Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

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.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Will male or female hair grow faster? Find out in this science fair project idea!

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

The objective of this science project is to determine the length of time for different seeds to germinate.

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.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Learn whether writing things down really makes things easier to remember.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project examines whether ocean water can be made safe to drink.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.