Earth Science Benchmark 2 Review

Question 1

Geologists recognize that earthquakes and volcanoes occur in concentrated areas that coincide with ________.

Accepted Answer

tectonic plate boundaries.

Question 2

The Andes, Appalachian, and Himalayan Mountains ALL have something in common. They formed due to the

Accepted Answer

action of convergent plate boundaries.

Question 3

Can you identify the four statements that correctly describe the movement of tectonic plates on Earth?

Accepted Answer

Asthenosphere circulates as convection currents underneath the lithosphere., Earth's int. heated by radioactive decay of elements- uran.,thor.,potassium, Under the crust is malleable layer of heated rock known as asthenosphere, Magma wells up @ mid-ocean ridges producing magma currents flowing opposite

Question 4

How does wind cause weathering?

Accepted Answer

Blowing sand can wear away a rock's surface and break it down.

Question 5

A huge, jagged rock sits atop a windy cliffside. Over a period of many years, how will the rock MOST LIKELY change?

Accepted Answer

It will become smaller and smoother.

Question 6

Landform that is formed at the mouth of a river from the deposition of sediment carried by river as the water flows.

Accepted Answer

a delta

Question 7

"Metamorphosis" means to change form. Metamorphic rocks directly form from

Accepted Answer

igneous, sedimentary, and metamorphic rock.

Question 8

Which of these best describes humus?

Accepted Answer

The broken down remains of plants and animals.

Question 9

How do microorganisms in the soil affect the soil's fertility?

Accepted Answer

They decompose the remains of plants/animals & add nutrients back to soil.

Question 10

How are earthworms connected with soil fertility?

Accepted Answer

They increase soil fertility by converting dead leaves into rich humus.

Question 11

This is a picture of a U-shaped ________ formed by a glacier through these mountains.

Accepted Answer

valley

Question 12

How do waves change a beach?

Accepted Answer

They deposit and wash away the sand.

Question 13

The round formations seen in this coastal rock are most likely formed by weathering and erosion due to

Accepted Answer

water

Question 14

Which would be the best soil option for planting a tomato seedling?

Accepted Answer

Soil has some organic matter - is mostly sand, clay and silt.

Question 15

What type of particles do you think can be found in the girls' soil sample?

Accepted Answer

coarse and fine sand

Question 16

Water freezes in the cracks of rocks and then expands, breaking the rocks apart. This is an example of _____ weathering.

Accepted Answer

physical

Question 17

Scientists tracked changes in this land. Picture A- beginning, Picture B years later. What MOST LIKELY caused changes?

Accepted Answer

water cutting the rocks

Question 18

This is a photo of lichen and moss. They are called soil formers. Why?

Accepted Answer

They chemically weather rock.

Question 19

Write a conclusion for this soil experiment.

Accepted Answer

Soil is a mixture of made up of different sized particles.

Question 20

A mountain in Hawaii is most likely cause by what process?

Accepted Answer

active volcano

Question 21

The oceanic crust is made primarily from this type of rock.

Accepted Answer

basalt

Question 22

Weathering is a process that helps make soil. Choose the statement that DOES NOT describe how rocks may be weathered.

Accepted Answer

Rock pieces are moved from place to place.

Question 23

The limestone cave seen here was formed by the action of underground

Accepted Answer

water

Question 24

Small islands can form during the constructive process called

Accepted Answer

deposition

Question 25

Large rocks are found at the edge of Lake Huron (a Great Lake). How will water from the lake change the rocks over time?

Accepted Answer

It will wear down the rocks.

Question 26

Sam blew out through a straw directed at a pan of sand.Sam is showing his class how the wind _______ the land.

Accepted Answer

erodes

Earth Science Benchmark 2 Review

Questions 26

Earth Science Benchmark 2 Review

Questions 26