Environmental Change

Environmental Change

8th Grade

15 Qs

quiz-placeholder

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Environmental Change

Environmental Change

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

NGSS
MS-LS2-4, MS-ESS3-4, MS-ESS2-5

+8

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A volcanic eruption covers a wide area of forest with ash, lava, and volcanic rock. Which of these describes the first stage/step of ecological succession that will begin to return biotic factors to the forest community and return it to its state of equilibrium? (7.8A)

the volcano stops erupting

the lava cools to form rock

lichens grow on the rocks

the rock melts back into lava

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a tree falls in a dense forest, what changes are likely to take place? (7.10C)

lichens and moss inhabit the area

the rate of erosion increases

saplings and small plants thrive in the sunlight

there is a marked decrease in the amount of available oxygen

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A wildfire moves through a grassland area. All of the following are examples of how this would affect the local ecosystem, except ____.

increased nutrients in the soil

destruction of plant life and animal habitat

germination of seeds that require fire before maturation can occur

animals go into hibernation

Tags

NGSS.MS-LS2-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Pioneer species such as lichen and moss inhabit an area after a major disturbance, such as a volcanic eruption. Over time, the area has more soil to support more complex plants, and the number of pioneer species decreases. Why does the number of pioneer species decrease? (7.10C)

the amount of available oxygen for cellular respiration is reduced and the pioneer species can no longer thrive

competition from more complex plants dcreases available resources and there are less rocks to be broken down by the pioneer species

the area is more susceptible to the wind and seeds are captured in the pioneer plants and germinate at a higher rat

the temperature is not as extreme as it was following the disturbance and fewer of the pioneer species reproduce

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Some students take care of a vegetable garden. When it is time to plant in the spring, the students leave part of the garden empty in order to observe ecological succession. Which of these will most likely occur first? (7.10C*)

development of topsoil

growth of weeds and grasses

growth of trees and shrubs

development of a stream

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What two environmental changes can be found in this image?

pollution and climate change

climate change and urbanization

deforestation and pollution

urbanization and deforestation

Tags

NGSS.MS-LS2-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following will have the longest term impact on organisms in an ecosystem?

flooding

oil spill

blizzard

global warming

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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