How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea investigates how the shape of an object affects drag.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

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

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this project children practice the scientific method while playing with puffy paint.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.