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 weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

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.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

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.

Help your child make a beautiful homemade sandcastle that will last!

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!

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

This tactile activity helps kindergarteners learn about texture.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

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