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

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

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

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

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

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

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:

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

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

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

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

This science fair project idea investigates food preference of birds.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

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

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

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

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!

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

Determine how good we are at direct and indirect observation.

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

This activity allows your kindergartener to translate what they observe into a beautiful poem.

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

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

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