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3rd and 4th Grade
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Complete Circuit: How Does a Flashlight Work?
Complete Circuit: How Does a Flashlight Work?
Activity
Complete Circuit: How Does a Flashlight Work? large image
Complete Circuit: How Does a Flashlight Work?
Third Grade
Engineering and Science Inquiry
How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.
Activity
Complete Circuit: How Does a Flashlight Work?
Complete Circuit: How Does a Flashlight Work?
Activity
Complete Circuit: How Does a Flashlight Work?
How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.
Third Grade
Engineering and Science Inquiry
Activity
Color and Heat Absorption
Color and Heat Absorption
Activity
Color and Heat Absorption large image
Color and Heat Absorption
Third Grade
Engineering and Science Inquiry
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
Activity
Color and Heat Absorption
Color and Heat Absorption
Activity
Color and Heat Absorption
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
Third Grade
Engineering and Science Inquiry
Activity
Mylar vs. Latex Balloons
Mylar vs. Latex Balloons
Activity
Mylar vs. Latex Balloons large image
Mylar vs. Latex Balloons
Third Grade
Engineering and Science Inquiry
Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.
Activity
Mylar vs. Latex Balloons
Mylar vs. Latex Balloons
Activity
Mylar vs. Latex Balloons
Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.
Third Grade
Engineering and Science Inquiry
Activity
Polymer Crystals vs. Ice
Polymer Crystals vs. Ice
Activity
Polymer Crystals vs. Ice large image
Polymer Crystals vs. Ice
Third Grade
Measurement
What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!
Activity
Polymer Crystals vs. Ice
Polymer Crystals vs. Ice
Activity
Polymer Crystals vs. Ice
What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!
Third Grade
Measurement
Activity
Slinky: Metal vs. Plastic
Slinky: Metal vs. Plastic
Activity
Slinky: Metal vs. Plastic large image
Slinky: Metal vs. Plastic
Fourth Grade
Engineering and Science Inquiry
This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.
Activity
Slinky: Metal vs. Plastic
Slinky: Metal vs. Plastic
Activity
Slinky: Metal vs. Plastic
This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.
Fourth 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
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
Decomposition Rates of Biodegradable Materials
Decomposition Rates of Biodegradable Materials
Activity
Decomposition Rates of Biodegradable Materials large image
Decomposition Rates of Biodegradable Materials
Fourth Grade
Engineering and Science Inquiry
This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.
Activity
Decomposition Rates of Biodegradable Materials
Decomposition Rates of Biodegradable Materials
Activity
Decomposition Rates of Biodegradable Materials
This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.
Fourth Grade
Engineering and Science Inquiry
Activity
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
Text on Screen vs. Type on Paper: Which is Easier to Remember?
Text on Screen vs. Type on Paper: Which is Easier to Remember?
Activity
Text on Screen vs. Type on Paper: Which is Easier to Remember? large image
Text on Screen vs. Type on Paper: Which is Easier to Remember?
Fourth Grade
Engineering and Science Inquiry
This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.
Activity
Text on Screen vs. Type on Paper: Which is Easier to Remember?
Text on Screen vs. Type on Paper: Which is Easier to Remember?
Activity
Text on Screen vs. Type on Paper: Which is Easier to Remember?
This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.
Fourth 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
Create Your Own Earth Model
Create Your Own Earth Model
Activity
Create Your Own Earth Model large image
Create Your Own Earth Model
Third Grade
Engineering and Science Inquiry
In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.
Activity
Create Your Own Earth Model
Create Your Own Earth Model
Activity
Create Your Own Earth Model
In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.
Third Grade
Engineering and Science Inquiry
Activity
The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable
The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable
Activity
The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable large image
The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable
Fourth Grade
Engineering and Science Inquiry
Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.
Activity
The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable
The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable
Activity
The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable
Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.
Fourth Grade
Engineering and Science Inquiry
Activity
Popcorn Pumice: Exploring Different Rock Densities
Popcorn Pumice: Exploring Different Rock Densities
Activity
Popcorn Pumice: Exploring Different Rock Densities large image
Popcorn Pumice: Exploring Different Rock Densities
Third Grade
Engineering and Science Inquiry
In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.
Activity
Popcorn Pumice: Exploring Different Rock Densities
Popcorn Pumice: Exploring Different Rock Densities
Activity
Popcorn Pumice: Exploring Different Rock Densities
In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.
Third Grade
Engineering and Science Inquiry
Activity
Scale Model of the Solar System
Scale Model of the Solar System
Activity
Scale Model of the Solar System large image
Scale Model of the Solar System
Fourth Grade
Ratios and Proportions
In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!
Activity
Scale Model of the Solar System
Scale Model of the Solar System
Activity
Scale Model of the Solar System
In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!
Fourth Grade
Ratios and Proportions
Activity
Does Opening A Fruit Up Cause it to Rot Faster?
Does Opening A Fruit Up Cause it to Rot Faster?
Activity
Does Opening A Fruit Up Cause it to Rot Faster? large image
Does Opening A Fruit Up Cause it to Rot Faster?
Fourth Grade
Engineering and Science Inquiry
Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!
Activity
Does Opening A Fruit Up Cause it to Rot Faster?
Does Opening A Fruit Up Cause it to Rot Faster?
Activity
Does Opening A Fruit Up Cause it to Rot Faster?
Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!
Fourth Grade
Engineering and Science Inquiry
Activity
Cricket Behavior
Cricket Behavior
Activity
Cricket Behavior large image
Cricket Behavior
Third Grade
Engineering and Science Inquiry
Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.
Activity
Cricket Behavior
Cricket Behavior
Activity
Cricket Behavior
Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.
Third Grade
Engineering and Science Inquiry
Activity
Cats & Dogs
Cats & Dogs
Activity
Cats & Dogs large image
Cats & Dogs
Third Grade
Engineering and Science Inquiry
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Activity
Cats & Dogs
Cats & Dogs
Activity
Cats & Dogs
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Third Grade
Engineering and Science Inquiry
Activity
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
Laboratory Equipment: Matching Activity
Laboratory Equipment: Matching Activity
Worksheet
Laboratory Equipment: Matching Activity large image
Laboratory Equipment: Matching Activity
Fourth Grade
Engineering and Science Inquiry
Learn all about essential laboratory equipment with this hands-on worksheet for fourth and fifth graders!
Worksheet
Laboratory Equipment: Matching Activity
Laboratory Equipment: Matching Activity
Worksheet
Laboratory Equipment: Matching Activity
Learn all about essential laboratory equipment with this hands-on worksheet for fourth and fifth graders!
Fourth Grade
Engineering and Science Inquiry
Worksheet
Albedo
Albedo
Activity
Albedo large image
Albedo
Third Grade
Vocabulary
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
Activity
Albedo
Albedo
Activity
Albedo
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
Third Grade
Vocabulary
Activity
Clear or Opaque?
Clear or Opaque?
Activity
Clear or Opaque? large image
Clear or Opaque?
Third Grade
Engineering and Science Inquiry
This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?
Activity
Clear or Opaque?
Clear or Opaque?
Activity
Clear or Opaque?
This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?
Third Grade
Engineering and Science Inquiry
Activity
How Does Salinity and Temperature Affect the Density of Water?
How Does Salinity and Temperature Affect the Density of Water?
Activity
How Does Salinity and Temperature Affect the Density of Water? large image
How Does Salinity and Temperature Affect the Density of Water?
Fourth Grade
Engineering and Science Inquiry
The objective of this science fair project is to analyze the effects of salinity and temperature on water.
Activity
How Does Salinity and Temperature Affect the Density of Water?
How Does Salinity and Temperature Affect the Density of Water?
Activity
How Does Salinity and Temperature Affect the Density of Water?
The objective of this science fair project is to analyze the effects of salinity and temperature on water.
Fourth Grade
Engineering and Science Inquiry
Activity
Building Brick Challenge: Find the Perfect Fit
Building Brick Challenge: Find the Perfect Fit
Activity
Building Brick Challenge: Find the Perfect Fit large image
Building Brick Challenge: Find the Perfect Fit
Fourth Grade
Engineering and Science Inquiry
This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.
Activity
Building Brick Challenge: Find the Perfect Fit
Building Brick Challenge: Find the Perfect Fit
Activity
Building Brick Challenge: Find the Perfect Fit
This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.
Fourth Grade
Engineering and Science Inquiry
Activity
Mood Rings
Mood Rings
Activity
Mood Rings large image
Mood Rings
Fourth Grade
Engineering and Science Inquiry
Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature
Activity
Mood Rings
Mood Rings
Activity
Mood Rings
Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature
Fourth 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
Conductor or Insulator?
Conductor or Insulator?
Activity
Conductor or Insulator? large image
Conductor or Insulator?
Third Grade
Engineering and Science Inquiry
This science fair project idea determines what household items are good conductors of electricity.
Activity
Conductor or Insulator?
Conductor or Insulator?
Activity
Conductor or Insulator?
This science fair project idea determines what household items are good conductors of electricity.
Third Grade
Engineering and Science Inquiry
Activity
Flat Earth? Not Really!
Flat Earth? Not Really!
Activity
Flat Earth? Not Really! large image
Flat Earth? Not Really!
Fourth Grade
Engineering and Science Inquiry
Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.
Activity
Flat Earth? Not Really!
Flat Earth? Not Really!
Activity
Flat Earth? Not Really!
Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.
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
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
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