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.

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

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

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