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Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

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

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

Here's a simple science activity that will help your child better understand how wells bring us water.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This science fair project idea determines what household items are good conductors of electricity.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

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

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.