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- Grade Range
- 4th - 8th
- Rating
Students explore the interrelatedness of predators and prey in four different activities. They simulate an aquatic insect, fish, and osprey food chain during a poker chip game, play an M&M game to simulate the relationship between predator and prey population sizes, read and discuss fairy tale representations of predators and discuss people's attitudes about predators. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students examine several maps of California exhibiting features such as precipitation, topography, and vegetation. They look for patterns that might be the source of or influence biodiversity in different regions. They pay particular attention to the endemic species of California. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students note how given traits could be achieved by selective breeding and by transgenesis. They identify different uses of GEO. Students recognize that the use of letters (Bt) before an organism's name means that the organism has had a gene inserted into its genetic makeup. They identify multiple ways that seeds can disperse. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students are introduced to the concepts of scarcity and opportunity costs. Using wheat and soybeans, they identify the opportunity costs of growing one crop over the other. They research the variable and fixed costs and give a presentation based on their findings. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students relate how food chaings and food webs routs matter and enery through an ecosystem and represent the feeding levels of a food chain or food web through a pyramid of energy. They construct three energy pyramids. Students use some of their mathematical skills to successfully construct the pyramids. Full Review »
- Grade Range
- 7th - 12th
- Rating
Students observe termite trail-following behavior. Termites tend to follow lines made on paper by ballpoint pens because the ink contains a chemical that is similar to the trail pheromones used by termites to lead colony members to food sources. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students analyze the impact of cycles on the ecosystem. They discuss the effects of extinction and biodiversity, causes of extinction and threats to biodiversity. Full Review »
- Grade Range
- 3rd - 4th
- Rating
Students create pages of a classroom book on the different structures that ants build. They view and discuss a video on ants then, in small groups, research a type of ant shelter. They relate the shelter to the environment in which the ant must survive. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students are asked if they have read or heard about the book Silent Spring by Rachel Carson. They are explained that this was a tremendously popular and influential book exposed that dangers of pesticides. Students read the book. Once students have finished reading the book, they prepare an abstract of their book for the class. Full Review »
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