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.

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.

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

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.

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

This science fair project idea investigates food preference of birds.

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

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

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

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!

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

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

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

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.

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

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

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.

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

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.

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 science fair project idea investigates the hardness property of minerals.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!