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Showing results 1 to 11 of 11
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Lean, Mean Information Machine: Using a Simple Model to Learn about Chromosomal DNA
Source Institutions
Learners observe a model of a cell and its chromosomal DNA made from a plastic egg and dental floss. Use this model to illustrate how much DNA is held in one cell.
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Deer Me: A Predator/Prey Simulation
Source Institutions
In this activity, learners will simulate the interactions between a predator population of gray wolves and a prey population of deer in a forest.
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How Quick Are Your Responses?
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In this activity (on page 134 of the PDF), learners explore reaction time.
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Exploring a Complex Space-Filling Shape
Source Institutions
In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.
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Mini Zoetrope
Source Institutions
In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.
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Heart and Lungs
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In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.
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How to View a Solar Eclipse
Source Institutions
This is an activity to do when there is a solar eclipse!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-665.jpg?itok=Udwz5bW-)
Tree Trunk Diameter to Branch Height Relationship
Source Institutions
In this activity (located on page 2 of the PDF under GPS: Temperate Rain Forest Activity), learners will identify a group of deciduous trees to study.
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Our Sense of Sight: How We Perceive Movement, Depth and Illusions
Source Institutions
In this activity, learners investigate visual perception as well as plan and conduct their own experiments.
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Planet Exploration Mission
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In this activity, learners design a scientific exploration mission to a planet or moon of their choice.
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Rain Forest in Your Room
Source Institutions
This activity (on pages 19-24) introduces learners to the rain forest's layers—emergent, canopy, understory, and forest floor—and has learners make paper lianas (vines that live attached to trees) and