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Relaciona. Unitats
EduBook Organización
- 1614 visitas
Indica a quina propietat de la matèria corresponen les unitats de la llista següent: quilogram litre quilogram / litre gram gram / mil·lilitre
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Initial evaluation 02 - Prehistory
EduBook Organización
- 1617 visitas
Decide if the following statements are true or false: During Prehistory people did not start to domesticate animals. The discovery of fire improved living conditions. At the end of Prehistory people…
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Final self-evaluation 08 - Living things
EduBook Organización
- 1619 visitas
For each sentence choose a continuation which is correct and makes sense: Some microbes cause disease, . Some unicellular organisms . Every unicellular organism . Many living things .
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Investigate. Your birth
EduBook Organización
- 1609 visitas
Ask your parents about your birth. Then complete the following sentences in your notebook: I was born on ......, at ...... . I was born after ...... months and ...... weeks of pregnancy. My birth was…
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Final self-evaluation 02 - Plant reproduction
EduBook Organización
- 1621 visitas
Decide if the following statements are true or false: The male reproductive organs of the flower are the stamens. ➝ Pollen grains have millions of spermatozoids inside them. ➝ Seed-buds have an…
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Answer. Pure substances and mixtures
EduBook Organización
- 1617 visitas
Remember what you have studied in this section and answer: Give an example of a pure substance. And name one mixture. Which two groups are mixtures divided into? How can we separate mixtures? Give an example.
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True/false. Mixtures
EduBook Organización
- 1611 visitas
Decide if the following statements are true or false: Seawater is a homogeneous mixture, because we cannot see the individual components. ➝ Granite is made up of different components which all look…
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Answer. Materials and their properties
EduBook Organización
- 1613 visitas
Remember what you have studied in this section and answer the questions: What are the two main groups of materials? What does resilient mean? And what does elastic mean? Think about the materials that…
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The effects of heat
EduBook Organización
- 1613 visitas
Heat increases the temperature of objects. They increase in volume when they dilate and reduce in volume when they contract. Increase in temperature When objects heat up, the amount that they increase…
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True/false. Energy sources
EduBook Organización
- 1619 visitas
Decide if the following statements are true or false: The Sun and coal are energy sources that will never run out. ➝ Forces produce movements and deformations in objects. ➝ It doesn't matter if…