Third Grade Physical Science Activities

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

This surprisingly good glue recipe comes from common kitchen items.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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.

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends pennies flying.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

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

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!