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This science fair project idea investigates the hardness property of minerals.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.