SKIP TO CONTENT
All SubjectsScience
Subtopics:

Showing Results for two digit addition using : Page 11

408 results
Search for: two, digit, addition, using
✕
Science
✕
4th Grade
✕
Clear All
Sort by:
408 results
Sort by:
Stars In The Sky
Stars In The Sky
Activity
Stars In The Sky large image
Stars In The Sky
Fourth Grade
Engineering and Science Inquiry
This science fair project investigates why the number of visible stars changes from place to place.
Activity
Stars In The Sky
Stars In The Sky
Activity
Stars In The Sky
This science fair project investigates why the number of visible stars changes from place to place.
Fourth Grade
Engineering and Science Inquiry
Activity
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
Activity
The Best Stain Remover for Clothes: Testing Laundry Stain Removal large image
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
Fourth Grade
Life Science
What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.
Activity
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
Activity
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.
Fourth Grade
Life Science
Activity
Can Crystals Show Color Mixing?
Can Crystals Show Color Mixing?
Activity
Can Crystals Show Color Mixing? large image
Can Crystals Show Color Mixing?
Second Grade
Engineering and Science Inquiry
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Activity
Can Crystals Show Color Mixing?
Can Crystals Show Color Mixing?
Activity
Can Crystals Show Color Mixing?
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Second Grade
Engineering and Science Inquiry
Activity
How to Make a Bouncy Ball
How to Make a Bouncy Ball
Activity
How to Make a Bouncy Ball large image
How to Make a Bouncy Ball
Third Grade
Physical Science
In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.
Activity
How to Make a Bouncy Ball
How to Make a Bouncy Ball
Activity
How to Make a Bouncy Ball
In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.
Third Grade
Physical Science
Activity
Wacky Windmill Challenge
Wacky Windmill Challenge
Lesson Plan
Wacky Windmill Challenge large image
Wacky Windmill Challenge
Fourth Grade
Engineering and Science Inquiry
Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.
Lesson Plan
Wacky Windmill Challenge
Wacky Windmill Challenge
Lesson Plan
Wacky Windmill Challenge
Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.
Fourth Grade
Engineering and Science Inquiry
Lesson Plan
Exploring the Movement of Tectonic Plates with S'Mores
Exploring the Movement of Tectonic Plates with S'Mores
Activity
Exploring the Movement of Tectonic Plates with S'Mores large image
Exploring the Movement of Tectonic Plates with S'Mores
Third Grade
Engineering and Science Inquiry
In this experiment you explore how tectonic plates move to create land and expand bodies of water.
Activity
Exploring the Movement of Tectonic Plates with S'Mores
Exploring the Movement of Tectonic Plates with S'Mores
Activity
Exploring the Movement of Tectonic Plates with S'Mores
In this experiment you explore how tectonic plates move to create land and expand bodies of water.
Third Grade
Engineering and Science Inquiry
Activity
All About the Digestive System
All About the Digestive System
Lesson Plan
All About the Digestive System large image
All About the Digestive System
Fourth Grade
Life Science
Use this lesson to show your students how food travels from the mouth to the stomach. Additionally, show them how the digestive system delivers important nutrients to other parts of the body and also excretes wastes from the body.
Lesson Plan
All About the Digestive System
All About the Digestive System
Lesson Plan
All About the Digestive System
Use this lesson to show your students how food travels from the mouth to the stomach. Additionally, show them how the digestive system delivers important nutrients to other parts of the body and also excretes wastes from the body.
Fourth Grade
Life Science
Lesson Plan
Get Cracking
Get Cracking
Activity
Get Cracking large image
Get Cracking
Second Grade
Engineering and Science Inquiry
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Activity
Get Cracking
Get Cracking
Activity
Get Cracking
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Second Grade
Engineering and Science Inquiry
Activity
Testing Water Hardness
Activity
Testing Water Hardness
Fourth Grade
Engineering and Science Inquiry
This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.
Activity
Testing Water Hardness
Activity
Testing Water Hardness
This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.
Fourth Grade
Engineering and Science Inquiry
Activity
Upside-Down Plants
Upside-Down Plants
Activity
Upside-Down Plants large image
Upside-Down Plants
Third Grade
Engineering and Science Inquiry
This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.
Activity
Upside-Down Plants
Upside-Down Plants
Activity
Upside-Down Plants
This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.
Third Grade
Engineering and Science Inquiry
Activity
Cooling Food: Microwave vs. Oven
Cooling Food: Microwave vs. Oven
Activity
Cooling Food: Microwave vs. Oven large image
Cooling Food: Microwave vs. Oven
Fourth Grade
Engineering and Science Inquiry
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Activity
Cooling Food: Microwave vs. Oven
Cooling Food: Microwave vs. Oven
Activity
Cooling Food: Microwave vs. Oven
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Fourth Grade
Engineering and Science Inquiry
Activity
Can Dog Drool Kill Germs?
Can Dog Drool Kill Germs?
Activity
Can Dog Drool Kill Germs? large image
Can Dog Drool Kill Germs?
Fourth Grade
Engineering and Science Inquiry
This science experiment tests if dog saliva can really help heal wounds.
Activity
Can Dog Drool Kill Germs?
Can Dog Drool Kill Germs?
Activity
Can Dog Drool Kill Germs?
This science experiment tests if dog saliva can really help heal wounds.
Fourth Grade
Engineering and Science Inquiry
Activity
Counting Tree Rings
Counting Tree Rings
Activity
Counting Tree Rings large image
Counting Tree Rings
Fourth Grade
Engineering and Science Inquiry
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Activity
Counting Tree Rings
Counting Tree Rings
Activity
Counting Tree Rings
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Fourth Grade
Engineering and Science Inquiry
Activity
Mouth Bacteria?
Mouth Bacteria?
Activity
Mouth Bacteria? large image
Mouth Bacteria?
Fourth Grade
Life Science
Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.
Activity
Mouth Bacteria?
Mouth Bacteria?
Activity
Mouth Bacteria?
Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.
Fourth Grade
Life Science
Activity
Sand Bridge
Sand Bridge
Activity
Sand Bridge large image
Sand Bridge
Fourth Grade
Engineering and Science Inquiry
Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.
Activity
Sand Bridge
Sand Bridge
Activity
Sand Bridge
Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.
Fourth Grade
Engineering and Science Inquiry
Activity
Lung Model
Lung Model
Activity
Lung Model large image
Lung Model
Fourth Grade
Life Science
Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.
Activity
Lung Model
Lung Model
Activity
Lung Model
Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.
Fourth Grade
Life Science
Activity
Flying Potato
Flying Potato
Activity
Flying Potato large image
Flying Potato
Fourth Grade
Physical Science
These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.
Activity
Flying Potato
Flying Potato
Activity
Flying Potato
These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.
Fourth Grade
Physical Science
Activity
Heat from Light Bulbs
Activity
Heat from Light Bulbs
Fourth Grade
Engineering and Science Inquiry
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Activity
Heat from Light Bulbs
Activity
Heat from Light Bulbs
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Fourth Grade
Engineering and Science Inquiry
Activity
Form and Function
Form and Function
Activity
Form and Function large image
Form and Function
First Grade
Engineering and Science Inquiry
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
Activity
Form and Function
Form and Function
Activity
Form and Function
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
First Grade
Engineering and Science Inquiry
Activity
Is it a Fruit or a Veggie?
Is it a Fruit or a Veggie?
Activity
Is it a Fruit or a Veggie? large image
Is it a Fruit or a Veggie?
Second Grade
Engineering and Science Inquiry
This science fair project teaches students the differences between fruits and vegetables.
Activity
Is it a Fruit or a Veggie?
Is it a Fruit or a Veggie?
Activity
Is it a Fruit or a Veggie?
This science fair project teaches students the differences between fruits and vegetables.
Second Grade
Engineering and Science Inquiry
Activity
Roasted Pumpkin Seeds
Roasted Pumpkin Seeds
Activity
Roasted Pumpkin Seeds large image
Roasted Pumpkin Seeds
Pre-K
Life Science
Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!
Activity
Roasted Pumpkin Seeds
Roasted Pumpkin Seeds
Activity
Roasted Pumpkin Seeds
Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!
Pre-K
Life Science
Activity
Does a Dark Fridge Prevent Food from Spoiling?
Does a Dark Fridge Prevent Food from Spoiling?
Activity
Does a Dark Fridge Prevent Food from Spoiling? large image
Does a Dark Fridge Prevent Food from Spoiling?
Third Grade
Engineering and Science Inquiry
Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.
Activity
Does a Dark Fridge Prevent Food from Spoiling?
Does a Dark Fridge Prevent Food from Spoiling?
Activity
Does a Dark Fridge Prevent Food from Spoiling?
Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.
Third Grade
Engineering and Science Inquiry
Activity
Shapes of Leaves
Shapes of Leaves
Activity
Shapes of Leaves large image
Shapes of Leaves
Fourth Grade
Engineering and Science Inquiry
This science project teaches students to classify different shapes of leaves.
Activity
Shapes of Leaves
Shapes of Leaves
Activity
Shapes of Leaves
This science project teaches students to classify different shapes of leaves.
Fourth Grade
Engineering and Science Inquiry
Activity
The Wonderful World of Weeds
The Wonderful World of Weeds
Activity
The Wonderful World of Weeds large image
The Wonderful World of Weeds
Fourth Grade
Engineering and Science Inquiry
This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.
Activity
The Wonderful World of Weeds
The Wonderful World of Weeds
Activity
The Wonderful World of Weeds
This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.
Fourth Grade
Engineering and Science Inquiry
Activity
Rats!
Rats!
Activity
Rats! large image
Rats!
Second Grade
Engineering and Science Inquiry
This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.
Activity
Rats!
Rats!
Activity
Rats!
This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.
Second Grade
Engineering and Science Inquiry
Activity
Halloween Decorations: Make Ghouly Hands!
Halloween Decorations: Make Ghouly Hands!
Activity
Halloween Decorations: Make Ghouly Hands! large image
Halloween Decorations: Make Ghouly Hands!
Second Grade
Physical Science
Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.
Activity
Halloween Decorations: Make Ghouly Hands!
Halloween Decorations: Make Ghouly Hands!
Activity
Halloween Decorations: Make Ghouly Hands!
Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.
Second Grade
Physical Science
Activity
Latent Fingerprints
Activity
Latent Fingerprints
First Grade
Engineering and Science Inquiry
Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.
Activity
Latent Fingerprints
Activity
Latent Fingerprints
Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.
First Grade
Engineering and Science Inquiry
Activity
Echoes: How Sound Waves are Reflected and Absorbed
Echoes: How Sound Waves are Reflected and Absorbed
Activity
Echoes: How Sound Waves are Reflected and Absorbed large image
Echoes: How Sound Waves are Reflected and Absorbed
Fourth Grade
Engineering and Science Inquiry
Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.
Activity
Echoes: How Sound Waves are Reflected and Absorbed
Echoes: How Sound Waves are Reflected and Absorbed
Activity
Echoes: How Sound Waves are Reflected and Absorbed
Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.
Fourth Grade
Engineering and Science Inquiry
Activity
Does Skin Thickness Decrease Fruit Spoilage Rate?
Does Skin Thickness Decrease Fruit Spoilage Rate?
Activity
Does Skin Thickness Decrease Fruit Spoilage Rate? large image
Does Skin Thickness Decrease Fruit Spoilage Rate?
Fourth Grade
Engineering and Science Inquiry
Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!
Activity
Does Skin Thickness Decrease Fruit Spoilage Rate?
Does Skin Thickness Decrease Fruit Spoilage Rate?
Activity
Does Skin Thickness Decrease Fruit Spoilage Rate?
Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!
Fourth Grade
Engineering and Science Inquiry
Activity
Making A Rock In A Cup
Making A Rock In A Cup
Activity
Making A Rock In A Cup large image
Making A Rock In A Cup
Fourth Grade
Engineering and Science Inquiry
This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
Activity
Making A Rock In A Cup
Making A Rock In A Cup
Activity
Making A Rock In A Cup
This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
Fourth Grade
Engineering and Science Inquiry
Activity
1…1011121314