Grade 9 / Science / Abeka / Chapter 8

66 Questions | By Abby100 | Updated: Mar 21, 2022 | Attempts: 84

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Grade 9 / Science / Abeka / Chapter 8 - Quiz

Science of the physical creation grade 9 chapter 8 practice test

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The study of the earth

Volcanoes which pour out large quantities of highly fluid lava in...

Earth's outer layer of rock; portion we are most familiar with

Central part of the earth

The middle layer of the earth

Any trembling or shaking of the earth's crust; sudden movement of...

The point on the earth's surface directly above the focus of an...

A volcano which has erupted many years ago, but is now inactive

The point at which an earthquake begins

The study of earthquakes

The most famous scale used to measure earthquake strength

An arch like structure

If a volcano has erupted within the past 50 years

Slow convection currents in the plastic rock of the upper mantle

Horizontal sheetlike mass of igneous rock

Trough like structure

Occurs when rocks along one side of a fault sink vertically

Molten rock that may lie 3-4 miles beneath the surface

The molten rock that flows from volcanoes

The study of volcano-related phenomena

Primary waves; consist of a rhythmic push-pull motion in the direction...

The most abundant element in the earth's crust; makes up 50% of...

"float" like rafts on the plastic rock of the upper...

Appear to be formed when molten rock is forced beneath an overflying...

Lava that hardens to form a smooth or ropy surface

Any substance which is emitted by an active volcano

The most important belt; a narrow zone of active volcanoes that nearly...

A volcano which will probably not erupt again

Marks the lower boundary of the crust

The central feature of a volcano through which gases, has, and rock...

Seismologists record and study the vibrations caused by earthquakes...

When P and S waves reach the earth's surface, they generate a...

Elastic strip along a strike-slip fault in western California

Formed when molten rock erupts from a hole in the earth's crust

Weak earthquakes

Occurs when rocks along one side of a fault move horizontally along...

Smaller earthquakes or tremors following an earthquake at frequent...

"growing cloud" consists of a superheated incandescent cloud...

Ejecta that are larger than volcanic dust particles but less than 32...

Consists of pyroclastic particles less than 4 mm

Formed by the bending or buckling of rocks under great force

Volcanoes made of erupted volcanic ash and rock fragments

When a layer of rock breaks under the strain of the forces upon it and...

There are twelve degrees of intensity as shown in the accompanying...

The surest under the oceans; a denser rock that contains silica and...

The portion of the crust underlying the continents; a rock chiefly...

A vertical sheetlike mass of igneous rock

Marks the lower boundary of the mantle and lies roughly 2900 km...

Pyroclastic ejecta which are formed when lava is thrown high into the...

Deposits of sand and mineral fragments

Produce symmetrical, wide based mountains that consist of alternating...

Masses of igneous rock beneath the surface

Results when rocks on one side of a fault are thrust on top of the...

A domelike intrusion

Form when the surface of a large lava flow hardens but the lava...

Lava that hardens into rough, a jagged, rocks with crumbly texture

Some of the most dramatic surface features produced by volcanoes; huge...

Solid, irregularly shaped lumps of hardened lava, often large and...

Large igneous intrusions

One huge land mass

May involve either vertical or horizontal movement

Thought to have been formed when the edges of two adjacent rock layers...

One of the most active zones; borders the Pacific Ocean and includes...

Particles or blocks of solid volcanic ejecta

Rocks on either side of a fault spring back to a position of little or...

Some of the most spectacular mountains in the world

Grade 9 / Science / Abeka / Chapter 8

1. The study of the earth

2.

What first name or nickname would you like us to use?

2. Volcanoes which pour out large quantities of highly fluid lava in rather mild eruptions produce a broad, gently sloping volcano

3. Earth's outer layer of rock; portion we are most familiar with

4. Central part of the earth

5. The middle layer of the earth

6. Any trembling or shaking of the earth's crust; sudden movement of rock masses along a fault

7. The point on the earth's surface directly above the focus of an earthquake

8. A volcano which has erupted many years ago, but is now inactive

9. The point at which an earthquake begins

10. The study of earthquakes

11. The most famous scale used to measure earthquake strength

12. An arch like structure

13. If a volcano has erupted within the past 50 years

14. Slow convection currents in the plastic rock of the upper mantle

15. Horizontal sheetlike mass of igneous rock

16. Trough like structure

17. Occurs when rocks along one side of a fault sink vertically

18. Molten rock that may lie 3-4 miles beneath the surface

19. The molten rock that flows from volcanoes

20. The study of volcano-related phenomena

21. Primary waves; consist of a rhythmic push-pull motion in the direction of wave travel such as when spiring is alternately pushed pulled along its length

22. The most abundant element in the earth's crust; makes up 50% of the earth's crust by weight

23. "float" like rafts on the plastic rock of the upper mantle

24. Appear to be formed when molten rock is forced beneath an overflying rock layer, forcing the layer upward into a blister like dome

25. Lava that hardens to form a smooth or ropy surface

26. Any substance which is emitted by an active volcano

27. The most important belt; a narrow zone of active volcanoes that nearly encircles the Pacific Ocean Basin

28. A volcano which will probably not erupt again

29. Marks the lower boundary of the crust

30. The central feature of a volcano through which gases, has, and rock are ejected

31. Seismologists record and study the vibrations caused by earthquakes using an instrument called a ____________

32. When P and S waves reach the earth's surface, they generate a third type of seismic wave called a __________

33. Elastic strip along a strike-slip fault in western California

34. Formed when molten rock erupts from a hole in the earth's crust

35. Weak earthquakes

36. Occurs when rocks along one side of a fault move horizontally along the fault

37. Smaller earthquakes or tremors following an earthquake at frequent intervals for days or even months, gradually decreasing in intensity

38. "growing cloud" consists of a superheated incandescent cloud of gas and volcanic ash that travels swiftly down the volcanic slope as an avalanche

39. Ejecta that are larger than volcanic dust particles but less than 32 mm in diameter

40. Consists of pyroclastic particles less than 4 mm

41. Formed by the bending or buckling of rocks under great force

42. Volcanoes made of erupted volcanic ash and rock fragments

43. When a layer of rock breaks under the strain of the forces upon it and moves

44. There are twelve degrees of intensity as shown in the accompanying table

45. The surest under the oceans; a denser rock that contains silica and significant amounts of magnesium

46. The portion of the crust underlying the continents; a rock chiefly composed of silica and alumina

47. A vertical sheetlike mass of igneous rock

48. Marks the lower boundary of the mantle and lies roughly 2900 km beneath the surface

49. Pyroclastic ejecta which are formed when lava is thrown high into the air in a liquid or semiliquid state and hardens into rock before it hits the ground

50. Deposits of sand and mineral fragments

51. Produce symmetrical, wide based mountains that consist of alternating layers of lava and cinders

52. Masses of igneous rock beneath the surface

53. Results when rocks on one side of a fault are thrust on top of the rocks on the other side

54. A domelike intrusion

55. Form when the surface of a large lava flow hardens but the lava beneath remains molten and continues to flow

56. Lava that hardens into rough, a jagged, rocks with crumbly texture

57. Some of the most dramatic surface features produced by volcanoes; huge bowl-shaped craters in the ground at least two miles across

58. Solid, irregularly shaped lumps of hardened lava, often large and boulder like in their appearance

59. Large igneous intrusions

60. One huge land mass

61. May involve either vertical or horizontal movement

62. Thought to have been formed when the edges of two adjacent rock layers were pushed violently together, causing the layers to buckle like a wrinkled rug

63. One of the most active zones; borders the Pacific Ocean and includes the great mountain chains of western North, Central, and South America, the islands of Japan, the philipines, New Zealand, and the islands in the South pacific

64. Particles or blocks of solid volcanic ejecta

65. Rocks on either side of a fault spring back to a position of little or no stain an the moment an earthquake, triggering vibrations in the earth's crust

66. Some of the most spectacular mountains in the world