Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

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.

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!

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.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Making your own glass cleaner is easy, effective and inexpensive!

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.

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.

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.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Learn with makes water molecules work with this fun and easy science activity!