Proving Photosynthesis Works!

Regular Biology

NameJ____________________ Lab PartnerJ___________________

SectionJ___________________

ScoreJ ____________/50

Lab Question: What gas do plants produce?

State your hypothesis:

Materials you must use to complete lab:

· Straws

· Test Tubes (2 of the larger sized)

· Water

· Bromthomyl Blue (Indicator of Oxygen Gas) (10 drops/100ml of water)

· Sunlight

· Stoppers

· Test Tube Racks

· Tin Foil

· Elodea (an aquatic plant) (just a sprig is needed)

· Carbon Dioxide

State the reaction for photosynthesis:

Procedure: (You determine this part)

Observations:

Conclusions: