What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

This science fair project idea produces varying pitches of sound.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This project investigates the affect of storage temperature on microwave popcorn.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this experiment we will be determining whether birds prefer certain colors of seed.

Find out whether putting something on top of a plant will inhibit its growth.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.