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Showing results 41 to 60 of 183
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My Angle on Cooling: Effects of Distance and Inclination
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In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.
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Making Connections: What You Can Do To Help Stop Global Climate Change
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In this cooperative learning activity, learners visit ten stations and are challenged to think critically about various conservation questions and issues.
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Exploring How Robots Move
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In this activity, learners explore how pneumatics and hydraulics could be used to produce movement in a robotic arm.
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Understanding Albedo
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In this activity related to climate change, learners examine albedo and the ice albedo feedback effect as it relates to snow, ice, and the likely results of reduced snow and ice cover on global temper
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Let's Make a Supernova!
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This fun and simple hands-on astronomy activity lets learners explore what happens when a star explodes.
Effects of Solar Radiation on Land and Sea
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In this activity, learners explore the different heating properties of soil and water.
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Bobbing Eyeballs
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In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.
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How Do We Convert Electrical Energy into Mechanical Energy?
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In this activity, learners make an electromagnet motor to demonstrate the most basic method of changing electrical energy into mechanical energy.
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Rubber Band Racer
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In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.
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Fuel for Living Things
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In this activity, learners observe what happens when yeast cells are provided with a source of food (sugar). Red cabbage "juice" will serve as an indicator for the presence of carbon dioxide.
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Neural Network Signals
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In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.
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Trip Wire
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In this activity, learners build simple alarms that they can attach to anything, such as a drawer or doorway. This activity introduces learners to electricity, circuits, and currents.
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Motor Bird
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In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.
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Paddle Boat
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In this activity, learners build an old-fashioned paddle boat out of simple materials.
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Your Energy Needs
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In this activity about the relationship between food and energy (page 8 of PDF), learners estimate average daily baseline energy (Calorie) needs and energy needs for different levels of activity.
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What Causes Wind?
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In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.
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Do Plants Need Light?
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.
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What does Color have to do with Cooling?
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In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.
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Getting Your Bearings
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In this activity, learners explore the concept of friction and how ball bearings reduce friction.
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Handheld Water Bottle Rocket & Launcher
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In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion.