Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This science fair project idea produces sounds by creating vibrations using different objects.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Engineers in training can get started with this simple wheel-and-axle construction activity.