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

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

This science fair project idea investigates food preference of birds.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?