Recursos educativos oxygen página 6

Mostrando resultados de 130

Machthe pictures to the sentences
EduBook Organización
2042 visitas
Machthe pictures to the sentences: He is using the force of the wind. → The atmosphere is a layer of air that surrounds the Earth. → They produce oxygen. → It can fly because when air…
Ver más
Interpret. A table
EduBook Organización
1849 visitas
In order to analyse the amount of humus in the soil, we react a sample of it with hydrogen peroxide. The carbon in the organic material reacts with this compound and as a result, the reaction gives off…
Ver más
Think - Air and life
EduBook Organización
1727 visitas
The quantity of gases in the air is less at high altitudes. There is less oxygen at the top of a mountain than at sea level. Why do you think the mountain climber in the photo is wearing an oxygen mask?
Ver más
A life cycle
Tiching explorer Organización
1 lo usan

18481 visitas
This iPad application is designed to help us understand life cycles. We learn about the following cycles: Frog life cycle, water life cycle, butterfly cycle, plant cycle, pollination, photosynthesis,…
Ver más
Check what I know
EduBook Organización
6080 visitas
Plants need food to grow and survive. → Water travels from the leaves to the roots. → Plants make their food at night. → Plants make their food in the leaves. → Plants produce oxygen. → Raw…
Ver más
Choose. Matter: atoms, molecules and crystals
EduBook Organización
4050 visitas
Choose the correct answer: What is the difference between a sulphar molecule and a water molecule? In a glass of water, what is the proportion of hydrogen atoms to oxygen atoms? Describe the structure…
Ver más
Answer. Respiration in plants
EduBook Organización
2482 visitas
Remember what you have studied in this section and answer the questions: What is respiration? What do plants NOT do at night? How are oxygen and carbon dioxide absorbed in algae?
Ver más
Unit 2
EduBook Organización
2323 visitas
The atmosphere makes wind, it can make a windmill spin. Although you cannot touch it, you can feel it on your skin. Although it has no colour, it makes the sky look blue, With nitrogen, oxygen, and…
Ver más
Look and answer. Exchange of gases in cells
EduBook Organización
2226 visitas
Look at the diagram showing cellular respiration: Which gases are transported by the blood? What do oxygen and carbon dioxide have to pass through to enter and leave the cells?
Ver más
Find out more
EduBook Organización
1647 visitas
The surface of a leaf has many tiny holes in it, called stomata. These allow carbon dioxide and oxygen to flow in and out of the leaf so that photosynthesis and respiration can occur.
Ver más