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
Earth and Space Science
Subtopics:
Weather and Seasons
Earth's Systems
Environmental Science
Space Science
Show Less
Filters
Search for: how, when
✕
Science
✕
3rd - 5th Grade
✕
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
Lesson Plans
Interactive Worksheets
Activities
Offline Games
Occasion
Spring
Easter
Earth Day
Mother's Day
Winter
Holidays
Christmas
Valentine's Day
Common Core
Yes
No
Game Type
Crossword
Group Games
Printable Board Games
Word Puzzles
Word Search
Arts & Crafts
Arts & Crafts
Fabric Projects
Paper & Glue Crafts
Construction & Sculpture
Painting & Drawing
Recycled Crafts
English Language Support
Yes
See More
Clear All
View 138 results
Showing Results for how when
138 results
Search for: how, when
✕
Science
✕
3rd - 5th Grade
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
138 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
How Clouds Form
Worksheet
How Clouds Form
Fifth Grade
Earth and Space Science
Do you know how clouds form? Get the basic idea of how moisture in the air can become a cloud.
Worksheet
How Clouds Form
Worksheet
How Clouds Form
Do you know how clouds form? Get the basic idea of how moisture in the air can become a cloud.
Fifth Grade
Earth and Space Science
Worksheet
How Tornadoes Form
Worksheet
How Tornadoes Form
Fifth Grade
Earth and Space Science
Do you know how tornadoes form?This science worksheet diagrams what is known about what causes tornadoes to form.
Worksheet
How Tornadoes Form
Worksheet
How Tornadoes Form
Do you know how tornadoes form?This science worksheet diagrams what is known about what causes tornadoes to form.
Fifth Grade
Earth and Space Science
Worksheet
How Tsunamis are Formed
Worksheet
How Tsunamis are Formed
Fifth Grade
Earth and Space Science
Do you know how Tsunamis are formed? This worksheet shows the physics behind tsunami formation.
Worksheet
How Tsunamis are Formed
Worksheet
How Tsunamis are Formed
Do you know how Tsunamis are formed? This worksheet shows the physics behind tsunami formation.
Fifth Grade
Earth and Space Science
Worksheet
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
Learning Why and How to Compost
Activity
Learning Why and How to Compost
Second Grade
Earth and Space Science
Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.
Activity
Learning Why and How to Compost
Activity
Learning Why and How to Compost
Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.
Second Grade
Earth and Space Science
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
How to Press Flowers
Activity
How to Press Flowers
Pre-K
Earth and Space Science
April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!
Activity
How to Press Flowers
Activity
How to Press Flowers
April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!
Pre-K
Earth and Space Science
Activity
How Old is That Tree?
Activity
How Old is That Tree?
Third Grade
Measurement
Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!
Activity
How Old is That Tree?
Activity
How Old is That Tree?
Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!
Third Grade
Measurement
Activity
How Much is a Billion?
Worksheet
How Much is a Billion?
Third Grade
Earth and Space Science
Help kids understand the size and scope of billions of years with this helpful reference worksheet.
Worksheet
How Much is a Billion?
Worksheet
How Much is a Billion?
Help kids understand the size and scope of billions of years with this helpful reference worksheet.
Third Grade
Earth and Space Science
Worksheet
How is A Star Born?
Worksheet
How is A Star Born?
Third Grade
Earth and Space Science
Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!
Worksheet
How is A Star Born?
Worksheet
How is A Star Born?
Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!
Third Grade
Earth and Space Science
Worksheet
How to Pan for Gold
Activity
How to Pan for Gold
Fourth Grade
Earth and Space Science
Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.
Activity
How to Pan for Gold
Activity
How to Pan for Gold
Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.
Fourth Grade
Earth and Space Science
Activity
How Quickly Does Erosion Happen?
Worksheet
How Quickly Does Erosion Happen?
Fourth Grade
Earth and Space Science
Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!
Worksheet
How Quickly Does Erosion Happen?
Worksheet
How Quickly Does Erosion Happen?
Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!
Fourth Grade
Earth and Space Science
Worksheet
Make Your Own Cloud!
Activity
Make Your Own Cloud!
Third Grade
Earth and Space Science
Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!
Activity
Make Your Own Cloud!
Activity
Make Your Own Cloud!
Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!
Third Grade
Earth and Space Science
Activity
Got Water? How the Water Cycle Works
Lesson Plan
Got Water? How the Water Cycle Works
Third Grade
Earth and Space Science
Come on in, the water’s fun! In this activity, students see the water cycle in action with ordinary objects and learn the water the dinosaurs tasted is still around.
Lesson Plan
Got Water? How the Water Cycle Works
Lesson Plan
Got Water? How the Water Cycle Works
Come on in, the water’s fun! In this activity, students see the water cycle in action with ordinary objects and learn the water the dinosaurs tasted is still around.
Third Grade
Earth and Space Science
Lesson Plan
Temporary Art
Activity
Temporary Art
Third Grade
Earth and Space Science
Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?
Activity
Temporary Art
Activity
Temporary Art
Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?
Third Grade
Earth and Space Science
Activity
Different Types of Rocks
Activity
Different Types of Rocks
Second Grade
Earth and Space Science
The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.
Activity
Different Types of Rocks
Activity
Different Types of Rocks
The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.
Second Grade
Earth and Space Science
Activity
How Long is Your Shadow on the Shortest Day?
Activity
How Long is Your Shadow on the Shortest Day?
Fourth Grade
Earth and Space Science
Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.
Activity
How Long is Your Shadow on the Shortest Day?
Activity
How Long is Your Shadow on the Shortest Day?
Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.
Fourth Grade
Earth and Space Science
Activity
Make a Sundial
Activity
Make a Sundial
Fourth Grade
Earth and Space Science
How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.
Activity
Make a Sundial
Activity
Make a Sundial
How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.
Fourth Grade
Earth and Space Science
Activity
Venus Transit 2012
Worksheet
Venus Transit 2012
Third Grade
Earth and Space Science
It's pretty rare when a planet comes between Earth and the sun, but it happened on June 5, 2012. Learn about this mind-boggling event with this cool worksheet!
Worksheet
Venus Transit 2012
Worksheet
Venus Transit 2012
It's pretty rare when a planet comes between Earth and the sun, but it happened on June 5, 2012. Learn about this mind-boggling event with this cool worksheet!
Third Grade
Earth and Space Science
Worksheet
Barometric Pressure
Activity
Barometric Pressure
Third Grade
Earth and Space Science
Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?
Activity
Barometric Pressure
Activity
Barometric Pressure
Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?
Third Grade
Earth and Space Science
Activity
Why is the Ocean Salty?
Worksheet
Why is the Ocean Salty?
Third Grade
Earth and Space Science
How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.
Worksheet
Why is the Ocean Salty?
Worksheet
Why is the Ocean Salty?
How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.
Third Grade
Earth and Space Science
Worksheet
The Sun and the Moon
Worksheet
The Sun and the Moon
Third Grade
Reading
How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.
Worksheet
The Sun and the Moon
Worksheet
The Sun and the Moon
How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.
Third Grade
Reading
Worksheet
Earth Day Game
Worksheet
Earth Day Game
First Grade
Earth and Space Science
It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.
Worksheet
Earth Day Game
Worksheet
Earth Day Game
It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.
First Grade
Earth and Space Science
Worksheet
What Is a Watershed?
Worksheet
What Is a Watershed?
Fourth Grade
Earth and Space Science
Discover how water flows in this informative environmental science worksheet!
Worksheet
What Is a Watershed?
Worksheet
What Is a Watershed?
Discover how water flows in this informative environmental science worksheet!
Fourth Grade
Earth and Space Science
Worksheet
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
Heat Waves
Worksheet
Heat Waves
Fourth Grade
Earth and Space Science
Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.
Worksheet
Heat Waves
Worksheet
Heat Waves
Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.
Fourth Grade
Earth and Space Science
Worksheet
Know Your Planets: Earth
Worksheet
Know Your Planets: Earth
Third Grade
Earth and Space Science
How much do you know about our home planet? Boost your Earth knowledge with this science printable.
Worksheet
Know Your Planets: Earth
Worksheet
Know Your Planets: Earth
How much do you know about our home planet? Boost your Earth knowledge with this science printable.
Third Grade
Earth and Space Science
Worksheet
Where Are the Planets?: Mars
Worksheet
Where Are the Planets?: Mars
Third Grade
Measurement
How far away is the Red Planet from the sun? Find out with this great Solar System printable.
Worksheet
Where Are the Planets?: Mars
Worksheet
Where Are the Planets?: Mars
How far away is the Red Planet from the sun? Find out with this great Solar System printable.
Third Grade
Measurement
Worksheet
1
2
3
4
5
