Year 7 Science

Question 0

What are the three r’s?

Answer 0

Reduce,reuse, recycle

Question 1

What is irrigation?

Answer 1

Practice used in agriculture that provides water to crops

Question 2

What is precipitation

Answer 2

Rain falling back to earth

Question 3

What are types of renewable energy?

Answer 3

Biomass, geothermal, hydro, solar, wind

Question 4

What percentage of the world surface is covered in water?

Answer 4

70%

Question 5

What percentage of the earths water is salt water?

Answer 5

97.5%

Question 6

What is saturated air?

Answer 6

When air can’t hold anymore water vapor

Question 7

What is percolation?

Answer 7

When rain soaks into the soil

Question 8

What is transpiration?

Answer 8

Process of evaporation of water from plants

Question 9

Name some examples of made resources

Answer 9

Leather, plastic, petrol, glass, cement

Question 10

What is a renewable resource?

Answer 10

Replaced by natural processes at same rate of use

Question 11

What is a non renewable resource?

Answer 11

Takes resources

Question 12

What is a resource?

Answer 12

Anything obtained from the earth to satisfy needs of humans

Question 13

What are natural resources?

Answer 13

Ricks, minerals, soil, water, air, living things, sunlight

Question 14

What is ground h2o?

Answer 14

Water (h2o) that exists underground

Question 15

What are pervious rocks?

Answer 15

Pervious rocks are rocks that allow water to soak into them

Question 16

What are impervious rocks?

Answer 16

Impervious rocks do not allow water to soak into them

Question 17

What is humidity?

Answer 17

The amount of water vapor in the air