Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Is it a square or a circle? See if you can trick your friends with this zany science project!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This activity is a fun challenge for students who have just started learning to program educational robots.

Find out which kind of bubble wrap fares best when put in impact.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

The objective of this science project is to determine the length of time for different seeds to germinate.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!