Year 7 Science Flashcards

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0
Q

What are pervious rocks.

A

Pervious rocks are rocks that allow water to soak into them

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1
Q

What is ground h20?

A

Water (h20) that exists underground

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2
Q

What are impervious rocks.

A

Impervious rocks do not allow water to soak I to them

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3
Q

What is humidity.

A

The amount of water vapor in the air

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4
Q

What is irrigation?

A

Practice used in agriculture that provides water to crops

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5
Q

What are the three r’s ?

A

Reduce, reuse. Recycle

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6
Q

What are types of renewable energy?

A

Biomass, geothermal,hydro,solar,wind

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7
Q

What percentage of the earth is covered in water?

A

70

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8
Q

What percentage of the earths water is salt water?

A

97.5%

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9
Q

What is saturated air?

A

When air can’t hold anymore water vapor

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10
Q

What is precipitation?

A

Rain falling back to earth

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11
Q

What is percolation?

A

When rain soaks into the soil

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12
Q

What is transpiration?

A

Process of evaporation of water from plants

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13
Q

Names some examples of made resources

A

Leather, plastic, petrol,glass,cement

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14
Q

What is a renewable resource?

A

Replaced by natural processes at same rate of use

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15
Q

What is a non renewable resource?

A

Takes resources

16
Q

What is a resource?

A

Anything obtained from the earth to satisfy needs of humans

17
Q

What are natural resources?

A

Rocks, mineral, soil, water, air, living things, sunlight