For some good "green" fun, pull out your blender. A spinach smoothie?! You better believe it! And kids will not only slurp it up, they"ll beg for seconds.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Rid your family of that pile of old Christmas cards once and for all! Show your child how to create a nifty 8-sided ornament using his favorite holiday images.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This activity is a great way to engage learners in Earth Day celebrations while cultivating skills around nonfiction comprehension and research writing.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Help your fourth grader make a homemade recipe book that's eye-catching, simple to construct and perfect for holding all of her favorite recipes!

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

To help your child shake the big number blues, here's a handy strategy to make your child a place value pro!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

In this activity, your child will write a poem recognizing and appreciating the beauty inherent in diversity.

Take a stab at 18th century American cooking with your kids by following this tasty recipe from one of the first colonial cookbooks.

Use familiar household items and decorations to turn estimation into a fun game!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

The goal of this project is to create an exciting topographical map out of dough.

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.

In this activity, your child will reflect on and write a story about a person who has embodied integrity and honesty in their life.

In this activity, your child will reference Matisse and also learn about patterns.

As Mother's Day approaches, everyone's grateful! Let your third grader assemble this special book with words from the whole family.

Learn to recognize symmetry by playing this game! The more you play, the better you'll get at recognizing this special characteristic many playing cards have.

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

This zombie shirt is a fun and incredibly simple Halloween costume. Have your kid don the shirt lurch around the neighborhood searching for brains...or candy!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.