How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

How well can people recall what they have observed. Test your knowledge in this fun experiment.