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.

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.

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?

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 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.

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

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

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

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!

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

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

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.

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

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!

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

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

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

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

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

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.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.