This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

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!

This classic children's game demonstrates how sound travels through air vs. through a solid.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

This project investigates the affect of storage temperature on microwave popcorn.

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!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

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.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

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

Use sticks and stones to create create an outdoor version of tic-tac-toe!

The objective of this science fair project is to investigate salt water density.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?