Recursos educativos energy página 70

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End-of-unit evaluation - Economic activity in Spain
EduBook Organización
2605 visitas
Spain has a labour force of over 21 million people who work in three economic sectors. People who work in the primary sector mainly work in farming and fishing. The secondary sector includes mining,…
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How we breathe in places with no air
EduBook Organización
2557 visitas
We need air to breathe Humans and other animals that live on land need air to live. When we breathe, we take oxygen from the air. With this oxygen and with the food we eat, our body has the energy it…
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The natural environment
EduBook Organización
2499 visitas
1.1. The energy of the sun and life The ecosphere is a hypothetical zone existing around any star where the temperature allows life to exist. The conditions which make it possible for life to exist on…
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Summaries - Science and technology
EduBook Organización
2443 visitas
1. Science and technology in today's world During the 20th century and the beginning of the 21st century, people made great advances which have improved the quality of life for people all over the…
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Sound
EduBook Organización
2344 visitas
6.1. What is sound? Sound is the propagation of vibrations and energy in a straight line and in all directions. It travels from the source of sound to the receptors. Unlike light, sound needs a material…
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End-of-unit activities - Nutrition, breathing and circulation
EduBook Organización
2345 visitas
Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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What is sound?
Maria Pallarés Docente
1 lo usan

2863 visitas
What is sound? Sound is a form of energy, just like electricity and light. Sound is made when air molecules vibrate and move in a pattern called waves, or sound waves. Think of when you clap your hands,…
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End-of-unit evaluation - Nutrition, breathing and circulation
EduBook Organización
2268 visitas
Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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Complete. Cellular respiration
EduBook Organización
2206 visitas
Complete this text with the correct words: lungs - cellular - bloodstream - carbon dioxide - energy - exhale - blood vessels - heart Blood containing oxygen passes from the to the . The heart pumps the…
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Video: Fatty Acid Metabolism
Tiching explorer Organización
1 lo usan

3523 visitas
This presentation introduces graphically triacylglycerol, glycerol and fatty acids. It points out where dietary triacylglycerol comes from and how it is processed through digestion. We analize micelles…
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