Test your friends to find out if you can replicate the placebo effect's incredible results.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this activity your child will create their very own marble maze!

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.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

This science fair project teaches students about wilting and browning of salad greens.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.