science - salt water

Question 1

what are the spheres of the earth

Answer 1

atmosphere
geosphere/lithosphere
hydrosphere
biosphere

Question 2

what is the atmosphere

Answer 2

all gasses surrounding the earth

Question 3

what is the geosphere

Answer 3

• all rocks, soil and sediment that makes up the earths land

Question 4

what is the hydrosphere

Answer 4

all oceans, rivers and bodies of water

Question 5

What is a variable

Answer 5

the factors that will change the outcome of the investigation

Question 6

what is the biosphere

Answer 6

All living things on earth, animals, insects, plants etc

Question 7

What is a independent variable

Answer 7

what is being changed

Question 8

what is dependent variable

Answer 8

what is being measured

Question 9

what is control variable

Answer 9

what is kept the same