Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This science fair project idea explores how length affects the weight a bridge can hold.

Learn all about balance and motion as your child designs a corn maze!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

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

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

The objective of this science project is to determine the length of time for different seeds to germinate.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project teaches students about wilting and browning of salad greens.