SKIP TO CONTENT
Worksheet Generator
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
2nd - 4th Grade Science Resources for 'free'
Filters
Science
152 results
Search for: free
✕
Science
✕
2nd - 4th Grade
✕
Clear all
152 results
Subtopics:
Physical Science
Life Science
Earth and Space Science
Engineering and Science Inquiry
Show Less
Filters
Search for: free
✕
Science
✕
2nd - 4th Grade
✕
Subjects
Math
English Language Arts
Science
Social Studies
Technology
Grade Level
Pre-K
K
1st
2nd
3rd
4th
5th
6th
7th
8th
Early Childhood
Elementary School
Middle School
Resource Type
Worksheets
Lesson Plans
Activities
Offline Games
Common Core
Yes
Game Type
Word Puzzles
Word Search
Arts & Crafts
Arts & Crafts
Paper & Glue Crafts
Construction & Sculpture
Recipes
Sides
Clear all
View 152 results
2nd - 4th Grade Science Resources for 'free'
Filters
152 results
Search for: free
✕
Science
✕
2nd - 4th Grade
✕
Clear all
152 results
Cats & Dogs
Activity
Cats & Dogs
Third Grade
Engineering and Science Inquiry
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Activity
Cats & Dogs
Activity
Cats & Dogs
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Third Grade
Engineering and Science Inquiry
Activity
Ping Pong Ball Anemometer
Activity
Ping Pong Ball Anemometer
Fourth Grade
Engineering and Science Inquiry
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Activity
Ping Pong Ball Anemometer
Activity
Ping Pong Ball Anemometer
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Fourth Grade
Engineering and Science Inquiry
Activity
Temperature, Air Humidity and Static Electricity
Activity
Temperature, Air Humidity and Static Electricity
Fourth Grade
Engineering and Science Inquiry
What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.
Activity
Temperature, Air Humidity and Static Electricity
Activity
Temperature, Air Humidity and Static Electricity
What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.
Fourth Grade
Engineering and Science Inquiry
Activity
Magnetic Field Strength vs. Distance
Activity
Magnetic Field Strength vs. Distance
Second Grade
Engineering and Science Inquiry
How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.
Activity
Magnetic Field Strength vs. Distance
Activity
Magnetic Field Strength vs. Distance
How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.
Second Grade
Engineering and Science Inquiry
Activity
How to Separate Salt from Water
Activity
How to Separate Salt from Water
Third Grade
Physical Science
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Activity
How to Separate Salt from Water
Activity
How to Separate Salt from Water
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Third Grade
Physical Science
Activity
Star Clock
Activity
Star Clock
Third Grade
Engineering and Science Inquiry
In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!
Activity
Star Clock
Activity
Star Clock
In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!
Third Grade
Engineering and Science Inquiry
Activity
Floating Paper Clip
Activity
Floating Paper Clip
Second Grade
Engineering and Science Inquiry
In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.
Activity
Floating Paper Clip
Activity
Floating Paper Clip
In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.
Second Grade
Engineering and Science Inquiry
Activity
How Do Icicles Form?
Activity
How Do Icicles Form?
Third Grade
Measurement
How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.
Activity
How Do Icicles Form?
Activity
How Do Icicles Form?
How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.
Third Grade
Measurement
Activity
What Is an Algorithm?
Lesson Plan
What Is an Algorithm?
Second Grade
Engineering and Science Inquiry
In this lesson, students will learn to create a simple algorithm using block code. The platform used for this activity is a website created by Google that provides free educational games that teach students to program using block code.
Lesson Plan
What Is an Algorithm?
Lesson Plan
What Is an Algorithm?
In this lesson, students will learn to create a simple algorithm using block code. The platform used for this activity is a website created by Google that provides free educational games that teach students to program using block code.
Second Grade
Engineering and Science Inquiry
Lesson Plan
Build a Pyramid Parachute!
Worksheet
Build a Pyramid Parachute!
Fourth Grade
Physical Science
It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.
Worksheet
Build a Pyramid Parachute!
Worksheet
Build a Pyramid Parachute!
It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.
Fourth Grade
Physical Science
Worksheet
Habitats Word Search: Desert Animals
Worksheet
Habitats Word Search: Desert Animals
Third Grade
Life Science
Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.
Worksheet
Habitats Word Search: Desert Animals
Worksheet
Habitats Word Search: Desert Animals
Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.
Third Grade
Life Science
Worksheet
Habitats Word Search: Forest Animals
Worksheet
Habitats Word Search: Forest Animals
Third Grade
Life Science
Kids find forest animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.
Worksheet
Habitats Word Search: Forest Animals
Worksheet
Habitats Word Search: Forest Animals
Kids find forest animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.
Third Grade
Life Science
Worksheet
Habitats Word Search: Grassland Animals
Worksheet
Habitats Word Search: Grassland Animals
Third Grade
Life Science
Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.
Worksheet
Habitats Word Search: Grassland Animals
Worksheet
Habitats Word Search: Grassland Animals
Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.
Third Grade
Life Science
Worksheet
Design Challenge: Making a Parachute
Activity
Design Challenge: Making a Parachute
Third Grade
Engineering and Science Inquiry
In this design challenge, your child will create a parachute for a small toy using typical household items.
Activity
Design Challenge: Making a Parachute
Activity
Design Challenge: Making a Parachute
In this design challenge, your child will create a parachute for a small toy using typical household items.
Third Grade
Engineering and Science Inquiry
Activity
Habitats Word Search: Ocean Animals
Worksheet
Habitats Word Search: Ocean Animals
Third Grade
Life Science
In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.
Worksheet
Habitats Word Search: Ocean Animals
Worksheet
Habitats Word Search: Ocean Animals
In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.
Third Grade
Life Science
Worksheet
Habitats Word Search: Rainforest Animals
Worksheet
Habitats Word Search: Rainforest Animals
Third Grade
Life Science
Put your kid's observational skills to the test with this word search that will help her learn some of the animals that inhabit a rainforest.
Worksheet
Habitats Word Search: Rainforest Animals
Worksheet
Habitats Word Search: Rainforest Animals
Put your kid's observational skills to the test with this word search that will help her learn some of the animals that inhabit a rainforest.
Third Grade
Life Science
Worksheet
Habitats Word Search: Tundra Animals
Worksheet
Habitats Word Search: Tundra Animals
Third Grade
Life Science
In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.
Worksheet
Habitats Word Search: Tundra Animals
Worksheet
Habitats Word Search: Tundra Animals
In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.
Third Grade
Life Science
Worksheet
Scrambled Planet Names
Worksheet
Scrambled Planet Names
Third Grade
Physical Science
Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.
Worksheet
Scrambled Planet Names
Worksheet
Scrambled Planet Names
Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.
Third Grade
Physical Science
Worksheet
A Single Movable Pulley and Mechanical Advantage
Activity
A Single Movable Pulley and Mechanical Advantage
Fourth Grade
Engineering and Science Inquiry
Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.
Activity
A Single Movable Pulley and Mechanical Advantage
Activity
A Single Movable Pulley and Mechanical Advantage
Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.
Fourth Grade
Engineering and Science Inquiry
Activity
Design Challenge: Making a Water Slide
Activity
Design Challenge: Making a Water Slide
Third Grade
Engineering and Science Inquiry
Have your child kick off their summer vacation by making a miniature water slide!
Activity
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!
Third Grade
Engineering and Science Inquiry
Activity
Design Challenge: Building a Bridge
Activity
Design Challenge: Building a Bridge
Pre-K
Engineering and Science Inquiry
In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!
Activity
Design Challenge: Building a Bridge
Activity
Design Challenge: Building a Bridge
In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!
Pre-K
Engineering and Science Inquiry
Activity
Fizzy Water
Activity
Fizzy Water
Second Grade
Physical Science
Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.
Activity
Fizzy Water
Activity
Fizzy Water
Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.
Second Grade
Physical Science
Activity
Design Challenge: Egg Drop
Activity
Design Challenge: Egg Drop
Third Grade
Engineering and Science Inquiry
In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.
Activity
Design Challenge: Egg Drop
Activity
Design Challenge: Egg Drop
In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.
Third Grade
Engineering and Science Inquiry
Activity
Falling Objects Revisited
Activity
Falling Objects Revisited
Fourth Grade
Engineering and Science Inquiry
This science fair project idea discovers whether there are some objects that do not fall at a constant rate.
Activity
Falling Objects Revisited
Activity
Falling Objects Revisited
This science fair project idea discovers whether there are some objects that do not fall at a constant rate.
Fourth Grade
Engineering and Science Inquiry
Activity
Paper Airplanes
Activity
Paper Airplanes
Third Grade
Engineering and Science Inquiry
The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.
Activity
Paper Airplanes
Activity
Paper Airplanes
The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.
Third Grade
Engineering and Science Inquiry
Activity
Design Challenge: Making a Catapult
Activity
Design Challenge: Making a Catapult
Pre-K
Engineering and Science Inquiry
In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.
Activity
Design Challenge: Making a Catapult
Activity
Design Challenge: Making a Catapult
In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.
Pre-K
Engineering and Science Inquiry
Activity
E-Z Dye Fabrics
Activity
E-Z Dye Fabrics
Second Grade
Engineering and Science Inquiry
This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.
Activity
E-Z Dye Fabrics
Activity
E-Z Dye Fabrics
This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.
Second Grade
Engineering and Science Inquiry
Activity
How Long Will Your Trash Bag Live?
Activity
How Long Will Your Trash Bag Live?
Fourth Grade
Engineering and Science Inquiry
This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.
Activity
How Long Will Your Trash Bag Live?
Activity
How Long Will Your Trash Bag Live?
This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.
Fourth Grade
Engineering and Science Inquiry
Activity
Superhero Strength
Activity
Superhero Strength
Third Grade
Physical Science
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!
Activity
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!
Third Grade
Physical Science
Activity
Erosion
Activity
Erosion
Second Grade
Engineering and Science Inquiry
The project investigates how water and movement affects erosion.
Activity
Erosion
Activity
Erosion
The project investigates how water and movement affects erosion.
Second Grade
Engineering and Science Inquiry
Activity
1
2
3
4
5
6
