Science Buddies
Science Buddies: Measure Photosynthesis With Floating Leaves
In this activity, you will be able to observe the oxygen production in leaves by doing a floating leaf disk experiment. You can also find out how quickly plants produce oxygen, and what variables affect photosynthesis.
Wyzant
Wyzant: Chem Tutor: Gases
A lengthy page covering most all the gas laws. Each law is described in words and stated as an equation. The use of each law in solving problems is demonstrated. Some problem-solving tips are provided. There are 23 practice problems with...
NASA
Sci Jinks: Rainbow Simulation
Play around with the variables involved in rainbows. We know we usually see rainbows following a rain shower. What's the science behind it? Find out with this interactive.