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

The study of the earth

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

The middle layer of the earth

Central part of the earth

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

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

The study of earthquakes

The point at which an earthquake begins

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

The most famous scale used to measure earthquake strength

An arch like structure

If a volcano has erupted within the past 50 years

Horizontal sheetlike mass of igneous rock

Slow convection currents in the plastic rock of the upper mantle

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

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

The study of volcano-related phenomena

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

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

Elastic strip along a strike-slip fault in western California

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

Marks the lower boundary of the crust

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

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

A volcano which will probably not erupt again

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

Any substance which is emitted by an active volcano

Lava that hardens to form a smooth or ropy surface

Weak earthquakes

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

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

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

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

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

Volcanoes made of erupted volcanic ash and rock fragments

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

Consists of pyroclastic particles less than 4 mm

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

Formed by the bending or buckling of rocks under great force

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

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

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

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

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

A vertical sheetlike mass of igneous rock

Deposits of sand and mineral fragments

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

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

Masses of igneous rock beneath the surface

A domelike intrusion

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

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

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

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

May involve either vertical or horizontal movement

One huge land mass

Large igneous intrusions

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

Some of the most spectacular mountains in the world

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

Grade 9 / Science / Abeka / Chapter 8

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

2.

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

2. The study of the earth

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

4. The middle layer of the earth

5. Central part of the earth

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

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

8. The study of earthquakes

9. The point at which an earthquake begins

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

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. Horizontal sheetlike mass of igneous rock

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

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. 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

21. The study of volcano-related phenomena

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

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

26. Marks the lower boundary of the crust

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

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

29. A volcano which will probably not erupt again

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

31. Any substance which is emitted by an active volcano

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

33. Weak earthquakes

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

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

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

39. Volcanoes made of erupted volcanic ash and rock fragments

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

41. Consists of pyroclastic particles less than 4 mm

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

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

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

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

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

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

48. 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

49. A vertical sheetlike mass of igneous rock

50. Deposits of sand and mineral fragments

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

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

53. Masses of igneous rock beneath the surface

54. A domelike intrusion

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

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

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

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

59. May involve either vertical or horizontal movement

60. One huge land mass

61. Large igneous intrusions

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. Some of the most spectacular mountains in the world

66. 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