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.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

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

Help your first grader design and create his very own bird feeder out of an empty milk carton.

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.