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
All Subjects
Science
Engineering and Science Inquiry
Subtopics:
Engineering Design
Science Projects
Show Less
Filters
Search for: within, 25, and, rectangular, arrays
✕
Science
✕
5th Grade
✕
Subjects
Math
English Language Arts
Science
Social Studies
Grade Level
Pre-K
K
1st
2nd
3rd
4th
5th
6th
7th
8th
Early Childhood
Elementary School
Middle School
Resource Type
Lesson Plans
Activities
See More
Clear All
View 41 results
Showing Results for within 25 and rectangular arrays
41 results
Search for: within, 25, and, rectangular, arrays
✕
Science
✕
5th Grade
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
41 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
Homemade Vacuum Chamber
Activity
Homemade Vacuum Chamber
Fifth Grade
Engineering and Science Inquiry
Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.
Activity
Homemade Vacuum Chamber
Activity
Homemade Vacuum Chamber
Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.
Fifth Grade
Engineering and Science Inquiry
Activity
Six Degrees of Separation
Activity
Six Degrees of Separation
Fifth Grade
Engineering and Science Inquiry
Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.
Activity
Six Degrees of Separation
Activity
Six Degrees of Separation
Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.
Fifth Grade
Engineering and Science Inquiry
Activity
Is It Safe To Eat Something Dropped On The Floor As Long As You Pick It Up Within 5-Seconds?
Activity
Is It Safe To Eat Something Dropped On The Floor As Long As You Pick It Up Within 5-Seconds?
Fourth Grade
Engineering and Science Inquiry
Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.
Activity
Is It Safe To Eat Something Dropped On The Floor As Long As You Pick It Up Within 5-Seconds?
Activity
Is It Safe To Eat Something Dropped On The Floor As Long As You Pick It Up Within 5-Seconds?
Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.
Fourth Grade
Engineering and Science Inquiry
Activity
Catalase and Hydrogen Peroxide Experiment
Activity
Catalase and Hydrogen Peroxide Experiment
Fifth Grade
Engineering and Science Inquiry
In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.
Activity
Catalase and Hydrogen Peroxide Experiment
Activity
Catalase and Hydrogen Peroxide Experiment
In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.
Fifth Grade
Engineering and Science Inquiry
Activity
Does Mint Actually Cool Things Down?
Activity
Does Mint Actually Cool Things Down?
Fifth Grade
Measurement
This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.
Activity
Does Mint Actually Cool Things Down?
Activity
Does Mint Actually Cool Things Down?
This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.
Fifth Grade
Measurement
Activity
Making a Static Electricity Bell
Activity
Making a Static Electricity Bell
Fourth Grade
Engineering and Science Inquiry
Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.
Activity
Making a Static Electricity Bell
Activity
Making a Static Electricity Bell
Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.
Fourth Grade
Engineering and Science Inquiry
Activity
Passive Solar Heating
Activity
Passive Solar Heating
Fourth Grade
Engineering and Science Inquiry
examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy
Activity
Passive Solar Heating
Activity
Passive Solar Heating
examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy
Fourth Grade
Engineering and Science Inquiry
Activity
What Animals are Most Popular? A Data Analysis Project
Activity
What Animals are Most Popular? A Data Analysis Project
Second Grade
Engineering and Science Inquiry
What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.
Activity
What Animals are Most Popular? A Data Analysis Project
Activity
What Animals are Most Popular? A Data Analysis Project
What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.
Second Grade
Engineering and Science Inquiry
Activity
Design Challenge: Improve the School
Activity
Design Challenge: Improve the School
Fifth Grade
Engineering and Science Inquiry
In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”
Activity
Design Challenge: Improve the School
Activity
Design Challenge: Improve the School
In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”
Fifth Grade
Engineering and Science Inquiry
Activity
Angle of Heat
Activity
Angle of Heat
Fourth Grade
Engineering and Science Inquiry
Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.
Activity
Angle of Heat
Activity
Angle of Heat
Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.
Fourth Grade
Engineering and Science Inquiry
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
Ice Melting
Activity
Ice Melting
Fifth Grade
Engineering and Science Inquiry
Will the shape of an ice cube impact how fast the ice melts?
Activity
Ice Melting
Activity
Ice Melting
Will the shape of an ice cube impact how fast the ice melts?
Fifth Grade
Engineering and Science Inquiry
Activity
Don't Rock the Boat
Activity
Don't Rock the Boat
Third Grade
Engineering and Science Inquiry
This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.
Activity
Don't Rock the Boat
Activity
Don't Rock the Boat
This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.
Third Grade
Engineering and Science Inquiry
Activity
Robot Traffic Jam
Activity
Robot Traffic Jam
Fifth Grade
Engineering and Science Inquiry
This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.
Activity
Robot Traffic Jam
Activity
Robot Traffic Jam
This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.
Fifth Grade
Engineering and Science Inquiry
Activity
A Thunderous Sound
Activity
A Thunderous Sound
Second Grade
Physical Science
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Activity
A Thunderous Sound
Activity
A Thunderous Sound
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Second Grade
Physical Science
Activity
Is Horse Manure a Possible Energy Source in a Crisis?
Activity
Is Horse Manure a Possible Energy Source in a Crisis?
Fifth Grade
Measurement
Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.
Activity
Is Horse Manure a Possible Energy Source in a Crisis?
Activity
Is Horse Manure a Possible Energy Source in a Crisis?
Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.
Fifth Grade
Measurement
Activity
Invisible Fingerprints: CSI Style!
Activity
Invisible Fingerprints: CSI Style!
Fifth Grade
Engineering and Science Inquiry
Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.
Activity
Invisible Fingerprints: CSI Style!
Activity
Invisible Fingerprints: CSI Style!
Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.
Fifth Grade
Engineering and Science Inquiry
Activity
Radio Waves, It's In The Air: Build A Basic Radio
Activity
Radio Waves, It's In The Air: Build A Basic Radio
Fifth Grade
Physical Science
The purpose of this science fair project is to build a basic radio.
Activity
Radio Waves, It's In The Air: Build A Basic Radio
Activity
Radio Waves, It's In The Air: Build A Basic Radio
The purpose of this science fair project is to build a basic radio.
Fifth Grade
Physical Science
Activity
High Frequency Hearing Test
Activity
High Frequency Hearing Test
Fifth Grade
Physical Science
Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.
Activity
High Frequency Hearing Test
Activity
High Frequency Hearing Test
Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.
Fifth Grade
Physical Science
Activity
Does Gelatin Slow Down the Melting of Freezer Pops?
Activity
Does Gelatin Slow Down the Melting of Freezer Pops?
Third Grade
Engineering and Science Inquiry
This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.
Activity
Does Gelatin Slow Down the Melting of Freezer Pops?
Activity
Does Gelatin Slow Down the Melting of Freezer Pops?
This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.
Third Grade
Engineering and Science Inquiry
Activity
Plane Mirror Reflection Experiment
Activity
Plane Mirror Reflection Experiment
Fifth Grade
Engineering and Science Inquiry
In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!
Activity
Plane Mirror Reflection Experiment
Activity
Plane Mirror Reflection Experiment
In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!
Fifth Grade
Engineering and Science Inquiry
Activity
Parts of a Bean Seed
Activity
Parts of a Bean Seed
Fifth Grade
Engineering and Science Inquiry
Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.
Activity
Parts of a Bean Seed
Activity
Parts of a Bean Seed
Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.
Fifth Grade
Engineering and Science Inquiry
Activity
Code a Character
Lesson Plan
Code a Character
Fifth Grade
Engineering and Science Inquiry
In this lesson, students will learn to create an animated character using the education coding app ScratchJr.
Lesson Plan
Code a Character
Lesson Plan
Code a Character
In this lesson, students will learn to create an animated character using the education coding app ScratchJr.
Fifth Grade
Engineering and Science Inquiry
Lesson Plan
Training Cats
Activity
Training Cats
Fifth Grade
Engineering and Science Inquiry
This science fair project idea explores whether cats can be trained in the same way that dogs can.
Activity
Training Cats
Activity
Training Cats
This science fair project idea explores whether cats can be trained in the same way that dogs can.
Fifth Grade
Engineering and Science Inquiry
Activity
Distance and Angle
Activity
Distance and Angle
Fifth Grade
Engineering and Science Inquiry
Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.
Activity
Distance and Angle
Activity
Distance and Angle
Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.
Fifth Grade
Engineering and Science Inquiry
Activity
The Photosynthesis Process and the Importance of Leaves
Activity
The Photosynthesis Process and the Importance of Leaves
Fifth Grade
Engineering and Science Inquiry
The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.
Activity
The Photosynthesis Process and the Importance of Leaves
Activity
The Photosynthesis Process and the Importance of Leaves
The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.
Fifth Grade
Engineering and Science Inquiry
Activity
Energy Efficient Windows
Activity
Energy Efficient Windows
Fifth Grade
Measurement
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Activity
Energy Efficient Windows
Activity
Energy Efficient Windows
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Fifth Grade
Measurement
Activity
LEGO Marble Maze
Lesson Plan
LEGO Marble Maze
Fifth Grade
Engineering and Science Inquiry
In this lesson, students will solve a design problem as they create a marble maze out of LEGO bricks.
Lesson Plan
LEGO Marble Maze
Lesson Plan
LEGO Marble Maze
In this lesson, students will solve a design problem as they create a marble maze out of LEGO bricks.
Fifth Grade
Engineering and Science Inquiry
Lesson Plan
Does Age Affect Memory?
Activity
Does Age Affect Memory?
Fifth Grade
Engineering and Science Inquiry
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Activity
Does Age Affect Memory?
Activity
Does Age Affect Memory?
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Fifth Grade
Engineering and Science Inquiry
Activity
Design and Build a City
Activity
Design and Build a City
Third Grade
Engineering and Science Inquiry
Challenge your learner to design and build a city of their own in this creative engineering activity.
Activity
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.
Third Grade
Engineering and Science Inquiry
Activity
1
2