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 project idea examines the effect of microwaving on various objects.

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

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.

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.

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

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

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.

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!

Make exercise fun for your child with this energetic fitness game that's a cross between a cake walk and musical chairs.

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?