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

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 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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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.

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 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!

Make a backbone model to explore human anatomy and life science.

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

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.

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.

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.

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.

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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.