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energy flow

Authored by Taylor Avaritt

Science

7th Grade

Used 1+ times

energy flow
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In photosynthesis, plants convert what type of energy into what other type of energy?

light---> mechanical

radiant--->chemical

chemical--->heat

mechanical--->light

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The energy plants gain through photosynthesis is stored in--

oxygen

nitrogen

carbon dioxide

glucose

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A test tube is filled with water and a green. When the plant is exposed to sunlight, it begins to produce bubbles. Which of the following is the most likely conclusion for the identity of the gas in the bubbles?

carbon dioxide

oxygen

nitrogen

hydrogen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram provided illustrates the process of photosynthesis, including the substances used and produced by plants. What is the identity of the chemical represented by the ? in the diagram?

hydrogen

carbon

glucose

nitrogen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Three Anacharis plants were placed inside inverted test tubes filled with water. One test

tube was exposed to low light, another to medium light while another was exposed to high

light. The table provided shows the results of this experiment. Notice that more oxygen

was produced by the Anacharis in high light.


Based on the information provided, what is the difference in volume (in mL) of oxygen

produced between the low light and high light plants after 45 minutes?

1.1

1.3

0

2.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following provides the energy needed for photosynthesis?

water

the sun

plants

atoms

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Carbon dioxide enters the leaves of plants and is used by the plant during photosynthesis to make--

nitrogen

hydrogen

glucose

water

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