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.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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

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

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Help your child make a beautiful homemade sandcastle that will last!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

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.

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.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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