Science Exams

Helpfulness: 0
Set Details Share
created 7 years ago by AmyPickett
29 views
Science Exams
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:
1

What is conservation?

Careful managment of the enviorment and of natural resources

2

What is mining?

It is the removal of recources from Earth

3

Explain Reclamation

its like replanting trees when you are done mining

4

What determines wether a resource is a renewable or non-renewable

How long it takes them to be formed again

5

What is the MAIN reason non-renewable resources may run out in the future

because people use them so much

6

what is Hydroeletric energy

Electricity produced by water power

7

What is geothermal energy

Energy produced from magma or dry rock inside the Earth

8

What is solar energy

Energy produced by the sun or solar pannels

9

What is wind energy

energy produced by moving air

10

What is Biomass Energy

Energy from burning wood, alcohol ,and garbage

11

How mining is harmful tot he enviorment

it ruins habitats

12

Which fuel forms when pressure and heat cause changes in the remains of swamp plants

coal

13

Which 3 energy recources make up fossil fuels

coal , oil, and natural gas

14

why are they called fossil fuels

They all come from plant and animal remains

15

a mineral has to be

naturally formed, inorganic, solid , with a crystalline structure

16

Minerals are ______ resorces

non-renewable

17

a rock consists of _____ but a mineral is not a __

minerals
rock

18

What is a gem

a rare and beautiful mineral

19

How is a gem different than a regular mineral

it is rare

20

The name of scientists who study gems

gemologist

21

On ____ hardness scale, minerals with ____ numbers can scratch minerals with _____ numbers (harness being ___ and softest being _____

1. Mohs`
2. high
3. low
4. 10
5. 1

22

What is the softest mineral on Mohs` hardness scale

talc

23

The special properties some minerals have( there are 5 of them)

magnetism, flouresence, chemical reaction, light reaction, salty taste

24

What can prove a mineral is magnetic

if it atractts iron

25

What is the special property that can causea mineral to glow under a ultraviolet light

Flouresence

26

What it means if a ineral has a special light refraction property

it shows a double image