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Applied Science Projects

Children interested in engineering, applied math, or computer science will love this collection of applied science projects for kids. For kids who don't want to just make a paper mache volcano and call it a day, this collection of applied science experiments challenges them to explore the places where science and everyday life intersect, prompting them to build some cool things and address some intriguing questions.

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Applied Science
Hero's Engine: Example of Newton's Third Law
Science project
Hero's Engine: Example of Newton's Third Law
In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.
2nd grade
Science
Science project
Drum Size and Pitch
Science project
Drum Size and Pitch
How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.
2nd grade
Science
Science project
Wind Tunnel Experiment
Science project
Wind Tunnel Experiment
In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.
Middle school
Science
Science project
How to Make a Periscope
Science project
How to Make a Periscope
Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.
Middle school
Science
Science project
Rubber Band Heat Engine
Science project
Rubber Band Heat Engine
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
5th grade
Science
Science project
Apparent Movement of the Sun
Science project
Apparent Movement of the Sun
The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.
High school
Science
Science project
How to Reduce Friction
Science project
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.
Middle school
Science
Science project
How to Make a PVC Pipe Instrument
Science project
How to Make a PVC Pipe Instrument
In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.
Middle school
Science
Science project
Windmill Model Science Project
Science project
Windmill Model Science Project
In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.
5th grade
Science
Science project
Spiral Architect
Science project
Spiral Architect
This science fair project idea discovers the practical applications for the structural design of a snail shell.
Science
Science project
Lighthouse Redesign
Science project
Lighthouse Redesign
This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.
High school
Science
Science project
Rooftop Real Estate
Science project
Rooftop Real Estate
This science fair project idea increases the space efficiency of living areas and encourages economic improvements via new real estate ideas.
High school
Science
Science project
Tiny Realtor
Science project
Tiny Realtor
This science fair project idea designs a unique, eco-friendly living space and encourages advances in green architecture.
High school
Science
Science project
Trashtown Junktion
Science project
Trashtown Junktion
This science fair project idea discovers new ways to use recycled materials and encourages new architectural design ideas.
High school
Science
Science project
Third-Class Levers in the Human Body
Science project
Third-Class Levers in the Human Body
Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!
3rd grade
Science
Science project
The Single Fixed Pulley System
Science project
The Single Fixed Pulley System
Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.
2nd grade
Science
Science project
A Single Movable Pulley and Mechanical Advantage
Science project
A Single Movable Pulley and Mechanical Advantage
Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.
4th grade
Science
Science project
How to Make Gears
Science project
How to Make Gears
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
5th grade
Science
Science project
How to Make a Rubber Band Car
Science project
How to Make a Rubber Band Car
Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.
5th grade
Science
Science project
What Is a Compound Microscope?
Science project
What Is a Compound Microscope?
What is a compound microscope? Kids find out by making one of their own in this cool science fair project.
3rd grade
Science
Science project
How High Is That?
Science project
How High Is That?
A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.
Middle school
Science
Science project
Sensor Robot Maze
Science project
Sensor Robot Maze
In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.
Middle school
Science
Science project
Which Fruit Has the Most Vitamin C?
Science project
Which Fruit Has the Most Vitamin C?
Figure out which fruit has the most vitamin C (ascorbic acid) in this fun science project!
Middle school
Science
Science project
Paper Power
Science project
Paper Power
This science fair project idea outlines the principles and techniques behind paper batteries.
High school
Science
Science project
Oregametry
Science project
Oregametry
This science fair project idea outlines the practical applications of particular origami folding techniques.
High school
Science
Science project

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