Photosynthesis Lab Walkthrough

Mr. Anderson guides viewers through a photosynthesis lab, explaining how to prepare and sink leaf chads using a syringe and carbon dioxide water. He demonstrates setting up the experiment with light and discusses variables affecting photosynthesis, such as light intensity and carbon dioxide concentration. The goal is to observe the rate of photosynthesis by watching leaf chads float due to oxygen bubbles formed during the light reaction.

What is the purpose of using baking soda in the photosynthesis lab?

• To act as a preservative for the leaves

• To make the water more acidic

• To provide a source of carbon dioxide

• To increase the temperature of the water

Why is it important to remove air from the leaf chads?

• To change their color

• To allow them to sink

• To prevent them from decaying

• To make them float

What tool is used to create leaf chads from spinach leaves?

• Hole punch

• Scissors

• Knife

• Tweezers

What is the role of the heat sink in the experiment setup?

• To cool down the leaves

• To absorb heat from the light

• To absorb excess light

• To prevent water from evaporating

Which factor can be studied to see its effect on the rate of photosynthesis?

• The brand of light source

• The type of container used

• The concentration of carbon dioxide

• The size of the leaves

What happens to the leaf chads as photosynthesis occurs?

• They change color

• They dissolve in water

• They become more buoyant

• They shrink in size

How does increasing the amount of light affect photosynthesis?

• It slows down the process

• It has no effect

• It speeds up the process

• It stops the process