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End-of-unit evaluation - Matter and materials
EduBook Organización
- 2318 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
- 2306 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
- 2224 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 1.4 - Matter and Materials
EduBook Organización
- 2149 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
- 2129 visitas
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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Final self-evaluation 1.2 - Matter and Materials
EduBook Organización
- 2129 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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Investigate. Matter: atoms, molecules and crystals
EduBook Organización
- 2081 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
- 2060 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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Unit 2: Matter: Mass, Volume and Density
EduBook Organización
- 2033 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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Write chemical equations. Matter and its properties
EduBook Organización
- 2040 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. [...]