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Geography year 7 > Natural Resources > Flashcards

Natural Resources Flashcards

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1
Q

What is Geology

A

Study of rocks

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2
Q

How old is the Earth

A

4.6 billion years old

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3
Q

What are natural resources

A

Materials found in nature that we need to survive

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4
Q

What are the 4 spheres

A

Biosphere, Hydrosphere,Lithosphere and Atmosphere

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5
Q

What is biosphere

A

All living matter

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6
Q

What is hydrosphere

A

All water such as lakes,rivers and oceans

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7
Q

What is lithosphere

A

The Earth’s Crust like landforms, rocks and soils

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8
Q

What is the atmosphere

A

Fragile Layers of gases that surround the earth

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9
Q

What does it mean for something to be renewable

A

Can be replaced in a natural process quickly

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10
Q

What does it mean for something to be non renewable

A

They can take millions of years to make again. Examples of this are coal and oil.

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11
Q

What are the 4 parts of the geological timescale

A

1- Precambrian
2- Palezoic
3- Mesozoic
4- Cenozoic

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12
Q

What are the 3 types of rock

A

Igneous, Sedimentary and Metamorphic

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13
Q

What are sedimentary rocks

A

They are formed under the sea as rock particles are carried. An example is gravel this type of rock is used for making concrete and cement

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14
Q

What are igneous rocks

A

They are formed from molten rocks from volcanoes. The rocks cool slowly allowing minerals to form large crystals. Granite is an example and it is used to make buildings

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15
Q

What are metamorphic rocks

A

They form by existing rocks under great heat or pressure. The rocks melt and create new minerals like slate. They can be used for roof tiles

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16
Q

What are the 3 points sustainability should follow

A

It should not damage the environment.
The local people should be happy.
The workers are payed a fair amount.

17
Q

Why is palm oil damaging

A

It is an oil made from a specific type of tree, resulting in deforestation and animals losing habitats so they can be grown. It is used in many things like cosmetics and food

18
Q

What is a biome

A

An area with similar climate and animals

19
Q

What are the 5 layers of a forest in order

A

Forest floor, Shrub layer, Under canopy layer, Canopy layer and Emergent layer

20
Q

Describe the canopy layer in a forest

A

Fully grown trees

21
Q

Describe the under canopy layer in a forest

A

Small trees

22
Q

Describe the Emergent layer

A

Tall trees above all the others

23
Q

Describe the shrub layer

A

Ferns and fungi are in the layer due to the lack of sunlight

24
Q

Describe the forest floor layer

A

Very few plants grow and it does not have any trees but it provides nutrients to the plants

25
Q

Around how many species are in a rainforest

A

200,000

26
Q

What was damaging rainforests in 2019

A

Fires

27
Q

What did the government offer for people to live in the highway

A

Free land which ended being used for pastureland

28
Q

Who helped the Prime Minister in 2003 to help the rainforests

A

Marina Silva

29
Q

How much of the rainforest was protected in 2012

A

47%

Geography year 7 (6 decks)

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