Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea explores the different properties of matter.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

This easy at-home experiment is a great way to "see" science.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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