Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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!

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

This science fair project idea demonstrates sonar mapping of the ocean floor.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea produces varying pitches of sound.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!