Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

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.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

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 activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Encourage imagination and creativity with this magical craft that lets your child make and design his very own dragon egg.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

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

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

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Does your second grader want to learn a magic trick? Here is a simple trick using only 3 dice and a little bit of addition and subtraction.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

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.

Use empty soda bottles to create a fun bowling set that helps your first grader practice addition skills!

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This Halloween math activity book is a whole lot of fun.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Do a little kitchen chemistry as you make your own bubble solution and bubble-wand shapes!

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

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

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.

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.