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In this activity, learners explore how eating unhealthy food can damage a heart and arteries.

In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

This is a quick activity that shows how large amounts of rock and sediment are added to the edge of continents during subduction.

In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?

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.

In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid.

In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.