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Photosynthesis

Photosynthesis

Assessment

Presentation

Science

9th Grade

Hard

Created by

Gail R

FREE Resource

10 Slides • 5 Questions

1

Photosynthesis

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2

​Photosynthesis





The process by which plants use light from the sun, carbon dioxide, and water.





They use those to create oxygen and energy in the form as sugar

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3

​Photosynthesis





The plant takes in water through the roots





The leaves take in CO2 and trap energy from the sun





Plants use sunlight to turn water and CO2 into sugars and oxygen

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4

Photosynthesis





Plants release oxygen and use sugars for growth





Photosynthesis occurs in the Chloroplasts





Chloroplasts perform photosynthesis during the daylight hours

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5

Photosynthesis





Photosynthesis occurs to use the energy and simple sugars to use as fuel





Water turns into oxygen and CO2 into glucose






The water is oxidized inside the plant cell meaning it loses its electrons

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6

Photosynthesis





Humans depend on photosynthesis because they are used to make the food that we eat





We use photosynthesis because they can produce energy such as, heat, light, and electricity



We need photosynthesis because it is used to make oxygen

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7

Photosynthesis





The phases of photosynthesis are, Absorption of light, Transfer of electrons, Production of energy (ATP), and Carbon fixation








The photosynthesis formula is: 6CO2 + 6H2O → C6H12O6+ 6O

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8

Photosynthesis




Plants are autotrophs because they use photosynthesis to make their own food




Plants are producers and use photosythesis to fuel themselves and the next trophic levels

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9

Photosynthesis





The green in plants are caused by the
chlorophyll





Two very important things made during photosynthesis are food and oxygen



Photosynthesis is used to convert solar energy to chemical energy and then store chemical energy for future use

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10

Photosynthesis





Photosynthesis has been going on for billions of years





Plants make sugar and oxygen for fuel






Jan Ingenhousz is best known to discover the process of photosynthesis

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11

Multiple Choice

What is Photosynthesis?

1

The process by which organisms use oxygen to break down food molecules to get chemical energy.

2

The process by which plants use light from the sun, carbon dioxide, and water.

3

Plants by which oxygen isn't released and only uses sunlight and water.

4

Plants that use sunlight and water.

12

Multiple Choice

Water turns into oxygen and CO2 into glucose.

1

True

2

False

13

Multiple Select

Select all the answers that are correct.

1

Photosynthesis occurs in chloroplasts.

2

The leaves take in CO2 and trap energy from the sun.

3

Plants don't release oxygen but uses sugars for growth

4

Plants create oxygen and energy in the form of sugar.

14

Multiple Choice

Photosynthesis occurs to use the energy and simple sugars to use as fuel.

1

True

2

False

15

Multiple Choice

What is the Photosynthesis formula?

1

6CO2 + 6H2O → C6H12O6

2

6CO2 + 6H2O → C6H12O6+ 6O

3

6H2O → C6H12O6+ 6O

4

6CO2 + 6H2

Photosynthesis

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