Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea investigates the hardness property of minerals.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

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

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

Making your own glass cleaner is easy, effective and inexpensive!

In this project students experiment with making music using only glasses of water.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science project teaches students to classify different shapes of leaves.