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.

Summer is a great time to work on pre-kindergarten skills that will serve your child well in her first year at school, while having some fun in the sun!

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

In this experiment, your middle schooler will chart the effects of oil on a feather in order to grasp the tragic effects of oil spills on wildlife.

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

Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!

Here's how you and your teen can stage your own formal debateâbeyond arguing why chores are unethical! Formal debates improve teens' critical thinking skills.

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!

Show your preschooler how to create a simple windsock using a colorful piece of tissue paper, a pipe cleaner, and yarn.

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.

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

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

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.

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

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

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

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.

Test your skills as a weather forecaster, and learn some science terms on the way!