Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

This project examines whether people's taste perception is influenced by what they see.

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

This science fair project idea investigates how the shape of an object affects drag.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project idea explores the egg's thin membrane.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

In this project, waves of vibrations are experimented with using water in glasses.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.