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Third Grade Physical Science Activities

Third grade physical science activities take science concepts that kids learn in the classroom and put it into practice! These fun science projects for third graders include a range of concepts, from air pressure and sound to chemistry and color theory. Browse the complete collection of third grade science activities for more fun science education on a wide range of topics.

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Current Filters (40 results): 40 filtered results
3rd grade
Physical Science
Current Filters (40 results): 40 filtered results
3rd grade
Physical Science
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Spinning Color Wheel
Activity
Spinning Color Wheel
Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!
3rd grade
Science
Activity
Bending Light Experiment
Activity
Bending Light Experiment
If your science savy third grader is up for a challenge, let her bend light with a casserole dish!
3rd grade
Science
Activity
Helicopter Seeds
Activity
Helicopter Seeds
Take to the air with science by experimenting with helicopter seeds right in your own backyard!
3rd grade
Science
Activity
DIY Pinwheels
Activity
DIY Pinwheels
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!
3rd grade
Science
Activity
Sound and Vibration
Activity
Sound and Vibration
Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.
3rd grade
Science
Activity
Balloon Trick
Activity
Balloon Trick
Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!
3rd grade
Science
Activity
Static Electricity Comb
Activity
Static Electricity Comb
Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!
3rd grade
Science
Activity
Triboluminescence Experiment
Activity
Triboluminescence Experiment
Stir up some enthusiasm for experimentation with this candy-cracking science experiment!
3rd grade
Science
Activity
Homemade Submarine
Activity
Homemade Submarine
Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.
3rd grade
Science
Activity
Pop Bottle Science
Activity
Pop Bottle Science
Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!
3rd grade
Science
Activity
Homemade Barometer
Activity
Homemade Barometer
This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.
3rd grade
Science
Activity
Play Forensic Flashlight Tricks
Activity
Play Forensic Flashlight Tricks
Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.
3rd grade
Science
Activity
Make a CSI Kit
Activity
Make a CSI Kit
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!
3rd grade
Science
Activity
Make a Keyhole Spy Glass
Activity
Make a Keyhole Spy Glass
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!
3rd grade
Science
Activity
Make a Handwriting Analysis!
Activity
Make a Handwriting Analysis!
Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!
3rd grade
Science
Activity
Design a Floating Cork Boat
Activity
Design a Floating Cork Boat
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?
3rd grade
Science
Activity
Make Homemade Glue!
Activity
Make Homemade Glue!
This surprisingly good glue recipe comes from common kitchen items.
3rd grade
Science
Activity
Make Your Own Marshmallows
Activity
Make Your Own Marshmallows
Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!
3rd grade
Science
Activity
Sunscreen Experiment
Activity
Sunscreen Experiment
When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.
3rd grade
Science
Activity
Balloon Air Pressure Magic
Activity
Balloon Air Pressure Magic
Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.
3rd grade
Science
Activity
Make a Paper Helicopter
Activity
Make a Paper Helicopter
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.
3rd grade
Science
Activity
Build a Popsicle Stick Bridge
Activity
Build a Popsicle Stick Bridge
Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.
3rd grade
Science
Activity
Make a Balloon Stick to the Wall Like "Magic"
Activity
Make a Balloon Stick to the Wall Like "Magic"
Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.
3rd grade
Science
Activity
Test the Power of Baking Powder
Activity
Test the Power of Baking Powder
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!
3rd grade
Science
Activity
Measure the Moon
Activity
Measure the Moon
Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.
3rd grade
Science
Activity

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