In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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.

Start by writing an acrostic poem, but then get ready for a writing challenge that makes an acrostic trickier to write.

Test your learner's knowledge of Barack Obama by challenging your child to complete a crossword puzzle about the President after reading a short biography.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea experiments with spinning color wheels and optical illusions.

Introduce your child to the concepts of positive and negative space in design with this simple yet striking Valentine's Day art project.

Even if sweet potatoes aren't your kid's favorite, try topping them with fluffy marshmallows -- it will be tough to find a child who can resist!

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Welcome the holiday season by making your own paper lantern. Learn about traditional light festivals from the United States with this fun, easy activity.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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

Children read a famous letter from the American Civil War, then write a response, in this thoughtful history activity.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Discover whether a metal will expand under hot water.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Shrimp are dredged in sweet rice flour and shredded coconut and baked till they're crisp and golden.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In the spirit of Seuss and all things creative and silly, celebrate reading and all that it has to offer with this fun and interactive story box.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Your child can create a vibrant and dazzling array of flowers by blending and scraping into paint, and then creating a collage.

Tackle both boredom and mathematics with this inventive arts and craft project!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.