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.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Make an edible play dough with your child to help her develop her sensory and motor skills.

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

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

This science fair project idea investigates food preference of birds.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

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

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

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

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

This science fair project examines whether ocean water can be made safe to drink.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

The objective of this science project is to investigate patterns in fingerprints among family members.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

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!

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

This science fair project idea produces sounds by creating vibrations using different objects.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.