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True/False. Groups of waves on the electromagnetic spectrum
EduBook Organización
- 2953 visitas
Answer true or false: All electromagnetic waves can be seen. Ultraviolet rays have more energy than visible light. Ultraviolet rays have more energy than gamma rays. The different colours of visible…
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Think about it. Feeding and digestion in animals
EduBook Organización
- 2898 visitas
Remember what you have studied in this section and answer the questions: Animals get energy from nutrients. Why do they need this energy? The animals that have evolved the most have hard parts in their…
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Initial evaluation T3 02 - Economic activity in Spain
EduBook Organización
- 2873 visitas
Mark each sentence as true or false: The primary sector is the sector with the least amount of workers in Spain. Wind and solar energy are main energy sources in Spain. Spain imports almost all of the…
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Video: Catalysis
Tiching explorer Organización
- 3843 visitas
This animation shows how reactions are driven by energy changes and how enzymes, as catalysts, increase the rates at which reactions take place. By hovering with our mouse over the reactions we can…
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Photosynthesis and respiration
EduBook Organización
- 2396 visitas
4.1. Photosynthesis Photosynthesis is the process by which solar energy, absorbed by chlorophyll, is used to convert carbon dioxide and water into glucose and oxygen. water + carbon dioxide + solar…
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True/False. Waves and oscillations
EduBook Organización
- 2353 visitas
Answer true or false: Waves transport matter and energy. Electromagnetic waves do not need a natural medium to travel through. A wave is the transmission of an oscillatory or vibratory motion and of…
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Self-assessment T03 09 - Economic activity in Spain
EduBook Organización
- 2097 visitas
Write the correct word for each definition: The rational use of natural resources in order to meet our needs and the needs of future generations: development. The most important renewable energy source…
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Nutrition: food and nutrients
EduBook Organización
- 2077 visitas
Food Food enters our body through the digestive system. Food is important because: It gives us energy to do our daily activities. We need energy to grow, and to repair our body if we are ill or hurt. We…
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Self-assessment T12 10 - Light and sound
EduBook Organización
- 1061 visitas
Answer these questions about light and sound: Light Does it transmit energy? How does it travel? How do we perceive it? Can it produce pollution? Sound Does it transmit energy? How does it travel? How…
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Local action for a greener Europe
EducaMadrid Organización
- 7939 visitas
"It's all about BELIEF- believing someone you know" - the EU's vision of a secure, safe and clean energy for the future cannot be reached without local leadership and action "on the ground". This video…
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