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Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Find out whether matching resonant frequencies can cause objects to shatter.

How powerful is the reaction between baking soda and vinegar? Find out here!

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

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.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Give your budding young observers a chance to discover simple machines at use in their own home.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.