3. What is the solid part of the earth’s
surface called?
lithosphere hydrospace
lithoground atmosphere
4. What are the two most important gases
of the atmosphere?
Methane and Carbon dioxide
nitrogen and oxygen
Carbon dioxide Carbon and
and plasma nitrogen
5. Where is salt water found mostly?
Lakes Rivers
Glaciers Oceans
6. What makes up 97% of the
hydrosphere?
Glaciers Salt water
Streams Oceans
7. A mixture of gases is the…
Atmosphere Hydrospace
Atmospace Lithosphere
8. What is the top layer of the earths
surface?
Outer core Crust
Mantle Cruste
9. What is the inner core made up of?
Melted iron and Plants
nickel
Loose rocks and Solid iron and
minerals nickel
10. What part of the structure of the earth
moves like a thick liquid?
Upper part of the Inner core
mantle
Lower part of the The whole part of
mantle the mantle
11. During the night rocks…
Expand Expand and
contract
Contract Crack
12. Frost action is an example of…
Mechanical Expand weathering
weathering
Chemical Contract
weathering weathering
13. What can a root do?
It can spilt a rock It is unharmfull
It can change a It can break a plant
rocks colour
14. What does weathering do to the earth’s
crust?
It makes the crust It makes holes in
expand the ground
It makes it get It makes
smaller and smaller mountains
15. How long is the Core?
3500km 1300km
2200km 2900km
16. How long is it from the crust to the inner
core?
6500km 8900km
6700km 5900km
