This science experiment tests whether warm or cold water works best in making cut flowers last longer.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Help your first grader design and create his very own bird feeder out of an empty milk carton.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Make a lei and bring a touch of the tropical lifestyle into your home!

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

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

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

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

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.