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Matter and materials
EduBook Organización
- 7613 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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Investigate - Plant nutrition
EduBook Organización
- 6282 visitas
All living things need to carry out their vital functions. To do this, they need food and energy. Unlike animals, plants make their own food. They need very simple substances like water and mineral…
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Remember - Plant nutrition
EduBook Organización
- 6071 visitas
All living things need to carry out their vital functions. To do this, they need food and energy. Unlike animals, plants make their own food. They need very simple substances like water and mineral…
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End-of-unit evaluation - Plant nutrition
EduBook Organización
- 5989 visitas
All living things need to carry out their vital functions. To do this, they need food and energy. Unlike animals, plants make their own food. They need very simple substances like water and mineral…
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End-of-unit activities - Plant nutrition
EduBook Organización
- 5778 visitas
All living things need to carry out their vital functions. To do this, they need food and energy. Unlike animals, plants make their own food. They need very simple substances like water and mineral…
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Check. Test yourself
EduBook Organización
- 4938 visitas
Remember what you have studied in this unit and answer the questions: What is the difference between heat and temperature? What happens when a hot object touches another object that is colder? What is…
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Choose. The ozone layer
EduBook Organización
- 1 lo usan
- 4665 visitas
Consult the website about the ozone layer and choose the best answer to each question: Why is the ozone layer in the atmosphere important? Which types of substances destroy the ozone layer? Where are…
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Matter and materials
EduBook Organización
- 4765 visitas
Artificial. We use natural materials to make artificial materials. Plastic is an artificial material. Mineral. Minerals are natural materials. We find them under the ground and in rocks. Material.…
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