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In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Determine whether the application of Febreeze will lower the bacterial count.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.