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.

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

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

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

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

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 investigates food preference of birds.

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

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

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

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

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

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!

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!

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

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

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.

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

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

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

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

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

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

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.

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

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

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

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