Search results for: “ass”
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Investigation: How Much Water Is In a Plant?
Students compare the amount of water in three types of plants: a root (carrot), a fruit (grape) and a leaf by weighing samples and dehydrating them overnight.
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Case Study – Are Invading Bullfrogs Harmful?
Students follow a story about an ecologist and a student who are studying the population size of bullfrogs in California. These amphibians are considered an invasive species in that area and have been causing the decline of native species. Students learn concepts related to community interactions and learn one species can cause the decline…
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Investigation: Temperature and Fish Respiration Rate
Students investigate what happens to the respiration rate of a fish as the temperature is decreased. Analyze data and create a graph.
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Investigation: Plop Plop Fizz Fizz
This investigation asks beginning students to develop a hypothesis about how quickly an effervescent tablet will dissolve and then design an experiment.
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Investigation: What Factors Influence Evolution
Explore the relationship between mutation, selection strength and the rate of evolution by using a simulation, which shows how a population evolves.
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Endangered Species Project
Students create a publication (website, infographic) to educate their classmates about a specific animal that is on the endangered species list.
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Label the Parts of the Plant and Animal Cell
Label a diagram of an animal cell and a plant cell; a diagram showing how proteins are produced by ribosomes, and finally packaged by the golgi apparatus.
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Scientific Method – Answering Causal Questions
Examine a flow chart which considers a question about water evaporation; hypotheses are proposed to test the effects of air flow, light, and temperature.
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Case Study – A Tiny Heart (old version)
Students examine the symptoms of a newborn baby who has a problem with his heart and suggest treatment options.
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How Can the Scientific Method Solve Real-World Problems?
Read short stories about how scientists used the scientific method to solve real problems, such as the discovery of penicillin and the cause of beriberi.
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Student Activities on the Importance of Observation
This activity combines literature with science as a fun way to show students how important it is to make good observations in science.
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Stickleback Fish – An Evolution Story
Students to examine two lakes and compare the types of fish in each. They learn how lakes form, and why spines may be an advantage for some populations.
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Cladogram Analysis
A short explanation of phylogeny and using cladograms, where students analyze a diagram, identify derived characters, and then construct their own cladogram.
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Investigation: Owl Pellets
Students open owl pellets to reveal the skeletons and fur of the owl’s last meal, and then reconstruct the skeletons using an bone chart.