Third Grade Science Activities and Experiments

108 filtered results
108 filtered results
3rd grade
Science
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Homemade Submarine
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
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
Make Your Own Cloud!
Make Your Own Cloud!
Activity
Make Your Own Cloud!
Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!
3rd grade
Science
Activity
Make Your Own Marshmallows
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
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
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 Rose Petal Beads
Make Rose Petal Beads
Activity
Make Rose Petal Beads
Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!
3rd grade
Science
Activity
Make Spider Web Art!
Make Spider Web Art!
Activity
Make Spider Web Art!
This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.
3rd grade
Science
Activity
Scent Science and Cinnamon Rolls
Scent Science and Cinnamon Rolls
Activity
Scent Science and Cinnamon Rolls
Explore aromas with your child and help boost her brain power with some fun and interactive science activities.
3rd grade
Science
Activity
Bake Chocolate Volcano Cupcakes!
Bake Chocolate Volcano Cupcakes!
Activity
Bake Chocolate Volcano Cupcakes!
Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."
3rd grade
Science
Activity
Homemade Barometer
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
Backyard Archeology
Backyard Archeology
Activity
Backyard Archeology
This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.
3rd grade
Science
Activity
Hatch Your Own Praying Mantises
Hatch Your Own Praying Mantises
Activity
Hatch Your Own Praying Mantises
Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.
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
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
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
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
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
Dinosaur Skeleton Hunt
Dinosaur Skeleton Hunt
Activity
Dinosaur Skeleton Hunt
Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.
3rd grade
Science
Activity
Make Gak: Experiment with Polymers
Make Gak: Experiment with Polymers
Activity
Make Gak: Experiment with Polymers
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.
3rd grade
Science
Activity
Andrew Goldsworthy Art
Andrew Goldsworthy Art
Activity
Andrew Goldsworthy Art
Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!
3rd grade
Science
Activity
Pressed Flower Cards
Pressed Flower Cards
Activity
Pressed Flower Cards
If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!
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

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.