USNSCC Maintaining Balance in the Carbon Cycle

USNSCC Maintaining Balance in the Carbon Cycle

5th - 8th Grade

7 Qs

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USNSCC Maintaining Balance in the Carbon Cycle

USNSCC Maintaining Balance in the Carbon Cycle

Assessment

Quiz

Science

5th - 8th Grade

Hard

Created by

Sarah Calderado

Used 1+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most important element for life on Earth?

Nitrogen

Hydrogen

Carbon

Oxygen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Over ______ billion years ago, life on earth existed ad single-celled microbes- bacteria.

3.5 billion

3.5 million

2.4 billion

2.4 million

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For primitive bacteria on earth, oxygen was toxic.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What caused the "Great Oxygenation Event"?

Evolution of Respiration

Anaerobic Bacteria

Evolution of Photosynthesis

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The early atmosphere of earth had very little free __________.

Carbon Dioxide

Oxygen

Nitrogen Gas

Methane

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The process of photosynthesis includes what two cycles?

Oxygen and Nitrogen

Carbon and Nitrogen

Carbon and Oxygen

Hydrogen and Carbon

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_______________ are at the core of the cycling of matter in ecosystems on earth.

Volcanoes

Bacteria

Food Webs

Stromatolites