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Lean, Mean Information Machine: Using a Simple Model to Learn about Chromosomal DNA
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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.
Catapult
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Build a catapult that transforms the potential energy of a twisted rubber band into kinetic energy. Experiment with design variations so that you can hit a target with a projectile.
Morning Star and Evening Star
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This demonstration activity models how Venus appears from Earth.
Pocket Solar System: Make a Scale Model
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This fun and simple hands-on astronomy activity lets learners build a scale model of the universe with little more than adding machine tape.
Make Your Own Deep-Sea Vent
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In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.
Investigating Convection
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This experiment is designed to illustrate how fluids, including water, have the ability to flow.
The Thousand-Yard Model
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This is a classic exercise for visualizing the scale of the Solar System.
Build A Hydrometer
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.