Cargando...
Recursos educativos
-
Nivel educativo
-
Competencias
-
Tipología
-
Idioma
-
Tipo de medio
-
Tipo de actividad
-
Destinatarios
-
Tipo de audiencia
-
Creador
-
Think about it. Manifestations of the Earth's internal energy
EduBook Organización
- 2708 visitas
Remember what you have studied in this section and answer the questions: Why do tectonic plates move? Explain how they move in relation to each other. Why does material from the deepest part of the…
-
Complete. What is the geosphere made up of?
EduBook Organización
- 2663 visitas
Complete this text with the correct words: The geosphere is made up of which are natural materials. They are usually and dense, and made up of various substances called . The geosphere has rocks on the…
-
Average annual rainfall
EduBook Organización
- 2639 visitas
Precipitation maps have imaginary lines called isohyets. The isohyets connect places on the Earth's surface with the same amount of precipitation. The map shows how: Precipitation is abundant in…
-
Learn... Extracting minerals
EduBook Organización
- 2624 visitas
Some minerals of economic interest are scarce. Sometimes they appear in concentrated amounts in the Earth's crust. These are called mineral deposits. The places where humans extract mineral deposits…
-
Final Autoevaluation 9.08 - Motion and forces
EduBook Organización
- 2624 visitas
Answer true or false: Friction is a type of force. Friction is the force between an object and the surface on which the object moves. The effect of friction is equal to the movement. The friction value…
-
The greenhouse effect
EduBook Organización
- 2575 visitas
The solar radiation that reaches the Earth's surface is reflected by the Earth. It then rebounds and heats the atmosphere. This phenomenon is essential for life. Without it, temperatures would be…
-
Force and pressure
EduBook Organización
- 2540 visitas
6.1. The efficiency of force When a force is applied, the effect caused depends not only on the magnitude of the force, but also on the surface area to which it is applied. The relationship between…
-
Learn. The different types of respiration - Animal nutrition
EduBook Organización
- 2400 visitas
Diffusion In unicellular organisms, like the amoeba, respiratory gases are exchanged across the whole surface of the body. These gases then cross the cell membranes by diffusion. Tracheal respiration…
-
Final self-evaluation 7 - The Earth and the Moon
EduBook Organización
- 2403 visitas
Complete the sentences with the missing words: The Moon is the Earth's only . The Moon's surface has large caused by the impact of meteorites. The Moon has large areas of lava known as . A moon…
-
The sense organs adapt
EduBook Organización
- 2336 visitas
2.1. The sense organs The sense organs receive stimuli from the environment. They are usually found close to the surface at the front of the body. An animal's sense organs determine how it perceives…