Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

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

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Make sourdough bread...and learn some colonial history and modern science in the process!

This science fair project idea experiments with spinning color wheels and optical illusions.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

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.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

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

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

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