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
Show Less
Filters
Search for: adding, subtracting, unlike
✕
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
Occasion
Spring
Easter
Earth Day
Summer
Father's Day
Halloween
Winter
Holidays
Arts & Crafts
Arts & Crafts
Paper & Glue Crafts
Construction & Sculpture
Painting & Drawing
Recycled Crafts
Recipes
Snacks
See More
Clear All
View 211 results
Showing Results for adding subtracting unlike : Page 3
211 results
Search for: adding, subtracting, unlike
✕
Science
✕
Activities
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
211 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
Endothermic and Exothermic Reactions Experiment
Activity
Endothermic and Exothermic Reactions Experiment
Engineering and Science Inquiry
Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.
Activity
Endothermic and Exothermic Reactions Experiment
Activity
Endothermic and Exothermic Reactions Experiment
Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.
Engineering and Science Inquiry
Activity
Show the Direction of Magnetic Field Lines
Activity
Show the Direction of Magnetic Field Lines
Second Grade
Engineering and Science Inquiry
Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.
Activity
Show the Direction of Magnetic Field Lines
Activity
Show the Direction of Magnetic Field Lines
Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.
Second Grade
Engineering and Science Inquiry
Activity
The Effect of Caffeine on Plant Growth
Activity
The Effect of Caffeine on Plant Growth
Life Science
The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.
Activity
The Effect of Caffeine on Plant Growth
Activity
The Effect of Caffeine on Plant Growth
The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.
Life Science
Activity
How to Extract Caffeine from Gunpowder Green Tea
Activity
How to Extract Caffeine from Gunpowder Green Tea
Engineering and Science Inquiry
In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.
Activity
How to Extract Caffeine from Gunpowder Green Tea
Activity
How to Extract Caffeine from Gunpowder Green Tea
In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.
Engineering and Science Inquiry
Activity
Keep the Boat Afloat
Activity
Keep the Boat Afloat
Third Grade
Engineering and Science Inquiry
This science fair project idea examines the reason boats are shaped and engineered.
Activity
Keep the Boat Afloat
Activity
Keep the Boat Afloat
This science fair project idea examines the reason boats are shaped and engineered.
Third 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
Ice Cream Science
Activity
Ice Cream Science
First Grade
Physical Science
What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!
Activity
Ice Cream Science
Activity
Ice Cream Science
What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!
First Grade
Physical Science
Activity
Duck Feet
Activity
Duck Feet
First Grade
Engineering and Science Inquiry
This science fair project idea investigates if webbed feet help a duck (and others) swim.
Activity
Duck Feet
Activity
Duck Feet
This science fair project idea investigates if webbed feet help a duck (and others) swim.
First Grade
Engineering and Science Inquiry
Activity
Total Alkalinity and pH of Personal Care Products
Activity
Total Alkalinity and pH of Personal Care Products
Fifth Grade
Engineering and Science Inquiry
Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.
Activity
Total Alkalinity and pH of Personal Care Products
Activity
Total Alkalinity and pH of Personal Care Products
Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.
Fifth Grade
Engineering and Science Inquiry
Activity
Work and Energy
Activity
Work and Energy
Fourth Grade
Engineering and Science Inquiry
Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.
Activity
Work and Energy
Activity
Work and Energy
Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.
Fourth Grade
Engineering and Science Inquiry
Activity
How to use Colored Filters to Send Secret Messages
Activity
How to use Colored Filters to Send Secret Messages
Third Grade
Engineering and Science Inquiry
Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.
Activity
How to use Colored Filters to Send Secret Messages
Activity
How to use Colored Filters to Send Secret Messages
Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.
Third Grade
Engineering and Science Inquiry
Activity
Surface Features of the Moon Model
Activity
Surface Features of the Moon Model
Fifth Grade
Engineering and Science Inquiry
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Activity
Surface Features of the Moon Model
Activity
Surface Features of the Moon Model
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Fifth 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
Buoyant Force of Water
Activity
Buoyant Force of Water
Sixth Grade
Engineering and Science Inquiry
The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.
Activity
Buoyant Force of Water
Activity
Buoyant Force of Water
The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.
Sixth Grade
Engineering and Science Inquiry
Activity
How to Make Compost
Activity
How to Make Compost
Kindergarten
Life Science
Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!
Activity
How to Make Compost
Activity
How to Make Compost
Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!
Kindergarten
Life Science
Activity
Let's Go Caving!
Activity
Let's Go Caving!
Engineering and Science Inquiry
Science fair project that demonstrates how stalagmites and stalactites are formed.
Activity
Let's Go Caving!
Activity
Let's Go Caving!
Science fair project that demonstrates how stalagmites and stalactites are formed.
Engineering and Science Inquiry
Activity
Flower Prints
Activity
Flower Prints
Kindergarten
Earth and Space Science
Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.
Activity
Flower Prints
Activity
Flower Prints
Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.
Kindergarten
Earth and Space Science
Activity
Chirping Crickets
Activity
Chirping Crickets
Measurement
Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?
Activity
Chirping Crickets
Activity
Chirping Crickets
Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?
Measurement
Activity
Antacid Potentcy
Activity
Antacid Potentcy
Engineering and Science Inquiry
Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Activity
Antacid Potentcy
Activity
Antacid Potentcy
Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Engineering and Science Inquiry
Activity
How to Make Peanut Butter
Activity
How to Make Peanut Butter
First Grade
Engineering and Science Inquiry
Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!
Activity
How to Make Peanut Butter
Activity
How to Make Peanut Butter
Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!
First Grade
Engineering and Science Inquiry
Activity
Match That! A Spatial Observation Game
Activity
Match That! A Spatial Observation Game
Engineering and Science Inquiry
Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.
Activity
Match That! A Spatial Observation Game
Activity
Match That! A Spatial Observation Game
Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.
Engineering and Science Inquiry
Activity
Get Revved Up About Preschool Physics
Activity
Get Revved Up About Preschool Physics
Pre-K
Physical Science
Teach your preschooler some physics that she can relate to with this fun and simple activity!
Activity
Get Revved Up About Preschool Physics
Activity
Get Revved Up About Preschool Physics
Teach your preschooler some physics that she can relate to with this fun and simple activity!
Pre-K
Physical Science
Activity
Moss Soup
Activity
Moss Soup
Engineering and Science Inquiry
Science fair project that determines whether spreading a moss soup over an area increases moss growth.
Activity
Moss Soup
Activity
Moss Soup
Science fair project that determines whether spreading a moss soup over an area increases moss growth.
Engineering and Science Inquiry
Activity
Make Garden Pinwheels
Activity
Make Garden Pinwheels
Kindergarten
Earth and Space Science
Help your child add some flair to the family garden with pencil pinwheels!
Activity
Make Garden Pinwheels
Activity
Make Garden Pinwheels
Help your child add some flair to the family garden with pencil pinwheels!
Kindergarten
Earth and Space Science
Activity
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
Homemade Ice Cream Maker
Activity
Homemade Ice Cream Maker
First Grade
Physical Science
Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.
Activity
Homemade Ice Cream Maker
Activity
Homemade Ice Cream Maker
Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.
First Grade
Physical Science
Activity
Air Pressure Experiment
Activity
Air Pressure Experiment
First Grade
Physical Science
Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.
Activity
Air Pressure Experiment
Activity
Air Pressure Experiment
Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.
First Grade
Physical Science
Activity
Green Toe
Activity
Green Toe
Measurement
Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks
Activity
Green Toe
Activity
Green Toe
Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks
Measurement
Activity
Marbled Paper
Activity
Marbled Paper
Second Grade
Physical Science
This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!
Activity
Marbled Paper
Activity
Marbled Paper
This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!
Second Grade
Physical Science
Activity
Feeder Bird Identification and Food Preference
Activity
Feeder Bird Identification and Food Preference
Measurement
This science fair project idea investigates food preference of birds.
Activity
Feeder Bird Identification and Food Preference
Activity
Feeder Bird Identification and Food Preference
This science fair project idea investigates food preference of birds.
Measurement
Activity
1
2
3
4
…
8