In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Make edible amber fossils with your second grader to explore the fascinating world of science!

In this science fair project you will make a model of a cell membrane using very simple material.

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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!

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

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

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

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