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Seed-producing plants. Gymnosperms
EduBook Organización
- 4159 visitas
3.1. Seed-producing plants Seed-producing plants reproduce through seeds. Like ferns, they have vessels and vegetative organs. There are two groups of seed-producing plants: Gymnosperms are plants with…
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Check. Effects of heat on bodies
EduBook Organización
- 3765 visitas
Remember what you have studied in this section and answer the questions: Which factors affect the increase in temperature that a body experiences when it is heated? What is the specific heat of a…
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Self-evaluation 1 - Weather and climate
EduBook Organización
- 3729 visitas
Complete the text with the missing words: Atmospheric phenomena (temperature, humidity, , atmospheric pressure and exist in the lower part of the atmosphere, in the area known as the . The refers to the…
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Look at the photo. Answer the questions
EduBook Organización
- 3716 visitas
Look at the photo. Answer the questions: What is this sculpture made of? Is ice a solid or a liquid form of water? What will happen when the ice melts? What do we call the process when ice changes into…
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True/false. Density
EduBook Organización
- 3527 visitas
Are the sentences true or false? An object that occupies 2805 mm3 and has a mass of 1.3 g floats on water. Density is calculated using the mass and the temperature of a body. A substance floats when it…
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Complete. Characteristics of birds
EduBook Organización
- 3524 visitas
Complete the sentences with the correct words: beak nest constant wings oviparous The upper limbs of birds take the form of . Birds are warm-blooded animals. Their body temperature is . Birds do not…
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Answer true or false. Correct the false sentences in your notebook
EduBook Organización
- 3522 visitas
Answer true or false. Correct the false sentences in your notebook: There are three kinds of natural landscapes: agricultural, industrial and urban. → Urban landscapes have man-made features, like…
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The physical properties of matter
EduBook Organización
- 1 lo usan
- 3268 visitas
Physical properties refer to the state of matter (solid, liquid, gas); its density; its behaviour when broken, when subjected to heat or electricity; the temperature at which it changes state, etc. 2.1.…
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Interpret. Climate data (2)
EduBook Organización
- 3471 visitas
Consult this web page with data on the climates of the world and do the activities: Choose the climograph for a locality in Egypt and describe its temperature and precipitation. Compare the cimate of…
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Complete. Seed-producing plants
EduBook Organización
- 3436 visitas
Complete the text with the missing words: unprotected – protected – embryo – embryo – cotyledons seeds – photosynthesis – gymnosperms Seed-producing plants reproduce through . There are two…
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