This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science project idea examines the effect of microwaving on various objects.

This science fair project idea produces sounds by creating vibrations using different objects.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Here's a guide to help you design a challenging pool obstacle course for your elementary school children with ordinary pool toys and household objects.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Help your 4th grader learn how to make a topographic map and strengthen key grade level social studies and math skills in the process.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Boost your child's listening, verbal and teamwork skills with this unique trust game in which one player guides another through a maze using only words.

Use familiar household items and decorations to turn estimation into a fun game!

Help your child make an imaginative scene come to life by making a diorama. Your child will be practicing three dimensional thinking and language arts skills.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

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

Here's a fun family activity: have your child make a cameo appearance by creating and drawing on their own silhouettes!

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.