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191 results
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Science
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4th Grade
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191 results
Sugar Crystallization
Sugar Crystallization
Activity
Sugar Crystallization large image
Sugar Crystallization
Fourth Grade
Engineering and Science Inquiry
This science fair project idea explores the different properties & interactions of sugar molecules.
Activity
Sugar Crystallization
Sugar Crystallization
Activity
Sugar Crystallization
This science fair project idea explores the different properties & interactions of sugar molecules.
Fourth Grade
Engineering and Science Inquiry
Activity
Bust That Rust!
Bust That Rust!
Activity
Bust That Rust! large image
Bust That Rust!
Second Grade
Engineering and Science Inquiry
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Activity
Bust That Rust!
Bust That Rust!
Activity
Bust That Rust!
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Second Grade
Engineering and Science Inquiry
Activity
Keeping Cut Flowers Fresh
Keeping Cut Flowers Fresh
Activity
Keeping Cut Flowers Fresh large image
Keeping Cut Flowers Fresh
Second Grade
Engineering and Science Inquiry
This science experiment tests whether warm or cold water works best in making cut flowers last longer.
Activity
Keeping Cut Flowers Fresh
Keeping Cut Flowers Fresh
Activity
Keeping Cut Flowers Fresh
This science experiment tests whether warm or cold water works best in making cut flowers last longer.
Second Grade
Engineering and Science Inquiry
Activity
Simple Machines
Simple Machines
Activity
Simple Machines large image
Simple Machines
Fourth Grade
Engineering and Science Inquiry
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Activity
Simple Machines
Simple Machines
Activity
Simple Machines
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Fourth Grade
Engineering and Science Inquiry
Activity
How do Plants Absorb Water?
How do Plants Absorb Water?
Activity
How do Plants Absorb Water? large image
How do Plants Absorb Water?
Second Grade
Engineering and Science Inquiry
Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!
Activity
How do Plants Absorb Water?
How do Plants Absorb Water?
Activity
How do Plants Absorb Water?
Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!
Second Grade
Engineering and Science Inquiry
Activity
Changing the Pitch of Sound
Changing the Pitch of Sound
Activity
Changing the Pitch of Sound large image
Changing the Pitch of Sound
Fourth Grade
Physical Science
This science fair project idea produces varying pitches of sound.
Activity
Changing the Pitch of Sound
Changing the Pitch of Sound
Activity
Changing the Pitch of Sound
This science fair project idea produces varying pitches of sound.
Fourth Grade
Physical Science
Activity
Heat Conduction
Heat Conduction
Activity
Heat Conduction large image
Heat Conduction
Fourth Grade
Engineering and Science Inquiry
Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.
Activity
Heat Conduction
Heat Conduction
Activity
Heat Conduction
Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.
Fourth Grade
Engineering and Science Inquiry
Activity
Fresh Food vs. Frozen Food
Activity
Fresh Food vs. Frozen Food
Fourth Grade
Engineering and Science Inquiry
The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.
Activity
Fresh Food vs. Frozen Food
Activity
Fresh Food vs. Frozen Food
The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.
Fourth Grade
Engineering and Science Inquiry
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
Eye Witness, You Witness
Eye Witness, You Witness
Activity
Eye Witness, You Witness large image
Eye Witness, You Witness
Fourth Grade
Engineering and Science Inquiry
How well can people recall what they have observed. Test your knowledge in this fun experiment.
Activity
Eye Witness, You Witness
Eye Witness, You Witness
Activity
Eye Witness, You Witness
How well can people recall what they have observed. Test your knowledge in this fun experiment.
Fourth Grade
Engineering and Science Inquiry
Activity
Ocean Food Web
Ocean Food Web
Activity
Ocean Food Web large image
Ocean Food Web
Fourth Grade
Engineering and Science Inquiry
4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.
Activity
Ocean Food Web
Ocean Food Web
Activity
Ocean Food Web
4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.
Fourth Grade
Engineering and Science Inquiry
Activity
Passive Solar Heating
Passive Solar Heating
Activity
Passive Solar Heating large image
Passive Solar Heating
Fourth Grade
Engineering and Science Inquiry
examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy
Activity
Passive Solar Heating
Passive Solar Heating
Activity
Passive Solar Heating
examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy
Fourth 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
Ping Pong Ball Anemometer
Ping Pong Ball Anemometer
Activity
Ping Pong Ball Anemometer large image
Ping Pong Ball Anemometer
Fourth Grade
Engineering and Science Inquiry
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Activity
Ping Pong Ball Anemometer
Ping Pong Ball Anemometer
Activity
Ping Pong Ball Anemometer
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Fourth Grade
Engineering and Science Inquiry
Activity
Periscope Construction
Periscope Construction
Activity
Periscope Construction large image
Periscope Construction
Fourth Grade
Engineering and Science Inquiry
Construct and experiment with a periscope using reflected light rays to gather an image.
Activity
Periscope Construction
Periscope Construction
Activity
Periscope Construction
Construct and experiment with a periscope using reflected light rays to gather an image.
Fourth Grade
Engineering and Science Inquiry
Activity
Fastest Way to Cool a Soda
Fastest Way to Cool a Soda
Activity
Fastest Way to Cool a Soda large image
Fastest Way to Cool a Soda
Fourth Grade
Engineering and Science Inquiry
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Activity
Fastest Way to Cool a Soda
Fastest Way to Cool a Soda
Activity
Fastest Way to Cool a Soda
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Fourth Grade
Engineering and Science Inquiry
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
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
DIY Rain Gauge
DIY Rain Gauge
Activity
DIY Rain Gauge large image
DIY Rain Gauge
Fourth Grade
Earth and Space Science
In this science fair project, students make their own rain gauge to measure rainfall.
Activity
DIY Rain Gauge
DIY Rain Gauge
Activity
DIY Rain Gauge
In this science fair project, students make their own rain gauge to measure rainfall.
Fourth Grade
Earth and Space Science
Activity
Design Challenge: Make a Rube Goldberg Machine
Design Challenge: Make a Rube Goldberg Machine
Activity
Design Challenge: Make a Rube Goldberg Machine large image
Design Challenge: Make a Rube Goldberg Machine
Third Grade
Engineering and Science Inquiry
In this hands-on design challenge your child will make their very own Rube Goldberg Machine.
Activity
Design Challenge: Make a Rube Goldberg Machine
Design Challenge: Make a Rube Goldberg Machine
Activity
Design Challenge: Make a Rube Goldberg Machine
In this hands-on design challenge your child will make their very own Rube Goldberg Machine.
Third Grade
Engineering and Science Inquiry
Activity
How to Create a Visual Doppler
How to Create a Visual Doppler
Activity
How to Create a Visual Doppler large image
How to Create a Visual Doppler
Fourth Grade
Physical Science
This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.
Activity
How to Create a Visual Doppler
How to Create a Visual Doppler
Activity
How to Create a Visual Doppler
This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.
Fourth Grade
Physical Science
Activity
Biodiversity in a Drop of Water
Biodiversity in a Drop of Water
Activity
Biodiversity in a Drop of Water large image
Biodiversity in a Drop of Water
Third Grade
Engineering and Science Inquiry
This science fair project idea compares biodiversity between drops of water.
Activity
Biodiversity in a Drop of Water
Biodiversity in a Drop of Water
Activity
Biodiversity in a Drop of Water
This science fair project idea compares biodiversity between drops of water.
Third Grade
Engineering and Science Inquiry
Activity
Gender Probability: Male and Female Chromosomes
Gender Probability: Male and Female Chromosomes
Activity
Gender Probability: Male and Female Chromosomes large image
Gender Probability: Male and Female Chromosomes
Fourth Grade
Engineering and Science Inquiry
What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.
Activity
Gender Probability: Male and Female Chromosomes
Gender Probability: Male and Female Chromosomes
Activity
Gender Probability: Male and Female Chromosomes
What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.
Fourth Grade
Engineering and Science Inquiry
Activity
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
Activity
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
Second Grade
Engineering and Science Inquiry
The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.
Activity
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
Activity
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.
Second Grade
Engineering and Science Inquiry
Activity
Rate of Evaporation
Rate of Evaporation
Activity
Rate of Evaporation large image
Rate of Evaporation
Second Grade
Engineering and Science Inquiry
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Activity
Rate of Evaporation
Rate of Evaporation
Activity
Rate of Evaporation
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Second Grade
Engineering and Science Inquiry
Activity
Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength?
Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength?
Activity
Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength? large image
Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength?
Fourth Grade
Engineering and Science Inquiry
Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.
Activity
Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength?
Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength?
Activity
Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength?
Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.
Fourth Grade
Engineering and Science Inquiry
Activity
Design Challenge: Making a Bottle Rocket
Design Challenge: Making a Bottle Rocket
Activity
Design Challenge: Making a Bottle Rocket large image
Design Challenge: Making a Bottle Rocket
Third Grade
Engineering and Science Inquiry
In this design challenge, your child will make a bottle rocket using typical household items.
Activity
Design Challenge: Making a Bottle Rocket
Design Challenge: Making a Bottle Rocket
Activity
Design Challenge: Making a Bottle Rocket
In this design challenge, your child will make a bottle rocket using typical household items.
Third Grade
Engineering and Science Inquiry
Activity
The Limewater Carbon Dioxide Test
The Limewater Carbon Dioxide Test
Activity
The Limewater Carbon Dioxide Test large image
The Limewater Carbon Dioxide Test
Fourth Grade
Physical Science
Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.
Activity
The Limewater Carbon Dioxide Test
The Limewater Carbon Dioxide Test
Activity
The Limewater Carbon Dioxide Test
Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.
Fourth Grade
Physical Science
Activity
Corn Seed Germination
Corn Seed Germination
Activity
Corn Seed Germination large image
Corn Seed Germination
Fourth Grade
Engineering and Science Inquiry
Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!
Activity
Corn Seed Germination
Corn Seed Germination
Activity
Corn Seed Germination
Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!
Fourth Grade
Engineering and Science Inquiry
Activity
Sow Bug and Pill Bug Behavior
Sow Bug and Pill Bug Behavior
Activity
Sow Bug and Pill Bug Behavior large image
Sow Bug and Pill Bug Behavior
Fourth Grade
Engineering and Science Inquiry
Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!
Activity
Sow Bug and Pill Bug Behavior
Sow Bug and Pill Bug Behavior
Activity
Sow Bug and Pill Bug Behavior
Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!
Fourth Grade
Engineering and Science Inquiry
Activity
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