7th Grade Science Unit 2

7th Grade Science Unit 2

Assessment

Flashcard

Science

7th Grade

Practice Problem

Hard

NGSS
MS-LS2-3, MS-LS1-6, MS-LS2-1

+3

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What are decomposers?

Back

Organisms that break down dead or decaying organisms, returning vital nutrients to the ecosystem.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

2.

FLASHCARD QUESTION

Front

Why are decomposers important to ecosystems?

Back

They return vital nutrients to the ecosystem, helping to maintain soil health and support plant growth.

Tags

NGSS.MS-LS2-3

3.

FLASHCARD QUESTION

Front

What do trophic pyramids illustrate?

Back

They illustrate the flow of energy in an ecosystem, showing that the amount of energy available decreases as it moves up the pyramid.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

4.

FLASHCARD QUESTION

Front

What happens to energy as it flows through an ecosystem?

Back

The amount of energy available to each organism decreases as it flows through the ecosystem.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

5.

FLASHCARD QUESTION

Front

What is matter in the context of ecosystems?

Back

Matter refers to the physical substances that make up organisms and are transferred through food chains.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

6.

FLASHCARD QUESTION

Front

Why isn't all of a prey's matter transferred to the predator?

Back

Because matter can become waste, be lost as carbon dioxide, or be lost to the environment.

Tags

NGSS.MS-LS1-7

NGSS.MS-LS2-3

7.

FLASHCARD QUESTION

Front

What is the impact of a drought on grass populations?

Back

A drought can decrease the population of grass, leading to less food for herbivores like mice.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

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