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.

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

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

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

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

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

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

This preschool activity uses paint chips to help your child learn about different shades of colors and how to find different colors in nature.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Make these homemade shell fossils and introduce your child to the wonders of science!

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

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!

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

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

This tactile activity helps kindergarteners learn about texture.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

This fun and crafty activity is easy enough for your child to lend a helping hand and makes a great indoor or outdoor game.

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

Discover the wonders of simple clay by pressing flowers into a modeling medium!

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.