Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science project allows students to study the psychology of happiness.

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

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!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea provides evidence that air is everywhere and takes up space.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

This project determines what category of person is most likely to be ticklish.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.