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Showing Results for number problems : Page 6
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501 results
Search for: number, problems
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Science
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501 results
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Second Grade
Engineering and Science Inquiry
In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.
Second Grade
Engineering and Science Inquiry
Activity
Measuring Things
Activity
Measuring Things
Engineering and Science Inquiry
Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.
Activity
Measuring Things
Activity
Measuring Things
Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.
Engineering and Science Inquiry
Activity
Parallax
Activity
Parallax
Engineering and Science Inquiry
Science fair project that explains and demonstrates the parallax principle.
Activity
Parallax
Activity
Parallax
Science fair project that explains and demonstrates the parallax principle.
Engineering and Science Inquiry
Activity
How to Grow Mold
Activity
How to Grow Mold
Engineering and Science Inquiry
This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.
Activity
How to Grow Mold
Activity
How to Grow Mold
This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.
Engineering and Science Inquiry
Activity
Encoding Digital Images
Activity
Encoding Digital Images
Engineering and Science Inquiry
Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.
Activity
Encoding Digital Images
Activity
Encoding Digital Images
Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.
Engineering and Science Inquiry
Activity
How Much Time Does Technology Take?
Activity
How Much Time Does Technology Take?
Engineering and Science Inquiry
This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.
Activity
How Much Time Does Technology Take?
Activity
How Much Time Does Technology Take?
This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.
Engineering and Science Inquiry
Activity
Plants and Soil Acidity
Activity
Plants and Soil Acidity
Engineering and Science Inquiry
This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.
Activity
Plants and Soil Acidity
Activity
Plants and Soil Acidity
This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.
Engineering and Science Inquiry
Activity
Popping Balloons
Activity
Popping Balloons
Engineering and Science Inquiry
Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.
Activity
Popping Balloons
Activity
Popping Balloons
Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.
Engineering and Science Inquiry
Activity
Wrinkle Removal Products
Activity
Wrinkle Removal Products
Measurement
Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.
Activity
Wrinkle Removal Products
Activity
Wrinkle Removal Products
Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.
Measurement
Activity
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
Activity
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
Engineering and Science Inquiry
This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.
Activity
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
Activity
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.
Engineering and Science Inquiry
Activity
Reaction Time: The Ruler Drop Test
Activity
Reaction Time: The Ruler Drop Test
Fourth Grade
Engineering and Science Inquiry
In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.
Activity
Reaction Time: The Ruler Drop Test
Activity
Reaction Time: The Ruler Drop Test
In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.
Fourth Grade
Engineering and Science Inquiry
Activity
Born to Rebel: Birth Order and Personality
Activity
Born to Rebel: Birth Order and Personality
Engineering and Science Inquiry
Explore the relationship between personality traits and birth order effects.
Activity
Born to Rebel: Birth Order and Personality
Activity
Born to Rebel: Birth Order and Personality
Explore the relationship between personality traits and birth order effects.
Engineering and Science Inquiry
Activity
The Best Day to Fly a Kite
Activity
The Best Day to Fly a Kite
Engineering and Science Inquiry
Determine how wind speed affects the stability of a kite and the ease of getting it into the air.
Activity
The Best Day to Fly a Kite
Activity
The Best Day to Fly a Kite
Determine how wind speed affects the stability of a kite and the ease of getting it into the air.
Engineering and Science Inquiry
Activity
Preserving Foods
Activity
Preserving Foods
Fourth Grade
Engineering and Science Inquiry
This science fair project idea determines the most effective method of preserving food.
Activity
Preserving Foods
Activity
Preserving Foods
This science fair project idea determines the most effective method of preserving food.
Fourth Grade
Engineering and Science Inquiry
Activity
How to Make a Bouncy Ball
Activity
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
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
Light & Color
Activity
Light & Color
Engineering and Science Inquiry
Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.
Activity
Light & Color
Activity
Light & Color
Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.
Engineering and Science Inquiry
Activity
Candle Lit Energy
Activity
Candle Lit Energy
Measurement
Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.
Activity
Candle Lit Energy
Activity
Candle Lit Energy
Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.
Measurement
Activity
Counting Tree Rings
Activity
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
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
Testing Soil from an Abandoned Field for Future Secondary Succession
Activity
Testing Soil from an Abandoned Field for Future Secondary Succession
Engineering and Science Inquiry
Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.
Activity
Testing Soil from an Abandoned Field for Future Secondary Succession
Activity
Testing Soil from an Abandoned Field for Future Secondary Succession
Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.
Engineering and Science Inquiry
Activity
Exploring Author's Purpose and Point of View
Lesson Plan
Exploring Author's Purpose and Point of View
Third Grade
Life Science
We aren’t mind readers, but we can still figure out why the author wrote a text and what an author thinks about the topic! This lesson will teach your students the main purposes for writing.
Lesson Plan
Exploring Author's Purpose and Point of View
Lesson Plan
Exploring Author's Purpose and Point of View
We aren’t mind readers, but we can still figure out why the author wrote a text and what an author thinks about the topic! This lesson will teach your students the main purposes for writing.
Third Grade
Life Science
Lesson Plan
Folding Paper
Activity
Folding Paper
Second Grade
Engineering and Science Inquiry
Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.
Activity
Folding Paper
Activity
Folding Paper
Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.
Second Grade
Engineering and Science Inquiry
Activity
Helium Rising
Activity
Helium Rising
Fifth Grade
Measurement
Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Activity
Helium Rising
Activity
Helium Rising
Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Fifth Grade
Measurement
Activity
Color Vision Deficiencies in Human Subjects
Activity
Color Vision Deficiencies in Human Subjects
Engineering and Science Inquiry
This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.
Activity
Color Vision Deficiencies in Human Subjects
Activity
Color Vision Deficiencies in Human Subjects
This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.
Engineering and Science Inquiry
Activity
Upside-Down Plants
Activity
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
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
Coral Reef Creatures
Lesson Plan
Coral Reef Creatures
Fourth Grade
Life Science
Coral reef life comes alive in this fun label and match activity that challenges students’ deductive reasoning skills and allows for artistic expression.
Lesson Plan
Coral Reef Creatures
Lesson Plan
Coral Reef Creatures
Coral reef life comes alive in this fun label and match activity that challenges students’ deductive reasoning skills and allows for artistic expression.
Fourth Grade
Life Science
Lesson Plan
What Is the Best Way to Wash Your Hands?
Activity
What Is the Best Way to Wash Your Hands?
Kindergarten
Engineering and Science Inquiry
This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.
Activity
What Is the Best Way to Wash Your Hands?
Activity
What Is the Best Way to Wash Your Hands?
This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.
Kindergarten
Engineering and Science Inquiry
Activity
Factors Affecting Friction
Activity
Factors Affecting Friction
Engineering and Science Inquiry
The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.
Activity
Factors Affecting Friction
Activity
Factors Affecting Friction
The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.
Engineering and Science Inquiry
Activity
Radioactive Decay!
Activity
Radioactive Decay!
Engineering and Science Inquiry
Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.
Activity
Radioactive Decay!
Activity
Radioactive Decay!
Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.
Engineering and Science Inquiry
Activity
App Design
Activity
App Design
Engineering and Science Inquiry
Learn about the growing app design field by designing a new or improved app for smartphones.
Activity
App Design
Activity
App Design
Learn about the growing app design field by designing a new or improved app for smartphones.
Engineering and Science Inquiry
Activity
Is it a Fruit or a Veggie?
Activity
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?
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
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