SKIP TO CONTENT

Showing Results for number problems

View all resourcesScienceEngineering and Science Inquiry
142 results
Search for: number, problems
✕
Science
✕
2nd - 5th Grade
✕
Clear all
142 results
Subtopics:

Showing Results for number problems

142 results
Search for: number, problems
✕
Science
✕
2nd - 5th Grade
✕
Clear all
142 results
Nine: The Biggest Little Number
Nine: The Biggest Little Number
Activity
Nine: The Biggest Little Number large image
Nine: The Biggest Little Number
Fifth Grade
Engineering and Science Inquiry
Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.
Activity
Nine: The Biggest Little Number
Nine: The Biggest Little Number
Activity
Nine: The Biggest Little Number
Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.
Fifth Grade
Engineering and Science Inquiry
Activity
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
Invertebrate Ecology
Invertebrate Ecology
Activity
Invertebrate Ecology large image
Invertebrate Ecology
Fifth Grade
Engineering and Science Inquiry
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Activity
Invertebrate Ecology
Invertebrate Ecology
Activity
Invertebrate Ecology
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Fifth Grade
Engineering and Science Inquiry
Activity
Spot the Lab Safety Problems
Spot the Lab Safety Problems
Worksheet
Spot the Lab Safety Problems large image
Spot the Lab Safety Problems
Fourth Grade
Engineering and Science Inquiry
Make sure your young scientists stay safe as they conduct experiments!
Worksheet
Spot the Lab Safety Problems
Spot the Lab Safety Problems
Worksheet
Spot the Lab Safety Problems
Make sure your young scientists stay safe as they conduct experiments!
Fourth Grade
Engineering and Science Inquiry
Worksheet
Where Did the Ladybug Get Her Spots?
Where Did the Ladybug Get Her Spots?
Activity
Where Did the Ladybug Get Her Spots? large image
Where Did the Ladybug Get Her Spots?
Second Grade
Engineering and Science Inquiry
This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.
Activity
Where Did the Ladybug Get Her Spots?
Where Did the Ladybug Get Her Spots?
Activity
Where Did the Ladybug Get Her Spots?
This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.
Second Grade
Engineering and Science Inquiry
Activity
Troubleshooting
Troubleshooting
Lesson Plan
Troubleshooting large image
Troubleshooting
Third Grade
Engineering and Science Inquiry
In this lesson, students will learn the term "troubleshooting" and practice solving problems using both tangible and virtual tools.
Lesson Plan
Troubleshooting
Troubleshooting
Lesson Plan
Troubleshooting
In this lesson, students will learn the term "troubleshooting" and practice solving problems using both tangible and virtual tools.
Third Grade
Engineering and Science Inquiry
Lesson Plan
Don't Rock the Boat
Don't Rock the Boat
Activity
Don't Rock the Boat large image
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
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
Plane Mirror Reflection Experiment
Plane Mirror Reflection Experiment
Activity
Plane Mirror Reflection Experiment large image
Plane Mirror Reflection Experiment
Fifth Grade
Engineering and Science Inquiry
In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!
Activity
Plane Mirror Reflection Experiment
Plane Mirror Reflection Experiment
Activity
Plane Mirror Reflection Experiment
In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!
Fifth Grade
Engineering and Science Inquiry
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
Potato Chip Science: How Greasy Are Your Potato Chips?
Activity
Potato Chip Science: How Greasy Are Your Potato Chips? large image
Potato Chip Science: How Greasy Are Your Potato Chips?
Fourth Grade
Engineering and Science Inquiry
How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
Potato Chip Science: How Greasy Are Your Potato Chips?
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.
Fourth Grade
Engineering and Science Inquiry
Activity
An Average Day's Walk
An Average Day's Walk
Activity
An Average Day's Walk large image
An Average Day's Walk
Fifth Grade
Engineering and Science Inquiry
This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.
Activity
An Average Day's Walk
An Average Day's Walk
Activity
An Average Day's Walk
This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.
Fifth Grade
Engineering and Science Inquiry
Activity
Does Liquid Weigh More after Freezing and Boiling?
Does Liquid Weigh More after Freezing and Boiling?
Activity
Does Liquid Weigh More after Freezing and Boiling? large image
Does Liquid Weigh More after Freezing and Boiling?
Fifth Grade
Measurement
This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.
Activity
Does Liquid Weigh More after Freezing and Boiling?
Does Liquid Weigh More after Freezing and Boiling?
Activity
Does Liquid Weigh More after Freezing and Boiling?
This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.
Fifth Grade
Measurement
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
Is There a Relationship Between Tempo and Genre?
Is There a Relationship Between Tempo and Genre?
Activity
Is There a Relationship Between Tempo and Genre? large image
Is There a Relationship Between Tempo and Genre?
Second Grade
Engineering and Science Inquiry
Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.
Activity
Is There a Relationship Between Tempo and Genre?
Is There a Relationship Between Tempo and Genre?
Activity
Is There a Relationship Between Tempo and Genre?
Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.
Second Grade
Engineering and Science Inquiry
Activity
Fungi Biodiversity
Fungi Biodiversity
Activity
Fungi Biodiversity large image
Fungi Biodiversity
Fifth Grade
Life Science
Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.
Activity
Fungi Biodiversity
Fungi Biodiversity
Activity
Fungi Biodiversity
Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.
Fifth Grade
Life Science
Activity
Six Degrees of Separation
Six Degrees of Separation
Activity
Six Degrees of Separation large image
Six Degrees of Separation
Fifth Grade
Engineering and Science Inquiry
Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.
Activity
Six Degrees of Separation
Six Degrees of Separation
Activity
Six Degrees of Separation
Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.
Fifth Grade
Engineering and Science Inquiry
Activity
The Relationship Between Toilet Paper Ply and Strength
The Relationship Between Toilet Paper Ply and Strength
Activity
The Relationship Between Toilet Paper Ply and Strength large image
The Relationship Between Toilet Paper Ply and Strength
Third Grade
Engineering and Science Inquiry
This project compares the strength of one, two, and three-ply toilet paper.
Activity
The Relationship Between Toilet Paper Ply and Strength
The Relationship Between Toilet Paper Ply and Strength
Activity
The Relationship Between Toilet Paper Ply and Strength
This project compares the strength of one, two, and three-ply toilet paper.
Third Grade
Engineering and Science Inquiry
Activity
Musical Key
Musical Key
Activity
Musical Key large image
Musical Key
Fifth Grade
Engineering and Science Inquiry
Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.
Activity
Musical Key
Musical Key
Activity
Musical Key
Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.
Fifth Grade
Engineering and Science Inquiry
Activity
The Drawbacks of an Optical Mouse
The Drawbacks of an Optical Mouse
Activity
The Drawbacks of an Optical Mouse large image
The Drawbacks of an Optical Mouse
Fifth Grade
Engineering and Science Inquiry
Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.
Activity
The Drawbacks of an Optical Mouse
The Drawbacks of an Optical Mouse
Activity
The Drawbacks of an Optical Mouse
Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.
Fifth Grade
Engineering and Science Inquiry
Activity
Read a Thermometer
Read a Thermometer
Worksheet
Read a Thermometer large image
Read a Thermometer
Second Grade
Measurement
Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 
Worksheet
Read a Thermometer
Read a Thermometer
Worksheet
Read a Thermometer
Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 
Second Grade
Measurement
Worksheet
Probability
Probability
Activity
Probability large image
Probability
Fifth Grade
Engineering and Science Inquiry
Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.
Activity
Probability
Probability
Activity
Probability
Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.
Fifth Grade
Engineering and Science Inquiry
Activity
Structure Building Challenge
Structure Building Challenge
Lesson Plan
Structure Building Challenge large image
Structure Building Challenge
Second Grade
Engineering and Science Inquiry
Get your students to be builders and create structures with a variety of materials. Students will have the opportunity to be creative, cooperate in groups, and discuss their experience.
Lesson Plan
Structure Building Challenge
Structure Building Challenge
Lesson Plan
Structure Building Challenge
Get your students to be builders and create structures with a variety of materials. Students will have the opportunity to be creative, cooperate in groups, and discuss their experience.
Second Grade
Engineering and Science Inquiry
Lesson Plan
Guys vs. Girls: Who Has Better Reflexes?
Guys vs. Girls: Who Has Better Reflexes?
Activity
Guys vs. Girls: Who Has Better Reflexes? large image
Guys vs. Girls: Who Has Better Reflexes?
Fourth Grade
Engineering and Science Inquiry
This science fair project idea examines whether boys and girls differ in reflexes.
Activity
Guys vs. Girls: Who Has Better Reflexes?
Guys vs. Girls: Who Has Better Reflexes?
Activity
Guys vs. Girls: Who Has Better Reflexes?
This science fair project idea examines whether boys and girls differ in reflexes.
Fourth Grade
Engineering and Science Inquiry
Activity
Soil Ecology
Soil Ecology
Activity
Soil Ecology large image
Soil Ecology
Fifth Grade
Engineering and Science Inquiry
Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.
Activity
Soil Ecology
Soil Ecology
Activity
Soil Ecology
Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.
Fifth Grade
Engineering and Science Inquiry
Activity
What Lives in the Air Conditioner?
What Lives in the Air Conditioner?
Activity
What Lives in the Air Conditioner? large image
What Lives in the Air Conditioner?
Third Grade
Life Science
In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.
Activity
What Lives in the Air Conditioner?
What Lives in the Air Conditioner?
Activity
What Lives in the Air Conditioner?
In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.
Third Grade
Life Science
Activity
Attracting Beneficial Insects to Your Garden
Attracting Beneficial Insects to Your Garden
Activity
Attracting Beneficial Insects to Your Garden large image
Attracting Beneficial Insects to Your Garden
Fourth Grade
Engineering and Science Inquiry
Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!
Activity
Attracting Beneficial Insects to Your Garden
Attracting Beneficial Insects to Your Garden
Activity
Attracting Beneficial Insects to Your Garden
Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!
Fourth Grade
Engineering and Science Inquiry
Activity
Food Consumption: Who Eats More?
Food Consumption: Who Eats More?
Activity
Food Consumption: Who Eats More? large image
Food Consumption: Who Eats More?
Second Grade
Engineering and Science Inquiry
Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!
Activity
Food Consumption: Who Eats More?
Food Consumption: Who Eats More?
Activity
Food Consumption: Who Eats More?
Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!
Second Grade
Engineering and Science Inquiry
Activity
Color and Emotion Perception
Color and Emotion Perception
Activity
Color and Emotion Perception large image
Color and Emotion Perception
Fifth Grade
Engineering and Science Inquiry
This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.
Activity
Color and Emotion Perception
Color and Emotion Perception
Activity
Color and Emotion Perception
This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.
Fifth Grade
Engineering and Science Inquiry
Activity
Do Screen and Text Color Affect Retention?
Do Screen and Text Color Affect Retention?
Activity
Do Screen and Text Color Affect Retention? large image
Do Screen and Text Color Affect Retention?
Fourth Grade
Engineering and Science Inquiry
This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Activity
Do Screen and Text Color Affect Retention?
Do Screen and Text Color Affect Retention?
Activity
Do Screen and Text Color Affect Retention?
This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Fourth Grade
Engineering and Science Inquiry
Activity
The Mohs Test: How to Compare the Hardness of Minerals
The Mohs Test: How to Compare the Hardness of Minerals
Activity
The Mohs Test: How to Compare the Hardness of Minerals large image
The Mohs Test: How to Compare the Hardness of Minerals
Third Grade
Engineering and Science Inquiry
This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.
Activity
The Mohs Test: How to Compare the Hardness of Minerals
The Mohs Test: How to Compare the Hardness of Minerals
Activity
The Mohs Test: How to Compare the Hardness of Minerals
This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.
Third Grade
Engineering and Science Inquiry
Activity
Soda Calories
Soda Calories
Activity
Soda Calories large image
Soda Calories
Third Grade
Engineering and Science Inquiry
Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.
Activity
Soda Calories
Soda Calories
Activity
Soda Calories
Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.
Third Grade
Engineering and Science Inquiry
Activity
12345