Third Grade Science Activities and Experiments

111 filtered results
111 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
Superhero Strength
Superhero Strength
Activity
Superhero Strength
This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!
3rd grade
Science
Activity
Make a Water Magnifier!
Make a Water Magnifier!
Activity
Make a Water Magnifier!
Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water
3rd grade
Science
Activity
Using a Compass
Using a Compass
Activity
Using a Compass
Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.
3rd grade
Science
Activity
Outdoor Adventures
Outdoor Adventures
Activity
Outdoor Adventures
Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!
3rd grade
Science
Activity
What Doesn't Belong? A Categorization Game
What Doesn't Belong? A Categorization Game
Activity
What Doesn't Belong? A Categorization Game
This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.
3rd grade
Science
Activity
Make Homemade Glue!
Make Homemade Glue!
Activity
Make Homemade Glue!
This surprisingly good glue recipe comes from common kitchen items.
3rd grade
Science
Activity
Making Rain
Making Rain
Activity
Making Rain
Help your kindergarten science maven explore the water cycle without getting everything wet.
3rd grade
Science
Activity
Easter Egg Designs
Easter Egg Designs
Activity
Easter Egg Designs
Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.
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
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 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
Watering Can Craft
Watering Can Craft
Activity
Watering Can Craft
This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.
3rd grade
Science
Activity
The Science of Sound
The Science of Sound
Activity
The Science of Sound
What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.
3rd grade
Science
Activity
Grow Salt Crystals!
Grow Salt Crystals!
Activity
Grow Salt Crystals!
Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.
3rd grade
Science
Activity
How Old is That Tree?
How Old is That Tree?
Activity
How Old is That Tree?
Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!
3rd grade
Science
Activity
Take Science Home with Decomposition
Take Science Home with Decomposition
Activity
Take Science Home with Decomposition
Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!
3rd grade
Science
Activity
Clay Landscape
Clay Landscape
Activity
Clay Landscape
This clay "painting" activity encourages and supports creative development and critical thinking skills.
3rd grade
Science
Activity
Everyday Darwin: Create a Nature Journal
Everyday Darwin: Create a Nature Journal
Activity
Everyday Darwin: Create a Nature Journal
In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.
3rd grade
Science
Activity
Nice Shades! How Light and Color Affect Sight
Nice Shades! How Light and Color Affect Sight
Activity
Nice Shades! How Light and Color Affect Sight
Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!
3rd grade
Science
Activity
Design a Floating Cork Boat
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
Halloween Decorations: Make Ghouly Hands!
Halloween Decorations: Make Ghouly Hands!
Activity
Halloween Decorations: Make Ghouly Hands!
Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.
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.