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Whether or not a boat floats is determined by its shape and density. In this activity, students discover how and why boats float by designing different hull shapes and finding which design holds the most weight.…
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This engaging lesson simultaneously involves animals, flowers, mathematical patterns, and art. Students will learn to discern between radial symmetry, bilateral symmetry, and asymmetry by observing and classifying…
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Calculating the Speed of Sound
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Who hasn’t seen a dramatic flash of lightning, only to hear the dramatic “crack” of thunder several seconds later? But why does the thunder reach our ears after we see the lightning? Or, why does the sound of a high-…
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Exploring the Dynamics of Temperature
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Would your students like to take care of a penguin? To be a “penguinsitter,” they would have to know what conditions that bird needs to survive. One important factor would be temperature. In this activity, you will…
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Observing the Effects of Acids and Bases
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Combining acid/base chemistry, cell biology, and quantitative research methods, this “egg-ceptional” activity promotes a truly interdisciplinary perspective. First, students find out what effect acids and bases have on…
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Discovering Sand and Sand Paintings
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This activity blends social studies and art with math and science. First, students will explore the visible characteristics of sand, and then they will make Navajo-style sand paintings with paper, glue, and colored sand…
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Heat Exchange in Air, Water, and Soil
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The Earth is composed, at least at the surface, of soil/rock, water, and air. How do the heat exchange properties of these three very different substances compare, and what effect, if any, do they have on climate and…
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Developing a Model of the Earth’s Inner Structure
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How much do your students know about the Earth’s interior? This activity will provide them with a hands-on experience, as well as with appropriate terms and concepts. Students discover what makes a good model as they…
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Determining the Size and Shape of the Blind Spot
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What exactly is the blind spot? It is the place where the optic nerve meets the back of the retina. Because no sensory cells are present in the retina at the meeting point, a “hole” is created in the field of view of…
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Investigating Perception and Illusion
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For a motivating and baffling experience, try this investigation of perceptual illusions and their causes. It allows students to observe, analyze, and compare a variety of optical illusions, and also to create their own…
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Determining the Relationship Between Height and Hand Length
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For a motivating and baffling experience, try this investigation of perceptual illusions and their causes. It allows students to observe, analyze, and compare a variety of optical illusions, and also to create their own…
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Exploring Cellular Shape Using Area
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In this activity, students are challenged to maximize the area enclosed within the limited perimeter of a string “cell membrane,” using area formulas as they do so. This is an open-ended activity that will challenge…
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Surveying Science and Mathematics on the Internet
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In this activity, students will explore the internet for interesting science and mathematics websites. They will be guided by an activity sheet as they identify, summarize, analyze, reflect on, and compare websites.…
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Please Pass the Pollen: Flowering Plants, Pollination, and Insect Pollinators
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This high-interest activity provides an opportunity for students to learn more about the natural world while they hone their investigatory skills. In the activity, student groups investigate pollination, insect behavior…
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Examining Current Events in Science, Mathematics, and Technology
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The national standards in science and mathematics call for these subjects to be taught from personal and social perspectives, thus strengthening students’ decision-making skills. Preeminent science educator Paul DeHart…
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