Spheres of the Earth
Earth's surface
Rocks
Minerals
Extra
100

How many spheres does the Earth have?

Four

100

How many external processes can change the Earth's surface?

4

100

How many types of rocks are there?

3

100

How many properties do minerals have?

5

100
Not all rocks are solid. There are some liquid rocks too. Can you give an example?

Petroleum

200

What is the sphere that corresponds to all the water on Earth?

Hydrosphere

200

How do we call to the process in which materials from rocks and soil are removed?

Erosion

200

What are rocks?

Rocks are made up of minerals and make up the geosphere

200

What are minerals?

They are natural materials that make up most of rocks.

200

The internal energy of the Earth causes the formation of various landforms. Say 3 of them.

Mountains, oceans, seas, volcanoes, islands, depressions...

300

What is the biosphere?

All of the Earth's ecosystems and living things.

300

What agent deposits the tiny rocks that form deserts?

The wind

300

How rocks are classified? (What criteria do we use to classify rocks?)

We classify rocks according to how they were formed or created.
300

Which property has to do with the relationship between the mass and the volume of a mineral?

Density

300

Which is the hardest mineral?

The diamond

400
The geosphere has three layers. Which one is the biggest?

The core

400
What two agents are responsible of moving tiny rocks or other materiales from one place to another?

Wind and water

400
How are igneos rocks formed?

Theya re formed from magma.

400

Which properties can we NOT see with the naked eye?

Density and hardness

400

What needs to happen when a mountain range is formed? (What is the process of formation of a mountain range?)

The tectonic plates are moved due to the internal energies of the Earth towards each other.

500

What is the geosphere?

The rocky aprt of the Earth

500

How do we call to the materials that are transported from one place to another by natural agents?

Sediments

500

What type of rock is the marble?

Metamorphic

500

What can we use minerals for? Say at least 2 uses.

To obtain metals, to make jewelry, to make electronic components

500

What process is taken place in the cliffs? What agent is responsible for that?

The process that takes place in the cliffs is erosion and is caused by water.

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