The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

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 can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.

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!

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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