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.

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.

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

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.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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.

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.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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