Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

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.

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Practice measurement using centimeters in this fun math race designed for your second grade student!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

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

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."