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Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science fair project idea determines the probability of a coin landing heads or tails.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Have your child kick off their summer vacation by making a miniature water slide!

In this design challenge, your child will make a bottle rocket using typical household items.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project idea identifies trees using a dichotomous key.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

The purpose of this science fair project is to build a basic radio.

Science fair project that determines whether mass and weight are the same or different.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.