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Showing results 1421 to 1440 of 2059
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Hunger Signals
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This game explores the different reasons we choose to eat, and helps us be aware of when our body needs food and when it does not.
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Cleaning Air with Balloons
Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-317.png?itok=vxbWdAE-)
Drinking Straw Pulse Measurer
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In this health activity, learners create a device so that they not only feel their heartbeat, but also see it, using a straw and some clay.
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Model Eardrum
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In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.
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Magnet Powered Pinwheel
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Learners use the current flowing in a wire to create a magnetic field that turns a magnet. Learners can use this property of electromagnetism to build a magnet-powered pinwheel.
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Domino Trains
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In this activity, learners practice matching and subitizing as they create the longest domino train possible.
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Thaumatrope
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In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.
Something is Different about You
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In this activity, learners use various dress-up or costume pieces to play a game of change.
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In the Middle
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In this math activity, learners use problem solving skills to find a middle seat for Mary at the movies. Learners practice dividing numbers and identifying the middle of a quantity.
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Cave in a Cup
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In this activity (page 2 of PDF under GPS: Cave Swallows Activity), learners will model how caves are formed by placing one piece of chalk in a cup of vinegar and another piece in a cup of water, then
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Static Cling
Source Institutions
In this activity, learners investigate static electricity using everyday objects at four different stations.
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Soap Bubble Art
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Capture soap bubble patterns on paper! In this activity, learners can create beautiful pictures from popping soap bubbles.
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Melts in Your Bag, Not in Your Hand
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In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.
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Heavy or Light
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In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.
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Apartment Buildings and More
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In this engineering activity, young learners investigate multi-level buildings.
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Evolution as Reproduction with Variability
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In this online activity, learners discover how random variation influences biological evolution.
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Exploring Properties: Surface Area
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This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.
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Exploring the Nanoworld with LEGO Bricks: Structure-Property Relationships at the Nanoscale
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In this activity (pages 32-41), learners learn how the atomic and molecular arrangement of matter are related to physical properties.
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Fruit Fly Trap
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Build a fruit fly trap out of a 2-liter plastic bottle and some rotten fruit! Fruit flies are easy to catch in warm weather. Once you catch some, you will be able to see their life cycle up-close.
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Heavy Air
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In this activity and/or demonstration, learners illustrate visually and physically that air has weight. Learners balance two equally-inflated balloons hanging from string on a yard stick.