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History of the Battery
Students study the development of batteries. In this electrochemistry lesson, students compare the different types of batteries. They explore its applications especially in the medical field.
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The Fall of the Ruler
Students determine their reaction time using a ruler. In this Physics activity, students calculate the class' means and variances. They plot the graph and analyze if there are outliers.
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Responding to Alcohol: What's Important?
Students examine the effects on motor functions in mice. They make observations and graph their data. They analyze the data and draw conclusions in each of the three experiments.
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Creatures That Glow In The Night
Students investigate the different bioluminescent organisms. They use microscopes in order to make observations and draw what is seen. Students demonstrate they have studies the differences between the process of photosynthesis and...
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The Effect of Automobile Exhaust on Hydra in an Environmental Chamber
Students study the structure and habitat of the hydra in this lab lesson. Students determine if the hydra can be used as an indicator to detect pollution from automobile exhaust.
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Can You Calculate the Speed of Your Pet?
Students analyze the formula for speed and velocity. They explore and demonstrate how to calculate the speed of wind up toy pets, average the speeds and identify the correct units of measure of speed.
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A Fish in Water
First graders, with a goldfish as a class pet, practice the proper way to care for a pet and have responsibilities when it comes to taking care of the fish. As a class, the teacher reads the book "Fish Out of Water".
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What Does It Eat?
Students, working in research teams, investigate the eating habits of crickets. They collect and record data and compare their methods and results with other groups by making tables or graphs. They sumarize their findings with posters or...
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A Tasty Experiment
Students work together to determine if smell is important to being able to recongize food by taste. They try different foods with different textures and hold their nose. They create a graph of their results.
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DNA Extraction From a Variety of Tissue Samples
Students, working in cooperative groups, extract very impure samples of DNA from a number of tissue samples. They determine how the samples can be preserved and how they are similar.
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The Biomass Balancing Act
Students work in groups to research biomass using the International Energy Agency's website. Students use evidence from the web search to assess biomass energy potential in Pennsylvania as part of a classroom "Alternative Energy...
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The Energy Debate - Sea Level Rise
Students comprehend the impact of global warming on our coastal cities. They appreciate how geographic information systems can be used to represent scientific data. Students research the melting of the ice caps in Antarctica and the Arctic.
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It's Okay to Exhale: Photosynthesis and Cellular Respiration
Pupils will observe the differences between photosynthesis and cellular respiration. Then they observe the links due to climate changes and relate how climate change affects their lives.
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Laetoli Trackway Puzzle
Young scholars try to reach a "best explanation" after viewing diagrams. For this trackway lesson students complete several worksheets, make observations and hypothesize.