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Third Grade Physical Science Activities

Third Grade Physical Science activities to help show your child the fun side of learning! From easy third grade physical science activities to more advanced, we've got you covered!

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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?
Third Grade
Physical Science
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.
Third Grade
Physical Science
Making your own glass cleaner is easy, effective and inexpensive!
Third Grade
Physical Science
Get your sense of humor ready for this third grade science experiment, which demonstrates fundamental physics of air pressure.
Third Grade
Physical Science
Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.
Third Grade
Physical Science
Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!
Third Grade
Physical Science
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!
Third Grade
Physical Science
Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water
Third Grade
Physical Science
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!
Third Grade
Physical Science
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.
Third Grade
Physical Science
What causes sound? Hereâs a quick and easy science experiment that helps to add a visual element to the science of sound.
Third Grade
Physical Science
Try the classic balloon-on-wall trick with your kids and watch static electricity in action.
Third Grade
Physical Science
Encourage your child to learn about air pressure by helping him devise his own squirt gun with a water bottle.
Third Grade
Physical Science
Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!
Third Grade
Physical Science

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