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
The Scientific Method
Lab Safety and Equipment
Observations and Data Collection
Show Less
Filters
Search for: how, when
✕
Science
✕
1st - 4th 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
Activities
Offline Games
Occasion
Women's History Month
Halloween
Winter
Holidays
Christmas
Common Core
Yes
Game Type
Outdoor Games
Arts & Crafts
Arts & Crafts
Paper & Glue Crafts
Construction & Sculpture
Recipes
Snacks
See More
Clear All
View 492 results
Showing Results for how when : Page 4
492 results
Search for: how, when
✕
Science
✕
1st - 4th Grade
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
492 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
Sinking Ships for Science
Activity
Sinking Ships for Science
First Grade
Physical Science
Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!
Activity
Sinking Ships for Science
Activity
Sinking Ships for Science
Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!
First Grade
Physical Science
Activity
Watching Birds at a Sit Spot
Activity
Watching Birds at a Sit Spot
First Grade
Engineering and Science Inquiry
Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.
Activity
Watching Birds at a Sit Spot
Activity
Watching Birds at a Sit Spot
Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.
First Grade
Engineering and Science Inquiry
Activity
Too Cold To Snow?
Activity
Too Cold To Snow?
Third Grade
Engineering and Science Inquiry
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Activity
Too Cold To Snow?
Activity
Too Cold To Snow?
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Third Grade
Engineering and Science Inquiry
Activity
Transpiration Experiment
Activity
Transpiration Experiment
Third Grade
Engineering and Science Inquiry
In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.
Activity
Transpiration Experiment
Activity
Transpiration Experiment
In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.
Third Grade
Engineering and Science Inquiry
Activity
Defying Gravity
Activity
Defying Gravity
Second Grade
Engineering and Science Inquiry
This science fair project idea investigates how magnetism can defy the force of gravity.
Activity
Defying Gravity
Activity
Defying Gravity
This science fair project idea investigates how magnetism can defy the force of gravity.
Second Grade
Engineering and Science Inquiry
Activity
Don't Be A Drag
Activity
Don't Be A Drag
First Grade
Engineering and Science Inquiry
This science fair project idea investigates how the shape of an object affects drag.
Activity
Don't Be A Drag
Activity
Don't Be A Drag
This science fair project idea investigates how the shape of an object affects drag.
First Grade
Engineering and Science Inquiry
Activity
Memorizing Numbers
Activity
Memorizing Numbers
Third Grade
Engineering and Science Inquiry
Have you ever wondered how many numbers most people can memorize? Test your friends to find out!
Activity
Memorizing Numbers
Activity
Memorizing Numbers
Have you ever wondered how many numbers most people can memorize? Test your friends to find out!
Third Grade
Engineering and Science Inquiry
Activity
Water Salinity
Activity
Water Salinity
Third Grade
Engineering and Science Inquiry
Will increasing the amount of salt in water effect how slow or fast the water freezes?
Activity
Water Salinity
Activity
Water Salinity
Will increasing the amount of salt in water effect how slow or fast the water freezes?
Third Grade
Engineering and Science Inquiry
Activity
Homemade Butter
Activity
Homemade Butter
Third Grade
Measurement
Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.
Activity
Homemade Butter
Activity
Homemade Butter
Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.
Third Grade
Measurement
Activity
Magic Glass of Water
Activity
Magic Glass of Water
Third Grade
Engineering and Science Inquiry
Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.
Activity
Magic Glass of Water
Activity
Magic Glass of Water
Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.
Third Grade
Engineering and Science Inquiry
Activity
Eye Witness, You Witness
Activity
Eye Witness, You Witness
Fourth Grade
Engineering and Science Inquiry
How well can people recall what they have observed. Test your knowledge in this fun experiment.
Activity
Eye Witness, You Witness
Activity
Eye Witness, You Witness
How well can people recall what they have observed. Test your knowledge in this fun experiment.
Fourth Grade
Engineering and Science Inquiry
Activity
Celery Experiment
Worksheet
Celery Experiment
First Grade
Life Science
Learn more about how plants work with this cool celery experiment! Use this worksheet to help you record your observations after doing this experiment.
Worksheet
Celery Experiment
Worksheet
Celery Experiment
Learn more about how plants work with this cool celery experiment! Use this worksheet to help you record your observations after doing this experiment.
First Grade
Life Science
Worksheet
Growing in the Dark: Plants and Light
Activity
Growing in the Dark: Plants and Light
Second Grade
Engineering and Science Inquiry
Plants and light seem to be good buddies, but how far does the friendship really go?
Activity
Growing in the Dark: Plants and Light
Activity
Growing in the Dark: Plants and Light
Plants and light seem to be good buddies, but how far does the friendship really go?
Second Grade
Engineering and Science Inquiry
Activity
Laundry Science: Ready, Get Set, Dry!
Activity
Laundry Science: Ready, Get Set, Dry!
Fourth Grade
Engineering and Science Inquiry
How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!
Activity
Laundry Science: Ready, Get Set, Dry!
Activity
Laundry Science: Ready, Get Set, Dry!
How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!
Fourth 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
The Fungus Among Us
Activity
The Fungus Among Us
Third Grade
Engineering and Science Inquiry
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
Activity
The Fungus Among Us
Activity
The Fungus Among Us
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
Third Grade
Engineering and Science Inquiry
Activity
Forest Food Pyramid Project
Activity
Forest Food Pyramid Project
Third Grade
Engineering and Science Inquiry
Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.
Activity
Forest Food Pyramid Project
Activity
Forest Food Pyramid Project
Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.
Third Grade
Engineering and Science Inquiry
Activity
Measuring Magnification
Activity
Measuring Magnification
Second Grade
Engineering and Science Inquiry
This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.
Activity
Measuring Magnification
Activity
Measuring Magnification
This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.
Second Grade
Engineering and Science Inquiry
Activity
Corn Seed Germination
Activity
Corn Seed Germination
Fourth Grade
Engineering and Science Inquiry
Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!
Activity
Corn Seed Germination
Activity
Corn Seed Germination
Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!
Fourth Grade
Engineering and Science Inquiry
Activity
Bouncy Balls
Activity
Bouncy Balls
Fourth Grade
Engineering and Science Inquiry
This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.
Activity
Bouncy Balls
Activity
Bouncy Balls
This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.
Fourth Grade
Engineering and Science Inquiry
Activity
Growing Bacteria
Activity
Growing Bacteria
Fourth Grade
Engineering and Science Inquiry
Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.
Activity
Growing Bacteria
Activity
Growing Bacteria
Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.
Fourth Grade
Engineering and Science Inquiry
Activity
Dissolving Packing Peanuts
Activity
Dissolving Packing Peanuts
First Grade
Measurement
Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.
Activity
Dissolving Packing Peanuts
Activity
Dissolving Packing Peanuts
Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.
First Grade
Measurement
Activity
Creatures That Bug Us
Activity
Creatures That Bug Us
Second Grade
Engineering and Science Inquiry
There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.
Activity
Creatures That Bug Us
Activity
Creatures That Bug Us
There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.
Second Grade
Engineering and Science Inquiry
Activity
Making Fake Snot!
Activity
Making Fake Snot!
Fourth Grade
Engineering and Science Inquiry
Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
Activity
Making Fake Snot!
Activity
Making Fake Snot!
Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
Fourth Grade
Engineering and Science Inquiry
Activity
Color Changing Milk Experiment
Activity
Color Changing Milk Experiment
Second Grade
Engineering and Science Inquiry
Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.
Activity
Color Changing Milk Experiment
Activity
Color Changing Milk Experiment
Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.
Second Grade
Engineering and Science Inquiry
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
Greenhouse Project
Activity
Greenhouse Project
Third Grade
Measurement
This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
Activity
Greenhouse Project
Activity
Greenhouse Project
This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
Third Grade
Measurement
Activity
Why Do Apples Turn Brown?
Activity
Why Do Apples Turn Brown?
Fourth Grade
Engineering and Science Inquiry
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Activity
Why Do Apples Turn Brown?
Activity
Why Do Apples Turn Brown?
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Fourth Grade
Engineering and Science Inquiry
Activity
Arctic Tundra Animals
Activity
Arctic Tundra Animals
Fourth Grade
Engineering and Science Inquiry
Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.
Activity
Arctic Tundra Animals
Activity
Arctic Tundra Animals
Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.
Fourth Grade
Engineering and Science Inquiry
Activity
Hero's Engine: Example of Newton's Third Law
Activity
Hero's Engine: Example of Newton's Third Law
Second Grade
Engineering and Science Inquiry
In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.
Activity
Hero's Engine: Example of Newton's Third Law
Activity
Hero's Engine: Example of Newton's Third Law
In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.
Second Grade
Engineering and Science Inquiry
Activity
1
2
3
4
5
…
17