Use a model to explore leaf photosynthesis and the macroscopic outcome of the photosynthetic reaction.

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...

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

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...

This interesting tour examines how life began on earth, provides images of the first life forms, and delves into the role that photosynthesis sexual reproduction, and natural selection played in the the Precambrian period. Listen to...

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.] Introduction to the goals of science.

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.

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.