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The Carbon Cycle

Authored by Keri Cruz

Biology

8th Grade

Used 61+ times

The Carbon Cycle
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the law of conservation of mass?

Mass can neither be created nor destroyed only transformed into something new.

Mass can be created but not destroyed

Mass cannot be created but can be destroyed

Mass can be created and can be destroyed

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is an example that demonstrates that living systems follow the law of conservation of mass?

Most plants and animals begin their life cycle with a smaller mass and gain mass during development.

The mass of an organism never changes over its lifetime

When an organism dies its total mass is released into the environment

Organisms do not use energy

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a balanced equation the amount of reactants always equal the amount of the products. This is an example of what?

Law of conservation of energy

Law of conservation of mass

Law of conservation of organisms

Law of conservation of science

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

All animals including humans need what gas from the air to survive?

carbon dioxide

methane

oxygen

helium

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What gas do all animals including humans exhale therefore adding to the atmosphere?

carbon dioxide

methane

oxygen

helium

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these is the chemical equation for cellular respiration?

oxygen + glucose (carbohydrates) ---> carbon dioxide + water

oxygen + glucose (carbohydrates) ----> carbon dioxide + sunlight

carbon dioxide + water ----> oxygen + glucose (carbohydrates)

carbon dioxide + sunlight -----> sunlight + carbon dioxide

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The process of plants using sunlight and carbon dioxide to make sugar (glucose) is called ......

cellular respiration

transpiration

evaportation

photosynthesis

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