SKIP TO CONTENT
Worksheet Generator
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
Reading Month
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
Reading Month
All Subjects
Science
Subtopics:
Physical Science
Life Science
Earth and Space Science
Engineering and Science Inquiry
Computer Science
Show Less
Filters
Search for: within, 25, and, rectangular, arrays
✕
Science
✕
Activities
✕
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
Worksheets
Lesson Plans
Activities
Offline Games
Occasion
Spring
Earth Day
Summer
Winter
Holidays
Thanksgiving
Arts & Crafts
Arts & Crafts
Fabric Projects
Paper & Glue Crafts
Construction & Sculpture
Painting & Drawing
Recycled Crafts
Recipes
Sides
See More
Clear All
View 251 results
Showing Results for within 25 and rectangular arrays
251 results
Search for: within, 25, and, rectangular, arrays
✕
Science
✕
Activities
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
251 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
Design Challenge: Making a Boat
Activity
Design Challenge: Making a Boat
Pre-K
Engineering and Science Inquiry
In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.
Activity
Design Challenge: Making a Boat
Activity
Design Challenge: Making a Boat
In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.
Pre-K
Engineering and Science Inquiry
Activity
Are Fingerprints Inherited?
Activity
Are Fingerprints Inherited?
Engineering and Science Inquiry
Find out whether people within a family tend to have matching fingerprints.
Activity
Are Fingerprints Inherited?
Activity
Are Fingerprints Inherited?
Find out whether people within a family tend to have matching fingerprints.
Engineering and Science Inquiry
Activity
Effect of Temperature on Sugar Production
Activity
Effect of Temperature on Sugar Production
Measurement
In this science fair project, students examine how temperature affects sugar transport within a plant.
Activity
Effect of Temperature on Sugar Production
Activity
Effect of Temperature on Sugar Production
In this science fair project, students examine how temperature affects sugar transport within a plant.
Measurement
Activity
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
Evaluating Gender Differences in Sound Perception
Activity
Evaluating Gender Differences in Sound Perception
Physical Science
This experiment investigates whether there are certain sounds that affect men and women differently
Activity
Evaluating Gender Differences in Sound Perception
Activity
Evaluating Gender Differences in Sound Perception
This experiment investigates whether there are certain sounds that affect men and women differently
Physical Science
Activity
The Science of Sleep: Testing Dream Recall
Activity
The Science of Sleep: Testing Dream Recall
Sixth Grade
Engineering and Science Inquiry
This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.
Activity
The Science of Sleep: Testing Dream Recall
Activity
The Science of Sleep: Testing Dream Recall
This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.
Sixth Grade
Engineering and Science Inquiry
Activity
Plant a Fail-Safe Veggie Garden
Activity
Plant a Fail-Safe Veggie Garden
Kindergarten
Life Science
Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!
Activity
Plant a Fail-Safe Veggie Garden
Activity
Plant a Fail-Safe Veggie Garden
Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!
Kindergarten
Life Science
Activity
Does Texting Enhance Finger Dexterity?
Activity
Does Texting Enhance Finger Dexterity?
Engineering and Science Inquiry
This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.
Activity
Does Texting Enhance Finger Dexterity?
Activity
Does Texting Enhance Finger Dexterity?
This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.
Engineering and Science Inquiry
Activity
Do People Prefer Singers of the Same Sex?
Activity
Do People Prefer Singers of the Same Sex?
Engineering and Science Inquiry
Do males really prefer listening to male than female singers? Find out when exploring this science fair project!
Activity
Do People Prefer Singers of the Same Sex?
Activity
Do People Prefer Singers of the Same Sex?
Do males really prefer listening to male than female singers? Find out when exploring this science fair project!
Engineering and Science Inquiry
Activity
Are People Who Snore Usually Less Capable of Long Periods of Exercise?
Activity
Are People Who Snore Usually Less Capable of Long Periods of Exercise?
Engineering and Science Inquiry
Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.
Activity
Are People Who Snore Usually Less Capable of Long Periods of Exercise?
Activity
Are People Who Snore Usually Less Capable of Long Periods of Exercise?
Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.
Engineering and Science Inquiry
Activity
Set Up a Solar System of Kids
Activity
Set Up a Solar System of Kids
Fourth Grade
Earth and Space Science
This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.
Activity
Set Up a Solar System of Kids
Activity
Set Up a Solar System of Kids
This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.
Fourth Grade
Earth and Space Science
Activity
Explore Abstract Nature & Complementary Colors
Activity
Explore Abstract Nature & Complementary Colors
Earth and Space Science
A mixture of botany, exploration, Abstract Art and Pop Art color theoryâthis activity never gets dull! Start by exploring outdoors and finish with indoor art.
Activity
Explore Abstract Nature & Complementary Colors
Activity
Explore Abstract Nature & Complementary Colors
A mixture of botany, exploration, Abstract Art and Pop Art color theoryâthis activity never gets dull! Start by exploring outdoors and finish with indoor art.
Earth and Space Science
Activity
Do Pianists Type Faster Than Non-Pianists?
Activity
Do Pianists Type Faster Than Non-Pianists?
Engineering and Science Inquiry
Explore whether pianists have the tendency to type faster than non-pianists.
Activity
Do Pianists Type Faster Than Non-Pianists?
Activity
Do Pianists Type Faster Than Non-Pianists?
Explore whether pianists have the tendency to type faster than non-pianists.
Engineering and Science Inquiry
Activity
Practice Stick Writing
Activity
Practice Stick Writing
Kindergarten
Earth and Space Science
Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.
Activity
Practice Stick Writing
Activity
Practice Stick Writing
Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.
Kindergarten
Earth and Space Science
Activity
Does Peoples' Ability to Use "Night Vision" Diminish With Age?
Activity
Does Peoples' Ability to Use "Night Vision" Diminish With Age?
Vocabulary
This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.
Activity
Does Peoples' Ability to Use "Night Vision" Diminish With Age?
Activity
Does Peoples' Ability to Use "Night Vision" Diminish With Age?
This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.
Vocabulary
Activity
Water Splashes
Activity
Water Splashes
Third Grade
Engineering and Science Inquiry
Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?
Activity
Water Splashes
Activity
Water Splashes
Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?
Third Grade
Engineering and Science Inquiry
Activity
Tumbling Rocks!
Activity
Tumbling Rocks!
Engineering and Science Inquiry
Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.
Activity
Tumbling Rocks!
Activity
Tumbling Rocks!
Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.
Engineering and Science Inquiry
Activity
Denaturing Proteins
Activity
Denaturing Proteins
Measurement
In this science fair experiment, high school students determine if all proteins denature at the same temperature.
Activity
Denaturing Proteins
Activity
Denaturing Proteins
In this science fair experiment, high school students determine if all proteins denature at the same temperature.
Measurement
Activity
Bouncing Ball Physics: What is Elasticity?
Activity
Bouncing Ball Physics: What is Elasticity?
Third Grade
Engineering and Science Inquiry
What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.
Activity
Bouncing Ball Physics: What is Elasticity?
Activity
Bouncing Ball Physics: What is Elasticity?
What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.
Third Grade
Engineering and Science Inquiry
Activity
What Method of Preparing Salad Eliminates the Most Bacteria?
Activity
What Method of Preparing Salad Eliminates the Most Bacteria?
Measurement
The objective of this science fair project is to examine the cleanliness of salad preparation techniques.
Activity
What Method of Preparing Salad Eliminates the Most Bacteria?
Activity
What Method of Preparing Salad Eliminates the Most Bacteria?
The objective of this science fair project is to examine the cleanliness of salad preparation techniques.
Measurement
Activity
What Are the Layers of the Earth?
Activity
What Are the Layers of the Earth?
Second Grade
Engineering and Science Inquiry
Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.
Activity
What Are the Layers of the Earth?
Activity
What Are the Layers of the Earth?
Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.
Second Grade
Engineering and Science Inquiry
Activity
Does Feng Shui Affect Mood?
Activity
Does Feng Shui Affect Mood?
Engineering and Science Inquiry
In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.
Activity
Does Feng Shui Affect Mood?
Activity
Does Feng Shui Affect Mood?
In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.
Engineering and Science Inquiry
Activity
Air Power for Transportation
Activity
Air Power for Transportation
Engineering and Science Inquiry
Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.
Activity
Air Power for Transportation
Activity
Air Power for Transportation
Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.
Engineering and Science Inquiry
Activity
Tracking Temperatures
Activity
Tracking Temperatures
Fourth Grade
Measurement
To help your child learn how to use a thermometer, try this temperature collecting activity at home.
Activity
Tracking Temperatures
Activity
Tracking Temperatures
To help your child learn how to use a thermometer, try this temperature collecting activity at home.
Fourth Grade
Measurement
Activity
Acid Rain: Should We Be Concerned?
Activity
Acid Rain: Should We Be Concerned?
Engineering and Science Inquiry
This science fair project idea will be examining oxidation and acid rain
Activity
Acid Rain: Should We Be Concerned?
Activity
Acid Rain: Should We Be Concerned?
This science fair project idea will be examining oxidation and acid rain
Engineering and Science Inquiry
Activity
Too Much Sodium?
Activity
Too Much Sodium?
Third Grade
Engineering and Science Inquiry
Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.
Activity
Too Much Sodium?
Activity
Too Much Sodium?
Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.
Third Grade
Engineering and Science Inquiry
Activity
Memory and Personality
Activity
Memory and Personality
Engineering and Science Inquiry
This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.
Activity
Memory and Personality
Activity
Memory and Personality
This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.
Engineering and Science Inquiry
Activity
Conservation of Mass
Activity
Conservation of Mass
Engineering and Science Inquiry
Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.
Activity
Conservation of Mass
Activity
Conservation of Mass
Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.
Engineering and Science Inquiry
Activity
1
2
3
4
…
9