Are viruses living or non-living? According to the presentation, they are both and neither. Clearly, this requires clarification and an in-depth look at viruses, viroids, and prions. Young scientists learn about the history, structure,...

Ginkgo trees existed for more than 350 million years, and, at this time, only one species still remains. While plant diversity generally increases over geologic time, some interesting exceptions occur. Young scientists learn about plant...

Enzymes in our bodies each have a job to do. Learn the factors that affect the activity of some enzymes using the third activity of an informative 12-part biology series. A three-part laboratory activity asks teams to investigate how...

Cyanide, a coordination compound, is used in the extraction of gold and silver. Part 24 in the series of 36 delves into the world of coordination compounds. Classes learn, through readings, discussions, and answering questions, how to...

Seventh graders conduct an experiment.  In this bacteria lesson, 7th graders list living and nonliving things and brainstorm the characteristics they share.  Students are divided into two groups where they put samples of hand...

In this prokaryote worksheet, students answer ten questions about prokaryote cells and they color a diagram of a simple bacteria cell and its structures.

In this biology worksheet, students grow corn plants in growth pouches as the control group in an experiment on plant growth in microgravity. Then they analyze any differences that occur between Earth-grown and space-grown corn plants.

Students play CD-ROM game My Amazing Human Body, and participate in relay game in Phys. Ed. where they put together skeleton on which body parts are labeled.

Students participate in a lab experiment to observe and measure the opening and closing of stomata. They focus on photoperiod, locate and identify stomata on a leaf and explain the role of stomata in the daily functioning of a plant.

Students make observations and describe the filter-feeding in sponges as it relates to the ecological role of sponges on coral reefs. In this filter-feeding in reef sponges lesson, students are introduced to the feeding methods of...

Students demonstrate their knowledge of panthers by writing a play on the subject.  In this animal life instructional activity, students view a slide-show on school computers of a veterinary exam of a panther.  Students...

Students study the cycle of how we listen and hear our own speech. They examine sound waves, and the role of the nervous system in hearing. They investigate the cues besides lipreading that deaf people rely on for comprehension.

Students extract and observe a visible amount of DNA from Escherichia. coli cells. They discuss the properties of DNA. Confirmation of the presence of DNA by a reaction with an indicator is confirmed within this lesson. Many hands-on...

Investigate how Vitamin E is used to prevent cell aging. Young scientists coat the surface of apples and bananas with oil, Vitamin E, and water. They place each in a petri dish and cover them to observe oxidation over time. They answer 8...

Students practice grade appropriate computer basics and integrate them into  the curriculum areas. in this technology lesson, students understand correct behaviors while using the computer. Students become familiar with the Internet...

Students grow bacteria cultures on agar in petri dishes and do a plate count. They participate in a yogurt making lab to see how bacteria produce lactic acid. They prepare a recipe and identify fungi, fermentation and the role of...

Students explore many inventions and inventors. In this science lesson plan, students collaborate as they research inventors and their times in order to compile information to build an informative Web site.

High schoolers explore disease caused by bacteria and viruses, how they are transmitted, and how they exert their effects on their hosts. They explain how diseases, such as AIDS, are spread by exponential growth.

Young scholars explore key terms, including food web and food chain. They discuss Arctic plants and animals, devise at least three Arctic food chains and create a food web showing connections among Arctic life.

In this acids and bases worksheet, students complete 32 fill in the blank and short answer questions on acidity or alkalinity. They color molecular diagram according to the key.

Young scholars explore how an egg becomes fertilized. In this biology lesson, students "candle" a variety of eggs in order to determine which ones have been fertilized and which ones haven't. Student use paper plates to create a graphic...

Students compare the anatomy of temperature and polar fishes. They explore the adverse effects of cold on metabolism and physiology and discuss how polar fishes adapt to their environments. Comparisons are also made to the DNA sequences...

Tenth graders complete a vocabulary assignment based on terms in the unit. They complete appropriate worksheets as each section of the unit is completed. They participate in classroom discussions. They construct a model of a DNA molecule.

In this bioluminescence worksheet, students read about various organisms that glow on land and in the sea. They answer three critical thinking questions after reading about these chemical reactions.