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 fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense 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.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

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.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Help your third grader craft a homemade version of this classic strategy game, using just an old egg carton and a few beads!

Make a kaleidoscope at home to teach your child about the color spectrum and mirror science.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

Give your number one dad something that he truly deserves this Father's Day!

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.

Help your third grader create a Venn diagram fantasy creature by combining two different creatures to create a fantasy creature based on their similarities.

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!

Instead of tossing old school supplies, turn them into a work of art and teach your kids how to find new uses for old things.

Make ancient Egypt come alive by showing kids how to make their own mini sarcophagus out of a shoe box.

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

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.

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