Third Grade Science Activities and Experiments

107 filtered results
107 filtered results
3rd grade
Science
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Design Challenge: Inflate a Balloon
Design Challenge: Inflate a Balloon
Activity
Design Challenge: Inflate a Balloon
In this exciting design challenge, your child will use design thinking skills to find a solution that can inflate a balloon.
3rd grade
Science
Activity
Design Challenge: Egg Drop
Design Challenge: Egg Drop
Activity
Design Challenge: Egg Drop
In this activity, your child will be challenged to create a contraption that protects an egg when it is dropped from a height of about 10 feet.
3rd grade
Science
Activity
Design Challenge: Making a Bottle Rocket
Design Challenge: Making a Bottle Rocket
Activity
Design Challenge: Making a Bottle Rocket
In this design challenge, your child will make a bottle rocket using typical household items.
3rd grade
Science
Activity
Design Challenge: Making a Parachute
Design Challenge: Making a Parachute
Activity
Design Challenge: Making a Parachute
In this design thinking activity, your child will create a parachute for a small toy using typical household items.
3rd grade
Science
Activity
Make an Exploding Pumpkin
Make an Exploding Pumpkin
Activity
Make an Exploding Pumpkin
Learn all about cause and effect as your child experiments with an exploding pumpkin in this engaging fall activity! Get the whole family involved with this simple science experiment that is a fun and exciting way to combine Halloween and science.
3rd grade
Science
Activity
Design Challenge: Making a Water Slide
Design Challenge: Making a Water Slide
Activity
Design Challenge: Making a Water Slide
Have your child kick off their summer vacation by making a miniature water slide!
3rd grade
Science
Activity
Design Challenge: Making a Solar Oven
Design Challenge: Making a Solar Oven
Activity
Design Challenge: Making a Solar Oven
In this fun activity, your child will create their very own solar oven to bake cookies or s'mores!
3rd grade
Science
Activity
Design Challenge: Gumdrop Structures
Design Challenge: Gumdrop Structures
Activity
Design Challenge: Gumdrop Structures
In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.
3rd grade
Science
Activity
Test Kitchen: Spoons
Test Kitchen: Spoons
Activity
Test Kitchen: Spoons
In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.
3rd grade
Science
Activity
Learning Why and How to Compost
Learning Why and How to Compost
Activity
Learning Why and How to Compost
Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.
3rd grade
Science
Activity
Design Challenge: Make a Rube Goldberg Machine
Design Challenge: Make a Rube Goldberg Machine
Activity
Design Challenge: Make a Rube Goldberg Machine
In this hands-on design challenge your child will make their very own Rube Goldberg Machine.
3rd grade
Science
Activity
Robot Dance Party
Robot Dance Party
Activity
Robot Dance Party
This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.
3rd grade
Science
Activity
Design Challenge: Marble Labyrinths
Design Challenge: Marble Labyrinths
Activity
Design Challenge: Marble Labyrinths
In this activity your child will create their very own marble maze!
3rd grade
Science
Activity
Building Brick Challenge: Make a Tic-Tac-Toe Grid
Building Brick Challenge: Make a Tic-Tac-Toe Grid
Activity
Building Brick Challenge: Make a Tic-Tac-Toe Grid
In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.
3rd grade
Science
Activity
Halloween STEM Building Challenge
Halloween STEM Building Challenge
Activity
Halloween STEM Building Challenge
The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.
3rd grade
Science
Activity
Reuse Markers to Create Liquid Watercolors
Reuse Markers to Create Liquid Watercolors
Activity
Reuse Markers to Create Liquid Watercolors
Teach children how to upcycle dried-out markers with this homemade paint-making activity!
3rd grade
Science
Activity
Design and Build a City
Design and Build a City
Activity
Design and Build a City
Challenge your learner to design and build a city of their own in this creative engineering activity.
3rd grade
Science
Activity
Build a Tunnel
Build a Tunnel
Activity
Build a Tunnel
In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.
3rd grade
Science
Activity
Explore Soil Erosion
Explore Soil Erosion
Activity
Explore Soil Erosion
Learners hypothesize about and experiment with soil erosion in this hands-on activity.
3rd grade
Science
Activity
Design Challenge: Creating Animal Habitats
Design Challenge: Creating Animal Habitats
Activity
Design Challenge: Creating Animal Habitats
In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.
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
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
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
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
Make a Fistful of Slime!
Make a Fistful of Slime!
Activity
Make a Fistful of Slime!
Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.
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.