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True/False. Characteristics of changes in matter
EduBook Organización
- 3296 visitas
Answer true or false. In a chemical reaction, one or more substances, called reactants, are transformed into other substances called molecules. The number and type of atoms after the reaction is…
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End-of-unit evaluation - Matter and Materials
EduBook Organización
- 3102 visitas
All objects around us are made of matter. Matter is anything that occupies space. We find matter in three different states: solid, like ice, liquid, like water, and gas, like water vapour. We can make…
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Introduction - Matter and Materials
EduBook Organización
- 3025 visitas
All objects around us are made of matter. Matter is anything that occupies space. We find matter in three different states: solid, like ice, liquid, like water, and gas, like water vapour. We can make…
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End-of-unit activities - Matter and Materials
EduBook Organización
- 2637 visitas
All objects around us are made of matter. Matter is anything that occupies space. We find matter in three different states: solid, like ice, liquid, like water, and gas, like water vapour. We can make…
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The removal of cell waste
EduBook Organización
- 2528 visitas
4.1. What does excretion consist of? Cell activity produces waste products like carbon dioxide or urea. These substances are toxic for the organism if they accumulate. The function of excretion is…
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Investigate. Digestive glands
EduBook Organización
- 2303 visitas
A gland is an organ that produces substances that our body needs. These substances may be released inside or outside the body. For example, sweat glands under our skin release sweat outside the body,…
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Matter and Materials
Carles Escolà Teixidó Familiar
- 1 lo usan
- 1636 visitas
All objects around us are made of matter. Matter is anything that occupies space. We find matter in three different states: solid, like ice, liquid, like water, and gas, like water vapour. We can make…
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Complete. Types of nutrition
EduBook Organización
- 7953 visitas
Complete the text about different types of plant nutrition. Use the words from the list: – biomolecules – Autotrophic – Nutrition – Sun – Heterotrophic – mineral substances – organic…
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Work it out. Matter and its properties
EduBook Organización
- 6098 visitas
Copy the false statements from this list into your notebook and give the reasons why they are false: The different types of matter are called physical systems. Chemical compounds are pure substances…
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