For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?