Download Diapositiva 1

1. How can a volcanic
eruption change the
surface of the earth?
• The hardened lava forms a cone-shaped landform.
• New rocks form from the lava once it cools down.
• Trees and other plants near the eruption will be destroyed.
2. How can an earthquake
change the surface of the
earth?
•
•
•
•
More cracks form on the ground.
Parts of the ground could separate.
Buildings and homes are weakened because of the movement.
Trees are destroyed.
3. What is the difference
between “weathering”
and “erosion”?
• Weathering is the breaking apart or changing of rocks and erosion
is the movement or wearing down of rock, sand or soil.
4. The point on the earth´s
surface that is above where
the earthquake begins
Epicenter
4a. The name of the plates
under the surface of the
earth
tectonic plates
4b. The place where 2
tectonic plates meet
Fault line
State if the example shows erosion or weathering.
5. Water that becomes ice
and then thaws (becomes
water), separating a rock.
a. erosion
b. weathering
6. The cleaning of a copper
penny with salt and vinegar.
a. erosion
b. weathering
7. The movement of
weathered material.
a. erosion
b. weathering
8. The roots of a plant
breaking apart the sidewalk.
a. erosion
b. weathering
9. Waves hitting the sand on
the beach.
a. erosion
b. weathering
10. The breaking apart or
changing of rocks.
a. erosion
b. weathering
11. The soil on a hill being
washed away by the rain.
a. erosion
b. weathering
12. Water eating away at the
Alka Selzer tablets.
a. erosion
b. weathering
Name the landform.
13. A deep v-shaped valley
cut by a river through strong
rock.
canyon
14. The land next to the
ocean.
coast
15. A body of land
surrounded by water on 3
sides.
peninsula
16. A large natural stream of
moving water
river
17. A barren, dry area
desert
18. A place in a river where
water spills suddenly
downward.
waterfall
19. A body of salt water that
covers almost ¾ of the
earth´s surface.
ocean
20. An area of land
surrounded totally by water.
island
21. A large moving body of
ice.
glacier
22. A plain that is higher
than the land around it.
plateau
23. A landform high above
the land around it.
mountain
24. An opening in Earth´s
crust; pressure inside the
earth forces hot molten rock
upward
volcano
25. A body of water
surrounded by land
lake
26. A large, mostly flat area,
mainly of grass
plain
27. A high place on Earth´s
surface; not as high as a
mountain
hill
28. A low narrow area
between hills or moutnains
valley
Identify the part of the volcano described below.
29. An opening in the
volcano
magma
vent
ash
30. The enclosed space
where magma collects
below the surface of the
earth
magma chamber
crater
ash
31. A bowl-shaped area that
forms at the top of the
volcano
lava
crater
ash
32. Burnt material that
shoots out of the volcano
and forms a cloud
vent
lava
ash
33. Magma that flows onto
the earth´s surface during a
volcanic eruption
magma
lava
ash
34. Melted rock under the
surface of the earth
magma
lava
ash