Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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.

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.

In this project, different brands of microwave popcorn are tested and compared.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea determines which method of hand cleansing is the most effective.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea investigates the difference in reaction times between boys and girls.

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!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This biodiversity project examines the biodiversity in your own backyard.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!