Students explain chemosynthesis and photosynthesis using candy. In this chemosynthesis lesson, students work cooperatively to create a visual explanation of the chemical equations of photosynthesis and chemosynthesis.

Fourth graders determine, through laboratory activity, the presence or absence of glucose in a variety of plant leaves and stems. They work in groups and perform a three part laboratory which shows them how plants convert sunlighht to food.

Beginning botanists can sketch the parts of a plant in individual boxes, or better yet, they can tape or glue actual plant parts in them. Beside each box are a few sentences with selected words left out. From the word bank at the bottom...

Fourth graders examine the interdependence of the oxygen and carbon dioxide cycle in an ecosystem through a laboratory investigation. After a lecture/demo, 4th graders complete the lab in groups.

In this biology worksheet, students identify and define the vocabulary terms listed and make a prediction about the outcomes of the experiment. Then they complete the chart of the observations of the plankton diversity in drops of pond...

Students design an investigation to test whether vegetation in an area helps regulate the ambient air temperature. They make comparisons between the investigation and global changes in climate. In groups, they present their findings to...