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
Engineering and Science Inquiry Resources for 'free'
Filters
Science
Engineering and Science Inquiry
391 results
Search for: free
✕
Science
✕
Clear all
391 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
Lesson Plans
Activities
Common Core
Yes
Clear all
View 391 results
Engineering and Science Inquiry Resources for 'free'
Filters
391 results
Search for: free
✕
Science
✕
Clear all
391 results
Free Falling
Activity
Free Falling
Engineering and Science Inquiry
Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.
Activity
Free Falling
Activity
Free Falling
Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.
Engineering and Science Inquiry
Activity
Does Practice Make Perfect?
Activity
Does Practice Make Perfect?
Life Science
This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.
Activity
Does Practice Make Perfect?
Activity
Does Practice Make Perfect?
This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.
Life Science
Activity
How to Cut an Onion Without Crying
Activity
How to Cut an Onion Without Crying
Engineering and Science Inquiry
This science fair project researches the most effective method to cut an onion and stay tear-free.
Activity
How to Cut an Onion Without Crying
Activity
How to Cut an Onion Without Crying
This science fair project researches the most effective method to cut an onion and stay tear-free.
Engineering and Science Inquiry
Activity
Is It Better To Refrigerate Or Freeze To Prevent Bacteria On Foods?
Activity
Is It Better To Refrigerate Or Freeze To Prevent Bacteria On Foods?
Measurement
Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.
Activity
Is It Better To Refrigerate Or Freeze To Prevent Bacteria On Foods?
Activity
Is It Better To Refrigerate Or Freeze To Prevent Bacteria On Foods?
Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.
Measurement
Activity
Creating a Website to Promote the Value of Science
Activity
Creating a Website to Promote the Value of Science
Engineering and Science Inquiry
This project involves the development of a website using free software online to promote the value of science.
Activity
Creating a Website to Promote the Value of Science
Activity
Creating a Website to Promote the Value of Science
This project involves the development of a website using free software online to promote the value of science.
Engineering and Science Inquiry
Activity
Bubbly Plants
Activity
Bubbly Plants
Engineering and Science Inquiry
Free science fair project idea examining how different types of water affect plant germination and growth.
Activity
Bubbly Plants
Activity
Bubbly Plants
Free science fair project idea examining how different types of water affect plant germination and growth.
Engineering and Science Inquiry
Activity
Dirty Composition
Activity
Dirty Composition
Engineering and Science Inquiry
This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.
Activity
Dirty Composition
Activity
Dirty Composition
This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.
Engineering and Science Inquiry
Activity
In a Lather: Do Suds Matter?
Activity
In a Lather: Do Suds Matter?
Engineering and Science Inquiry
Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?
Activity
In a Lather: Do Suds Matter?
Activity
In a Lather: Do Suds Matter?
Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?
Engineering and Science Inquiry
Activity
Defying Gravity
Activity
Defying Gravity
Engineering and Science Inquiry
Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.
Activity
Defying Gravity
Activity
Defying Gravity
Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.
Engineering and Science Inquiry
Activity
How to Make a Solar Oven
Activity
How to Make a Solar Oven
Engineering and Science Inquiry
Check out this cool and free middle school science fair project idea on how to make a solar oven.
Activity
How to Make a Solar Oven
Activity
How to Make a Solar Oven
Check out this cool and free middle school science fair project idea on how to make a solar oven.
Engineering and Science Inquiry
Activity
Air Pollution
Activity
Air Pollution
Measurement
Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.
Activity
Air Pollution
Activity
Air Pollution
Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.
Measurement
Activity
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
Foucault Pendulum and the Coriolis Effect
Activity
Foucault Pendulum and the Coriolis Effect
Engineering and Science Inquiry
Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.
Activity
Foucault Pendulum and the Coriolis Effect
Activity
Foucault Pendulum and the Coriolis Effect
Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.
Engineering and Science Inquiry
Activity
Flexibility & Age
Activity
Flexibility & Age
Engineering and Science Inquiry
Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.
Activity
Flexibility & Age
Activity
Flexibility & Age
Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.
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
Ergonomics
Activity
Ergonomics
Engineering and Science Inquiry
Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.
Activity
Ergonomics
Activity
Ergonomics
Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.
Engineering and Science Inquiry
Activity
Do Phases of the Moon Affect Circadian Patterns in Mammals?
Activity
Do Phases of the Moon Affect Circadian Patterns in Mammals?
Engineering and Science Inquiry
The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.
Activity
Do Phases of the Moon Affect Circadian Patterns in Mammals?
Activity
Do Phases of the Moon Affect Circadian Patterns in Mammals?
The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.
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
To Cheat or Not to Cheat
Activity
To Cheat or Not to Cheat
Writing
Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.
Activity
To Cheat or Not to Cheat
Activity
To Cheat or Not to Cheat
Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.
Writing
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
What Direction Should Solar Panels Face?
Activity
What Direction Should Solar Panels Face?
Measurement
What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.
Activity
What Direction Should Solar Panels Face?
Activity
What Direction Should Solar Panels Face?
What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.
Measurement
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
Digging in the Dark
Activity
Digging in the Dark
Fifth Grade
Engineering and Science Inquiry
Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.
Activity
Digging in the Dark
Activity
Digging in the Dark
Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.
Fifth Grade
Engineering and Science Inquiry
Activity
Electrolysis of Water Experiment
Activity
Electrolysis of Water Experiment
Engineering and Science Inquiry
In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.
Activity
Electrolysis of Water Experiment
Activity
Electrolysis of Water Experiment
In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.
Engineering and Science Inquiry
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
No Electricity? No Problem!
Activity
No Electricity? No Problem!
Engineering and Science Inquiry
Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.
Activity
No Electricity? No Problem!
Activity
No Electricity? No Problem!
Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.
Engineering and Science Inquiry
Activity
Building a Better Battery
Activity
Building a Better Battery
Engineering and Science Inquiry
Examine how a battery can be made from everyday materials.
Activity
Building a Better Battery
Activity
Building a Better Battery
Examine how a battery can be made from everyday materials.
Engineering and Science Inquiry
Activity
1
2
3
4
…
14
