7th-T5 L1: Photosynthesis

Labelling

Label the direct source of energy for each organism shown.

Drag labels to their correct position on the image

sea urchins

kelp

sunlight

Draw

Which of the organisms shown does not eat another organism for food?

Multiple Choice

All living things need _________,

• energy

• space

• time

Dropdown

Cells capture energy in sunlight and use it to make food in a process called ​

Select answer

.

Drag and Drop

When you eat an apple, you get ​

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from the sun that was collected by the apple tree through ​

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and stored in the apple.

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energy

photosynthesis

nutrients

Draw

 Draw arrows showing the flow of energy from the sun.

Dropdown

​

Select answer

, or producers, are able to create their own food in the form of glucose, an energy-giving sugar. 

Drag and Drop

An organism that cannot make its own food, such as the sea urchin or otter, is a consumer, or a ​

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.

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heterotroph

autotroph

producer

Categorize

Options (4)

Organize these options into the right categories

Autotroph

Heterotroph

Multiple Choice

What is the difference between heterotrophs and autotrophs? Select the one that is true.

• Heterotrophs produce their own food, autotrophs consume other organisms

• Heterotrophs and autotrophs both consume other organisms.

• Heterotrophs consume other organisms, autotrophs produce their own food.

Multiple Choice

Where in a plant does photosynthesis mostly take place?

• Flowers
• Roots
• Chloroplast

Drag and Drop

When plants use the ​

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energy to convert ​

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and ​

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into sugar, it produces ​

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.

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carbon dioxide

sun’s

water

oxygen

Multiple Choice

What three things are required in photosynthesis?

• Sunlight, water, and oxygen
• Sunlight, oxygen, and nitrogen
• Sunlight, water, and carbon dioxide

Dropdown

​

Select answer

, the green organelles in plant cells, use ​

Select answer

to absorb sunlight during the first stage of photosynthesis.

Multiple Choice

___________ captures light energy that the chloroplast uses to create oxygen gas and sugar

• chlorophyll
• water
• carbon dioxide

Drag and Drop

During Stage 1, sunlight splits water molecules in the chloroplasts into ​

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and oxygen.

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hydrogen

carbon dioxide

nitrogen

Multiple Choice

• True or False: Almost all the oxygen in Earth’s atmosphere is produced by living things through photosynthesis.

• true

• false

Labelling

Add labels to the arrows in the diagram to indicate whether water, carbon dioxide, sugar, or oxygen is entering or leaving.

Drag labels to their correct position on the image

oxygen

sugar

carbon dioxide

water

Multiple Select

What elements enter the chloroplast? (hint: 3 answers)

• light

• water

• carbon dioxide

• oxygen

Multiple Select

What elements exit the chloroplast? (hint: 2 answers)

• oxygen

• glucose/sugar

• carbon dioxide

• water

Multiple Choice

What is the importance of plants to people?

• Plants are used for decoration

• Plants provide oxygen for people to breathe

• Plants are harmful to people

Multiple Choice

In Stage 2 of photosynthesis, cells produce _______.

• sugar

• oxygen

• carbon dioxide

Drag and Drop

​

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is one of the most important sugars produced in photosynthesis.

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Glucose

Sucrose

Fructose

Multiple Select

Glucose is produced by _________ and __________ __________. (hint: 2 answers)

• hydrogen

• carbon dioxide

• oxygen

Draw

On the picture, write R in the circles for the three raw materials, or reactants, of photosynthesis, and P in the circles of the two products.

Labelling

Label the photosynthesis chemical equation

Drag labels to their correct position on the image

oxygen

carbon dioxide

water

glucose

light

Drag and Drop

Plant cells use some ​

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produced in photosynthesis for ​

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.

Drag these tiles and drop them in the correct blank above

glucose

food

sunlight

Labelling

Label the leaves, roots, and seeds in the diagram. Then fill in the boxes with some of the ways plants use the products of photosynthesis.

Drag labels to their correct position on the image

store energy

use energy

roots

leaves

seeds

Multiple Choice

The marsh in the Vic Fazio Yolo Wildlife Area is managed to help protect Sacramento, California, from flooding. It also provides prime habitat to nearly 200 species of birds and other wetland wildlife.

How do marshes control flooding?

• By draining the water into nearby rivers or lakes.

• By creating barriers to prevent water from entering

• By soaking up water and are act as natural flood control