in the Earth's crust: What are the three most abundant elements in living things? What are the three most…
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Calculate. Matter and its properties (2)
EduBook Organización
- 2305 visitas
Calculate the mass of water produced when 20 g of hydrogen reacts completely with 160 g of oxygen. g of water.
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Final self-evaluation 1.2 - Matter and Materials
EduBook Organización
- 2272 visitas
Are the following sentences true or false? Solids cannot be compressed. Gases can be compressed. The forces that hold particles together in liquids are stronger than those in solids. Solids have a…
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Final self-evaluation 1.4 - Matter and Materials
EduBook Organización
- 2276 visitas
Complete the sentences with the missing words: Changes of state happen through the intervention of . The change from solid to liquid happens when a substance is . The change from liquid to solid happens…
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The states of matter and their properties
EduBook Organización
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1.1. Matter All things in nature are made of matter. Matter is anything that occupies space and can be weighed. Matter is made of different substances with different properties. 1.2. States of matter…
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Investigate. Matter: atoms, molecules and crystals
EduBook Organización
- 2172 visitas
The LHC (Large Hadron Collider) is the world's biggest particle accelerator. It is on the border between Switzerland and France and is 100 m underground. This is an interactive game which explains…
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Materials and their properties - Matter and materials
EduBook Organización
- 2137 visitas
What are materials? Materials are the different types of matter that objects are made from. Some materials, like wood, cotton and wool, are found in nature. They are called natural materials. We use…
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Write chemical equations. Matter and its properties
EduBook Organización
- 2143 visitas
In order to write the chemical formula for a chemical reaction correctly, we have to write the formulas of the reagents, followed by an arrow and the formulas of the products. [...]
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Unit 2: Matter: Mass, Volume and Density
EduBook Organización
- 2096 visitas
Capacity (n): the volume a container can hold. concave meniscus (n): the downward curvature of a liquid at its surface. convex meniscus (n): the upward curvature of a liquid at its surface. cubic metre…
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