SKIP TO CONTENT
Worksheet Generator
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
Art Contest
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
Art Contest
Science Projects Resources for 'free' : Page 2
Filters
Science
Engineering and Science Inquiry
371 results
Search for: free
✕
Science
✕
Clear all
371 results
Subtopics:
Engineering Design
Science Projects
✕
The Scientific Method
Lab Safety and Equipment
Observations and Data Collection
Show Less
Filters
Search for: free
✕
Science
✕
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
Activities
Clear all
View 371 results
Science Projects Resources for 'free' : Page 2
Filters
371 results
Search for: free
✕
Science
✕
Clear all
371 results
Saline Solution vs. More Expensive Brands of Contact Lens Disinfectants
Activity
Saline Solution vs. More Expensive Brands of Contact Lens Disinfectants
Writing
Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.
Activity
Saline Solution vs. More Expensive Brands of Contact Lens Disinfectants
Activity
Saline Solution vs. More Expensive Brands of Contact Lens Disinfectants
Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.
Writing
Activity
Understanding Cars, Brakes, Friction and Gravity
Activity
Understanding Cars, Brakes, Friction and Gravity
Engineering and Science Inquiry
This project uses toy cars to determine how friction and gravity affect cars and braking.
Activity
Understanding Cars, Brakes, Friction and Gravity
Activity
Understanding Cars, Brakes, Friction and Gravity
This project uses toy cars to determine how friction and gravity affect cars and braking.
Engineering and Science Inquiry
Activity
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
Removing Wrinkles From Polyester
Activity
Removing Wrinkles From Polyester
Measurement
Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.
Activity
Removing Wrinkles From Polyester
Activity
Removing Wrinkles From Polyester
Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.
Measurement
Activity
How Do You Keep Guacamole From Turning Brown?
Activity
How Do You Keep Guacamole From Turning Brown?
Engineering and Science Inquiry
The objective of this science fair project is to understand how to stop the oxidation process from occurring in guacamole.
Activity
How Do You Keep Guacamole From Turning Brown?
Activity
How Do You Keep Guacamole From Turning Brown?
The objective of this science fair project is to understand how to stop the oxidation process from occurring in guacamole.
Engineering and Science Inquiry
Activity
How to Make the Perfect Shot in Basketball
Activity
How to Make the Perfect Shot in Basketball
Fifth Grade
Life Science
This basketball project explores the best way to make the perfect shot every time.
Activity
How to Make the Perfect Shot in Basketball
Activity
How to Make the Perfect Shot in Basketball
This basketball project explores the best way to make the perfect shot every time.
Fifth Grade
Life Science
Activity
Iterating Fractals
Activity
Iterating Fractals
Engineering and Science Inquiry
This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.
Activity
Iterating Fractals
Activity
Iterating Fractals
This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.
Engineering and Science Inquiry
Activity
Dehydrating Carrots
Activity
Dehydrating Carrots
Kindergarten
Engineering and Science Inquiry
Get a better understanding of water content by dehydrating carrots.
Activity
Dehydrating Carrots
Activity
Dehydrating Carrots
Get a better understanding of water content by dehydrating carrots.
Kindergarten
Engineering and Science Inquiry
Activity
Distilling Water
Activity
Distilling Water
Measurement
Science fair project that uses distillation to convert salt water into fresh water.
Activity
Distilling Water
Activity
Distilling Water
Science fair project that uses distillation to convert salt water into fresh water.
Measurement
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
Do Certain Physical and Mental Traits Run in the Family?
Activity
Do Certain Physical and Mental Traits Run in the Family?
Engineering and Science Inquiry
This science fair project idea explores whether certain physical and mental traits run in the family.
Activity
Do Certain Physical and Mental Traits Run in the Family?
Activity
Do Certain Physical and Mental Traits Run in the Family?
This science fair project idea explores whether certain physical and mental traits run in the family.
Engineering and Science Inquiry
Activity
Soda Eruption
Activity
Soda Eruption
Engineering and Science Inquiry
This science fair project what causes a soda eruption and what kinds of candy create this effect?
Activity
Soda Eruption
Activity
Soda Eruption
This science fair project what causes a soda eruption and what kinds of candy create this effect?
Engineering and Science Inquiry
Activity
Magic with Magnets
Activity
Magic with Magnets
Engineering and Science Inquiry
The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.
Activity
Magic with Magnets
Activity
Magic with Magnets
The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.
Engineering and Science Inquiry
Activity
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Activity
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Kindergarten
Measurement
Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!
Activity
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Activity
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!
Kindergarten
Measurement
Activity
Relationship Between the Distance and Time of a Falling Object
Activity
Relationship Between the Distance and Time of a Falling Object
Engineering and Science Inquiry
In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.
Activity
Relationship Between the Distance and Time of a Falling Object
Activity
Relationship Between the Distance and Time of a Falling Object
In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.
Engineering and Science Inquiry
Activity
Efficient Solar Energy
Activity
Efficient Solar Energy
Engineering and Science Inquiry
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Activity
Efficient Solar Energy
Activity
Efficient Solar Energy
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Engineering and Science Inquiry
Activity
Are Artificial Sweeteners as Sweet as Real Sugar?
Activity
Are Artificial Sweeteners as Sweet as Real Sugar?
Engineering and Science Inquiry
This project examines whether sugar substitutes are as sweet as real sugar.
Activity
Are Artificial Sweeteners as Sweet as Real Sugar?
Activity
Are Artificial Sweeteners as Sweet as Real Sugar?
This project examines whether sugar substitutes are as sweet as real sugar.
Engineering and Science Inquiry
Activity
The Influence of Latitude on Music
Activity
The Influence of Latitude on Music
Engineering and Science Inquiry
This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.
Activity
The Influence of Latitude on Music
Activity
The Influence of Latitude on Music
This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.
Engineering and Science Inquiry
Activity
How Many People Will Notice A Slightly Rigged Game Of Chance?
Activity
How Many People Will Notice A Slightly Rigged Game Of Chance?
Engineering and Science Inquiry
This science fair project determines whether most people will notice that a game of chance is very slightly rigged.
Activity
How Many People Will Notice A Slightly Rigged Game Of Chance?
Activity
How Many People Will Notice A Slightly Rigged Game Of Chance?
This science fair project determines whether most people will notice that a game of chance is very slightly rigged.
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
Rate of Diffusion
Activity
Rate of Diffusion
Engineering and Science Inquiry
Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.
Activity
Rate of Diffusion
Activity
Rate of Diffusion
Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.
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
Investigating the Influence of Packaging on Children
Activity
Investigating the Influence of Packaging on Children
Engineering and Science Inquiry
This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.
Activity
Investigating the Influence of Packaging on Children
Activity
Investigating the Influence of Packaging on Children
This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.
Engineering and Science Inquiry
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
Does Having a Religious Sleeping Schedule Mean Better IQ?
Activity
Does Having a Religious Sleeping Schedule Mean Better IQ?
Engineering and Science Inquiry
This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.
Activity
Does Having a Religious Sleeping Schedule Mean Better IQ?
Activity
Does Having a Religious Sleeping Schedule Mean Better IQ?
This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.
Engineering and Science Inquiry
Activity
Does Cold Water Boil Faster than Warm Water?
Activity
Does Cold Water Boil Faster than Warm Water?
Measurement
This science project idea determines whether cold water boils faster than warm water.
Activity
Does Cold Water Boil Faster than Warm Water?
Activity
Does Cold Water Boil Faster than Warm Water?
This science project idea determines whether cold water boils faster than warm water.
Measurement
Activity
Optical Illusions
Activity
Optical Illusions
Kindergarten
Engineering and Science Inquiry
Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.
Activity
Optical Illusions
Activity
Optical Illusions
Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.
Kindergarten
Engineering and Science Inquiry
Activity
Go Organic or Not?
Activity
Go Organic or Not?
Engineering and Science Inquiry
Science fair project that tests whether cats have a preference for organic food.
Activity
Go Organic or Not?
Activity
Go Organic or Not?
Science fair project that tests whether cats have a preference for organic food.
Engineering and Science Inquiry
Activity
Oh, Say Can You See the Vitamin C?
Activity
Oh, Say Can You See the Vitamin C?
Fourth Grade
Engineering and Science Inquiry
In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.
Activity
Oh, Say Can You See the Vitamin C?
Activity
Oh, Say Can You See the Vitamin C?
In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.
Fourth Grade
Engineering and Science Inquiry
Activity
1
2
3
4
…
13