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

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.

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!

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.

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.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

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 clay "painting" activity encourages and supports creative development and critical thinking skills.

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

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

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.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

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

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

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.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

In this project, waves of vibrations are experimented with using water in glasses.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Challenge your learner to design and build a city of their own in this creative engineering activity.