Third Grade Science Activities and Experiments

111 filtered results
111 filtered results
3rd grade
Science
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Bounce an Egg
Bounce an Egg
Activity
Bounce an Egg
Explore scientific concepts with this experiment that introduces kids to the scientific method!
3rd grade
Science
Activity
Sense of Smell Activity
Sense of Smell Activity
Activity
Sense of Smell Activity
Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.
3rd grade
Science
Activity
Make a CSI Kit
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 Your Own Glass Cleaner
Make Your Own Glass Cleaner
Activity
Make Your Own Glass Cleaner
Making your own glass cleaner is easy, effective and inexpensive!
3rd grade
Science
Activity
Make a Keyhole Spy Glass
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 Your Own Soap
Make Your Own Soap
Activity
Make Your Own Soap
Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.
3rd grade
Science
Activity
DIY Pinwheels
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
Alfalfa Friends
Alfalfa Friends
Activity
Alfalfa Friends
Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!
3rd grade
Science
Activity
Spinning Color Wheel
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
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
Button Launcher
Button Launcher
Activity
Button Launcher
Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.
3rd grade
Science
Activity
Cucumber Carving
Cucumber Carving
Activity
Cucumber Carving
Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.
3rd grade
Science
Activity
Marble Physics
Marble Physics
Activity
Marble Physics
Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!
3rd grade
Science
Activity
Sound and Vibration
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
Temporary Art
Temporary Art
Activity
Temporary Art
Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?
3rd grade
Science
Activity
Osmotic Pressure Experiment
Osmotic Pressure Experiment
Activity
Osmotic Pressure Experiment
Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!
3rd grade
Science
Activity
Triboluminescence Experiment
Triboluminescence Experiment
Activity
Triboluminescence Experiment
Stir up some enthusiasm for experimentation with this candy-cracking science experiment!
3rd grade
Science
Activity
Vinegar and Baking Soda Balloon
Vinegar and Baking Soda Balloon
Activity
Vinegar and Baking Soda Balloon
Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!
3rd grade
Science
Activity
Soda Bottle Bird Feeder
Soda Bottle Bird Feeder
Activity
Soda Bottle Bird Feeder
Is your child a young ornithologist in the making?
3rd grade
Science
Activity
DIY Bird Nest
DIY Bird Nest
Activity
DIY Bird Nest
Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.
3rd grade
Science
Activity
Dog Massage
Dog Massage
Activity
Dog Massage
Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.
3rd grade
Science
Activity
Balloon Trick
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
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
How to Press Flowers
How to Press Flowers
Activity
How to Press Flowers
April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!
3rd grade
Science
Activity
Helicopter Seeds
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

Third Grade Science Activities and Experiments

Our free, hands-on third grade science activities and experiments are the perfect way to empower third graders to learn cool stuff and think critically about the world around them. For more in-depth science projects, take a look at the Science Fair Project Ideas section of the site.