Here's a five-star lesson plan in which inquisitors conduct sophisticated experimentation with cellular respiration in plant seeds. Placing seeds in a closed system they measure the amount carbon dioxide produced and relate it to...

Never let them see you sweat ... unless you can't help it! Scholars design an experiment to determine the effects of stress on the body. They monitor sweat production under different conditions and relate the response to the function of...

Control a ball with your mind! Using a headset with an electrode, learners adjust the movement of a ball. They develop an experiment that tests the involvement of the central nervous system in controlling the ball. The activity helps to...

How much negative feedback does a body get daily? The interactive walks through one negative feedback loop, increasing body temperature. Then it challenges scholars to relate this to mechanical feedback loops and disorders that prevent...

In this photosynthesis, disease and Immune System worksheet, students fill in the blanks with key terms to complete sentences about the transfer of energy from the sun to plants, enzymes as catalysts in reactions, homeostasis, the immune...

In this experimental design and homeostasis worksheet, students complete 20 sentences with key terms about designing experiments, gathering data, graphing data and determining controls. They also complete sentences about homeostasis and...

In this online interactive biology crossword puzzle worksheet, students use the 7 clues to find the appropriate answers to complete the word puzzle.

Eighth graders who have studied all of the organ systems now discover how they all are related and work together in the human body. They discuss a variety of situations in which more than one system plays a part. They identify the...

Sixth graders explain what a negative feedback system is and they distinguish it from a positive feedback system. They describe examples of how negative feedback is used in both nature and technology. , Students define homeostasis, and...

Discusses the five characteristics that living things have and nonliving things do not.

This lesson will introduce the 7 characteristics of all living things. It is 2 of 4 in the series titled "7 Characteristics of Life."

Scholars explore the Biology concept of homeostasis. The tutorial consists of definitions, examples, and pictures. Topics include homeostasis in organisms, how they work, and the internal environment.

This lesson will introduce the 7 characteristics of all living things. It is 4 of 4 in the series titled "7 Characteristics of Life."