7th LS Investigating Photosynthesis 3.2

​School districts are pulling progress report grades on November 8th (Mon). It is recommended that overdue assignments are submitted by November 4th (Thur) to ensure they are graded.

Open Ended

What do plants need in order to do photosynthesis?

Multiple Choice

Which are the reactants for photosynthesis?

• Oxygen and sugar

• Carbon dioxide and water

Multiple Choice

Which are the products for photosynthesis?

• Oxygen and sugar

• Carbon dioxide and water

Multiple Choice

What is the first step of photosynthesis?

• Sunlight strikes a plant.

• Water molecules split.

• Sugars are made from carbon dioxide.

• Oxygen gas forms.

Multiple Choice

What is the last step of photosynthesis?

• Sunlight strikes a plant.

• Water molecules split.

• Sugars are made from carbon dioxide.

• Oxygen gas forms.

Open Ended

How can you observe a plant giving off oxygen during photosynthesis?

Multiple Choice

Which hypothesis would be the best for this experiment?

• The more water a plant has, the fewer bubbles it will produce.

• The farther away a plant is from the light, the fewer bubbles it will produce.

• The more oxygen a plant has, the more bubbles it will produce.

Multiple Choice

What is the manipulated variable for this experiment?

• distance from light

• amount of water

• type of plant

• d

Multiple Choice

What is the responding variable for this experiment?

• number of bubbles

• amount of sugar

• type of plant

Open Ended

Give an example of something that would be constant for all of the plants in the experiment

Multiple Choice

Which are the reactants for cellular respiration?

• sugar and oxygen

• carbon dioxide and water

Multiple Choice

Which are the products for cellular respiration?

• sugar and oxygen

• carbon dioxide and water

Multiple Choice

What is the first step of cellular respiration?

• Sugar is broken down.

• Carbon dioxide is formed.

• Electrons make chemical energy.

Multiple Choice

What is the last step of cellular respiration?

• Sugar is broken down.

• Carbon dioxide is formed.

• Electrons make chemical energy.

​School districts are pulling progress report grades on November 8th (Mon). It is recommended that overdue assignments are submitted by November 4th (Thur) to ensure they are graded.