Check out this cool science fair project on identifying rocks and minerals for kids.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

This project is about after-images and what possibly affects them.

This science fair project idea discovers the effect of (high) heat on animal cells.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

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

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

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

This science experiment tests if dog saliva can really help heal wounds.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Demonstrate which cooking method gets rid of the most fat.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.