In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

This science fair project idea produces sounds by creating vibrations using different objects.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

This project determines what category of person is most likely to be ticklish.

Examine the effect of pressure on carbonation in soda.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!