Third Grade Science Activities and Experiments

111 filtered results
111 filtered results
3rd grade
Science
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Orange Bird Feeder
Orange Bird Feeder
Activity
Orange Bird Feeder
Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.
3rd grade
Science
Activity
Make a Paper Helicopter
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
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
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
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
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
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
Make a Balloon Stick to the Wall Like "Magic"
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
Create a Constellation
Create a Constellation
Activity
Create a Constellation
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.
3rd grade
Science
Activity
Design a Great Glass Xylophone!
Design a Great Glass Xylophone!
Activity
Design a Great Glass Xylophone!
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.
3rd grade
Science
Activity
Test Your Tongue: Are Strawberries Sweet or Sour?
Test Your Tongue: Are Strawberries Sweet or Sour?
Activity
Test Your Tongue: Are Strawberries Sweet or Sour?
Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!
3rd grade
Science
Activity
Do-It-Yourself Solar Eclipse!
Do-It-Yourself Solar Eclipse!
Activity
Do-It-Yourself Solar Eclipse!
Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!
3rd grade
Science
Activity
Keep a Candle Burning Underwater!
Keep a Candle Burning Underwater!
Activity
Keep a Candle Burning Underwater!
Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.
3rd grade
Science
Activity
Test the Power of Baking Powder
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
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
Explore Christmas Tree Science
Explore Christmas Tree Science
Activity
Explore Christmas Tree Science
This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!
3rd grade
Science
Activity
Discover Christmas Smells and Memories
Discover Christmas Smells and Memories
Activity
Discover Christmas Smells and Memories
Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.
3rd grade
Science
Activity
Play Whistle Hide-and-Seek
Play Whistle Hide-and-Seek
Activity
Play Whistle Hide-and-Seek
Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.
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
Spring Party Ideas
Spring Party Ideas
Activity
Spring Party Ideas
What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!
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
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

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.