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.

This project examines what types of objects burn and which burn faster and cleaner.

This activity is a craft project and a math workshop all in one! Use found objects to encourage your child to imitate, extend, and create patterns.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

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

Make a paper jack-o'-lantern treat bucket this Halloween! While crafting, your kid will learn about the process of creating self-standing sculptural objects.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

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.

Re-purpose a tin can into a pretty compost bucket for your family's kitchen counter and learn about the science and fun of recycling and renewing objects.

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 preschool and early elementary children.

Picnic getting boring? Here's a fun game that gets the kids moving around, and doing a little addition while they're at it.

Check out this simple version of a pairs game that's played all over the world. It's a great way to practice estimating and predicting mathematical outcomes.

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.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Get your child excited about measuring with this fun and easy household measurements activity.

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

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

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

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!