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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.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

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.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

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.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

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.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

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.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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

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.