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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.

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.

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.

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.

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.