Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Find out whether matching resonant frequencies can cause objects to shatter.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

An home science experiment for older students that teaches about the science behind heat.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.