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
Subtopics:
Physical Science
Life Science
Earth and Space Science
Engineering and Science Inquiry
Computer Science
Typing
Show Less
Filters
Search for: how, when
✕
Science
✕
Subjects
Math
English Language Arts
Science
Social Studies
Foreign Language
Grade Level
Pre-K
K
1st
2nd
3rd
4th
5th
6th
7th
8th
Early Childhood
Elementary School
Middle School
Resource Type
Worksheets
Games
Lesson Plans
Interactive Worksheets
Workbooks
Activities
Stories
Offline Games
Guided Lessons
Teacher Resources
See more
Occasion
Birthdays
Women's History Month
St. Patrick's Day
Spring
Easter
Earth Day
Mother's Day
Summer
Independence Day
Back to School
Fall
Halloween
Winter
Holidays
Thanksgiving
Christmas
New Year
Valentine's Day
Black History Month
See more
Common Core
Yes
No
Game Type
Dot to Dot
Crossword
Group Games
Outdoor Games
Printable Board Games
Word Puzzles
Word Search
Arts & Crafts
Arts & Crafts
Fabric Projects
Beads & Jewelry
Paper & Glue Crafts
Construction & Sculpture
Painting & Drawing
Recycled Crafts
Coloring
Yes
Recipes
Snacks
Mains
Sides
English Language Support
Yes
See More
Clear All
View 2,638 results
Showing Results for how when : Page 2
2,638 results
Search for: how, when
✕
Science
✕
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
2,638 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
How do Disinfectants Work?
Activity
How do Disinfectants Work?
Engineering and Science Inquiry
This science fair project idea investigates how different disinfectants work in killing germs.
Activity
How do Disinfectants Work?
Activity
How do Disinfectants Work?
This science fair project idea investigates how different disinfectants work in killing germs.
Engineering and Science Inquiry
Activity
How Much Sugar?
Activity
How Much Sugar?
Fourth Grade
Engineering and Science Inquiry
This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.
Activity
How Much Sugar?
Activity
How Much Sugar?
This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.
Fourth Grade
Engineering and Science Inquiry
Activity
How to Make a Water Wheel
Activity
How to Make a Water Wheel
Fourth Grade
Physical Science
This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.
Activity
How to Make a Water Wheel
Activity
How to Make a Water Wheel
This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.
Fourth Grade
Physical Science
Activity
How Does Smell Affect Taste?
Activity
How Does Smell Affect Taste?
Third Grade
Engineering and Science Inquiry
How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.
Activity
How Does Smell Affect Taste?
Activity
How Does Smell Affect Taste?
How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.
Third Grade
Engineering and Science Inquiry
Activity
How to Make Lightning
Activity
How to Make Lightning
Fifth Grade
Engineering and Science Inquiry
Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.
Activity
How to Make Lightning
Activity
How to Make Lightning
Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.
Fifth Grade
Engineering and Science Inquiry
Activity
How Do We See?
Worksheet
How Do We See?
Third Grade
Physical Science
Find out all about the different parts of the eyes and how they work together to make vision possible.
Worksheet
How Do We See?
Worksheet
How Do We See?
Find out all about the different parts of the eyes and how they work together to make vision possible.
Third Grade
Physical Science
Worksheet
How High Is That?
Activity
How High Is That?
Engineering and Science Inquiry
A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.
Activity
How High Is That?
Activity
How High Is That?
A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.
Engineering and Science Inquiry
Activity
How to Tell Time by the Sun
Activity
How to Tell Time by the Sun
Third Grade
Engineering and Science Inquiry
Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.
Activity
How to Tell Time by the Sun
Activity
How to Tell Time by the Sun
Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.
Third Grade
Engineering and Science Inquiry
Activity
How to Grow Mold
Activity
How to Grow Mold
Engineering and Science Inquiry
This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.
Activity
How to Grow Mold
Activity
How to Grow Mold
This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.
Engineering and Science Inquiry
Activity
How to Make a Weathervane
Activity
How to Make a Weathervane
Fourth Grade
Earth and Space Science
Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.
Activity
How to Make a Weathervane
Activity
How to Make a Weathervane
Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.
Fourth Grade
Earth and Space Science
Activity
How the Earth Was Formed
Worksheet
How the Earth Was Formed
Third Grade
Earth and Space Science
Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.
Worksheet
How the Earth Was Formed
Worksheet
How the Earth Was Formed
Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.
Third Grade
Earth and Space Science
Worksheet
How Do Moons Form?
Worksheet
How Do Moons Form?
Fifth Grade
Earth and Space Science
Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.
Worksheet
How Do Moons Form?
Worksheet
How Do Moons Form?
Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.
Fifth Grade
Earth and Space Science
Worksheet
How Do Different Materials Affect Air Resistance?
Activity
How Do Different Materials Affect Air Resistance?
Engineering and Science Inquiry
Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.
Activity
How Do Different Materials Affect Air Resistance?
Activity
How Do Different Materials Affect Air Resistance?
Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.
Engineering and Science Inquiry
Activity
Texture and Hardness #2
Interactive Worksheet
Texture and Hardness #2
Second Grade
Physical Science
Describe how things feel when you touch them and push on them!
Interactive Worksheet
Texture and Hardness #2
Interactive Worksheet
Texture and Hardness #2
Describe how things feel when you touch them and push on them!
Second Grade
Physical Science
Interactive Worksheet
How Solar Energy Heats Liquids of Different Colors
Activity
How Solar Energy Heats Liquids of Different Colors
Fourth Grade
Engineering and Science Inquiry
This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.
Activity
How Solar Energy Heats Liquids of Different Colors
Activity
How Solar Energy Heats Liquids of Different Colors
This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.
Fourth Grade
Engineering and Science Inquiry
Activity
How is Honey Made?
Worksheet
How is Honey Made?
Third Grade
Life Science
Mmmm honey is delicious, but do you know how it's made? Take a dip into some sweet knowledge and find out the buzzy secrets behind honey.
Worksheet
How is Honey Made?
Worksheet
How is Honey Made?
Mmmm honey is delicious, but do you know how it's made? Take a dip into some sweet knowledge and find out the buzzy secrets behind honey.
Third Grade
Life Science
Worksheet
How is a Rainbow Formed?
Worksheet
How is a Rainbow Formed?
Third Grade
Physical Science
Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?
Worksheet
How is a Rainbow Formed?
Worksheet
How is a Rainbow Formed?
Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?
Third Grade
Physical Science
Worksheet
Complete Circuit: How Does a Flashlight Work?
Activity
Complete Circuit: How Does a Flashlight Work?
Third Grade
Engineering and Science Inquiry
How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.
Activity
Complete Circuit: How Does a Flashlight Work?
Activity
Complete Circuit: How Does a Flashlight Work?
How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.
Third Grade
Engineering and Science Inquiry
Activity
How to Make a Cartesian Diver
Activity
How to Make a Cartesian Diver
Fifth Grade
Physical Science
Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.
Activity
How to Make a Cartesian Diver
Activity
How to Make a Cartesian Diver
Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.
Fifth Grade
Physical Science
Activity
How do Tides Work?
Worksheet
How do Tides Work?
Earth and Space Science
Ever wonder what makes the ocean tide come in and out? With this worksheet, your student will learn how the tides work!
Worksheet
How do Tides Work?
Worksheet
How do Tides Work?
Ever wonder what makes the ocean tide come in and out? With this worksheet, your student will learn how the tides work!
Earth and Space Science
Worksheet
How Heavy is a Bubble?
Activity
How Heavy is a Bubble?
Engineering and Science Inquiry
Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?
Activity
How Heavy is a Bubble?
Activity
How Heavy is a Bubble?
Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?
Engineering and Science Inquiry
Activity
How to Prevent Erosion
Activity
How to Prevent Erosion
Fourth Grade
Engineering and Science Inquiry
Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.
Activity
How to Prevent Erosion
Activity
How to Prevent Erosion
Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.
Fourth Grade
Engineering and Science Inquiry
Activity
How to Make an Anemometer
Activity
How to Make an Anemometer
Fourth Grade
Engineering and Science Inquiry
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Activity
How to Make an Anemometer
Activity
How to Make an Anemometer
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Fourth Grade
Engineering and Science Inquiry
Activity
How Far Can You See?
Activity
How Far Can You See?
Engineering and Science Inquiry
This science fair project idea explores how far the average human can see.
Activity
How Far Can You See?
Activity
How Far Can You See?
This science fair project idea explores how far the average human can see.
Engineering and Science Inquiry
Activity
How to Make an Ethernet Cable
Activity
How to Make an Ethernet Cable
Physical Science
Start thinking about how the internet works by assembling an Ethernet cable of your own!
Activity
How to Make an Ethernet Cable
Activity
How to Make an Ethernet Cable
Start thinking about how the internet works by assembling an Ethernet cable of your own!
Physical Science
Activity
How to Write Science Fiction
Activity
How to Write Science Fiction
Earth and Space Science
Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!
Activity
How to Write Science Fiction
Activity
How to Write Science Fiction
Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!
Earth and Space Science
Activity
How Do Butterflies Eat?
Worksheet
How Do Butterflies Eat?
Second Grade
Life Science
Did you know butterflies have no teeth? How do you think they eat? Check out this science worksheet to learn all about it.
Worksheet
How Do Butterflies Eat?
Worksheet
How Do Butterflies Eat?
Did you know butterflies have no teeth? How do you think they eat? Check out this science worksheet to learn all about it.
Second Grade
Life Science
Worksheet
How Does Blood Flow Through the Heart?
Worksheet
How Does Blood Flow Through the Heart?
Fifth Grade
Life Science
How does blood flow through the heart? This worksheet prompts kids to map how blood is pumped through this sophisticated organ.
Worksheet
How Does Blood Flow Through the Heart?
Worksheet
How Does Blood Flow Through the Heart?
How does blood flow through the heart? This worksheet prompts kids to map how blood is pumped through this sophisticated organ.
Fifth Grade
Life Science
Worksheet
How to Make A Thermometer
Activity
How to Make A Thermometer
Second Grade
Measurement
Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?
Activity
How to Make A Thermometer
Activity
How to Make A Thermometer
Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?
Second Grade
Measurement
Activity
How We Breathe: Awesome Anatomy
Worksheet
How We Breathe: Awesome Anatomy
Fifth Grade
Life Science
Color in this Awesome Anatomy page on the respiratory system and learn about how we breathe!
Worksheet
How We Breathe: Awesome Anatomy
Worksheet
How We Breathe: Awesome Anatomy
Color in this Awesome Anatomy page on the respiratory system and learn about how we breathe!
Fifth Grade
Life Science
Worksheet
1
2
3
4
…
88