Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea explores the different properties & interactions of sugar molecules.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

This science fair project idea explores whether talking to a plant will help it grow.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Find out whether matte or shiny nail polish lasts longer.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Explore if planting seeds in a certain direction will affect how fast it germinates.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea examines which type of insulation holds in the most heat.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

Find out which kind of bubble wrap fares best when put in impact.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.