Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

In this science fair project, students make their own rain gauge to measure rainfall.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Is your child a young ornithologist in the making?

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

Make a spring collage with your child to get them outside and those creative juices flowing!

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.