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Engineering and Science Inquiry
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How Fast Does Light Travel in Water vs. Air? Refraction Experiment
Activity
How Fast Does Light Travel in Water vs. Air? Refraction Experiment
Physical Science
How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.
Activity
How Fast Does Light Travel in Water vs. Air? Refraction Experiment
Activity
How Fast Does Light Travel in Water vs. Air? Refraction Experiment
How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.
Physical Science
Activity
Lasting Blooms: Which Cut Flower Lasts the Longest?
Activity
Lasting Blooms: Which Cut Flower Lasts the Longest?
Measurement
This science fair project idea determines which flower lasts the longest.
Activity
Lasting Blooms: Which Cut Flower Lasts the Longest?
Activity
Lasting Blooms: Which Cut Flower Lasts the Longest?
This science fair project idea determines which flower lasts the longest.
Measurement
Activity
Negative or Positive Ads
Activity
Negative or Positive Ads
Engineering and Science Inquiry
Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.
Activity
Negative or Positive Ads
Activity
Negative or Positive Ads
Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.
Engineering and Science Inquiry
Activity
Flow Rate and Plant Growth
Activity
Flow Rate and Plant Growth
Engineering and Science Inquiry
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Activity
Flow Rate and Plant Growth
Activity
Flow Rate and Plant Growth
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Engineering and Science Inquiry
Activity
Bridge Over Troubled Water
Activity
Bridge Over Troubled Water
First Grade
Engineering and Science Inquiry
This science fair project idea explores how length affects the weight a bridge can hold.
Activity
Bridge Over Troubled Water
Activity
Bridge Over Troubled Water
This science fair project idea explores how length affects the weight a bridge can hold.
First Grade
Engineering and Science Inquiry
Activity
Psi, Playing Surface, and a Basketball's Bounce
Activity
Psi, Playing Surface, and a Basketball's Bounce
Life Science
This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.
Activity
Psi, Playing Surface, and a Basketball's Bounce
Activity
Psi, Playing Surface, and a Basketball's Bounce
This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.
Life Science
Activity
Bubbly Plants
Activity
Bubbly Plants
Engineering and Science Inquiry
Free science fair project idea examining how different types of water affect plant germination and growth.
Activity
Bubbly Plants
Activity
Bubbly Plants
Free science fair project idea examining how different types of water affect plant germination and growth.
Engineering and Science Inquiry
Activity
Passive Solar Design
Activity
Passive Solar Design
Measurement
The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.
Activity
Passive Solar Design
Activity
Passive Solar Design
The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.
Measurement
Activity
Seeds x Three
Activity
Seeds x Three
Measurement
Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate
Activity
Seeds x Three
Activity
Seeds x Three
Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate
Measurement
Activity
Iterating Fractals
Activity
Iterating Fractals
Engineering and Science Inquiry
This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.
Activity
Iterating Fractals
Activity
Iterating Fractals
This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.
Engineering and Science Inquiry
Activity
Determine the Effect of Gray Water on Plant Growth
Activity
Determine the Effect of Gray Water on Plant Growth
Fifth Grade
Engineering and Science Inquiry
Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.
Activity
Determine the Effect of Gray Water on Plant Growth
Activity
Determine the Effect of Gray Water on Plant Growth
Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.
Fifth Grade
Engineering and Science Inquiry
Activity
How to Make an Anemometer
Activity
How to Make an Anemometer
Fourth Grade
Engineering and Science Inquiry
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Activity
How to Make an Anemometer
Activity
How to Make an Anemometer
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Fourth Grade
Engineering and Science Inquiry
Activity
Hot Desert Plant Adaptations
Activity
Hot Desert Plant Adaptations
Fifth Grade
Engineering and Science Inquiry
Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.
Activity
Hot Desert Plant Adaptations
Activity
Hot Desert Plant Adaptations
Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.
Fifth Grade
Engineering and Science Inquiry
Activity
Bridge Project
Activity
Bridge Project
Fourth Grade
Engineering and Science Inquiry
This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.
Activity
Bridge Project
Activity
Bridge Project
This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.
Fourth Grade
Engineering and Science Inquiry
Activity
Can Dog Drool Kill Germs?
Activity
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?
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
Melting Ice
Activity
Melting Ice
Engineering and Science Inquiry
Activity
Melting Ice
Activity
Melting Ice
Engineering and Science Inquiry
Activity
Ivory Soap Experiment
Activity
Ivory Soap Experiment
Third Grade
Engineering and Science Inquiry
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Activity
Ivory Soap Experiment
Activity
Ivory Soap Experiment
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Third Grade
Engineering and Science Inquiry
Activity
Growing Yeast: Sugar Fermentation
Activity
Growing Yeast: Sugar Fermentation
Engineering and Science Inquiry
Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!
Activity
Growing Yeast: Sugar Fermentation
Activity
Growing Yeast: Sugar Fermentation
Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!
Engineering and Science Inquiry
Activity
Which Permanent Marker is Most Permanent?
Activity
Which Permanent Marker is Most Permanent?
Engineering and Science Inquiry
Test out various brands of permanent markers to see which one is least water soluble.
Activity
Which Permanent Marker is Most Permanent?
Activity
Which Permanent Marker is Most Permanent?
Test out various brands of permanent markers to see which one is least water soluble.
Engineering and Science Inquiry
Activity
Air Pollution
Activity
Air Pollution
Measurement
Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.
Activity
Air Pollution
Activity
Air Pollution
Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.
Measurement
Activity
Static Electricity Project
Activity
Static Electricity Project
Fifth Grade
Engineering and Science Inquiry
The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.
Activity
Static Electricity Project
Activity
Static Electricity Project
The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.
Fifth Grade
Engineering and Science Inquiry
Activity
Does Electricity Move Better through Thick Wires or Thin Ones?
Activity
Does Electricity Move Better through Thick Wires or Thin Ones?
Fifth Grade
Engineering and Science Inquiry
Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.
Activity
Does Electricity Move Better through Thick Wires or Thin Ones?
Activity
Does Electricity Move Better through Thick Wires or Thin Ones?
Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.
Fifth Grade
Engineering and Science Inquiry
Activity
Using Mirrors in the Garden: Measuring Light Reflection
Activity
Using Mirrors in the Garden: Measuring Light Reflection
Fourth Grade
Engineering and Science Inquiry
Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!
Activity
Using Mirrors in the Garden: Measuring Light Reflection
Activity
Using Mirrors in the Garden: Measuring Light Reflection
Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!
Fourth Grade
Engineering and Science Inquiry
Activity
Don't Have a Meltdown!
Activity
Don't Have a Meltdown!
Measurement
This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.
Activity
Don't Have a Meltdown!
Activity
Don't Have a Meltdown!
This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.
Measurement
Activity
Is Organic Better?
Activity
Is Organic Better?
Third Grade
Engineering and Science Inquiry
The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.
Activity
Is Organic Better?
Activity
Is Organic Better?
The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.
Third Grade
Engineering and Science Inquiry
Activity
Do humans understand values greater than three?
Activity
Do humans understand values greater than three?
Engineering and Science Inquiry
This project examines whether humans can intuitively grasp numeric values greater than three.
Activity
Do humans understand values greater than three?
Activity
Do humans understand values greater than three?
This project examines whether humans can intuitively grasp numeric values greater than three.
Engineering and Science Inquiry
Activity
How to Reduce Friction
Activity
How to Reduce Friction
Engineering and Science Inquiry
In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.
Activity
How to Reduce Friction
Activity
How to Reduce Friction
In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.
Engineering and Science Inquiry
Activity
Specific Heat of Water vs. Specific Heat of Sand
Activity
Specific Heat of Water vs. Specific Heat of Sand
Fifth Grade
Engineering and Science Inquiry
What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.
Activity
Specific Heat of Water vs. Specific Heat of Sand
Activity
Specific Heat of Water vs. Specific Heat of Sand
What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.
Fifth Grade
Engineering and Science Inquiry
Activity
Wave-Particle Duality of Light
Activity
Wave-Particle Duality of Light
Physical Science
Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.
Activity
Wave-Particle Duality of Light
Activity
Wave-Particle Duality of Light
Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.
Physical Science
Activity
Capillary Action Experiment
Activity
Capillary Action Experiment
Third Grade
Engineering and Science Inquiry
Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.
Activity
Capillary Action Experiment
Activity
Capillary Action Experiment
Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.
Third Grade
Engineering and Science Inquiry
Activity
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