Young scholars observe changes in a selected tree leaf near their homes during the fall. Twice each week students record changes in the leaf using words, pictures, and numbers.

Second graders gain an understanding of how plants produce oxygen and that the oxygen we breathe comes from trees and plants. After a lecture/demo, 2nd graders discuss the ways plants produce oxygen and the detrimental effects of cutting...

All about plants has information on plant parts--seeds, flowers, fruits, roots, and spores--and plant processes--seed dispersal, germination, pollination, and photosynthesis. You can also take a tour of this Los Angeles-based...

This set of lessons has students investigate how plants obtain energy from different sources to support their growth and development. Students conduct investigations, make predictions, and construct scientific explanations of the...

[Free Registration/Login may be required to access all resource tools.] How do trees help you breathe? This activity covers the connection between cellular respiration and photosynthesis and identifies the products and reactants of each.

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.

Find out about the essential role energy plays in cell function and in sustaining life. Trace energy transformations as they pass from one living thing to another.

Article identifies elevated water temperature as a cause of coral bleaching due to loss of photosynthetic ability in symbiotic algae.

Take this interactive, multiple-choice quiz over the biochemical processes of life, then review your score and any missed questions at the end.

Take an interactive quiz over plant structure and function. After completing the quiz, check your score, and then revisit any incorrect question for further review.

This site is an online science curriculum on how to grow plants on the Moon. There are six lessons that have a glossary also included. There are movies that demonstrate concepts, and teacher resources. The sites topics cover, the Earth,...

[Free Registration/Login may be required to access all resource tools.] Discusses plants, their needs, and their importance. The structure and function of roots, stems, and leaves are covered as well.

Learn about different types of bacteria and the ways they get nutrition.

In this module you will be able to test your understanding of how light energy is converted into different forms of chemical energy during photosynthesis, to review the equations for the light reactions of photosynthesis, and to explore...