Ninth Grade Projects, Lessons, Activities (Page 40)

Build an Autonomous Arduino Robot with Bump Sensors

Science Fair Project Idea

Scientific Method

Mechanical switches are common in many machines and robots. They can be used to detect when a button is pushed, when a door is open, or a low-speed collision when two objects bump into each other. Switches can act as "bump sensors" on a simple robot to help it detect when it hits an obstacle. The robot can use this information to navigate around obstacles and avoid getting stuck. Can you build and program a robot that can drive around your house while using bump sensors to avoid obstacles? Read more

Build Personal Playlists with Machine Learning

Science Fair Project Idea

Scientific Method

AI has the power to organize data into categories—even when it is not given clear instructions. In this project, we will create an unsupervised K-Means learning model that organizes songs into distinct groups based on their similarities. The best part? You don't need advanced coding skills; just bring an open mind and a desire to explore the fascinating intersection of music and technology. Are you ready to embark on this exciting journey? Read more

Build Statues That Come Alive When They See You

Science Fair Project Idea

Scientific Method

A simple circuit and a servo motor are all you need to turn any work of art into an interactive moving creation that is happy to see you. Light sensors see your shadow as you walk past your artwork and make a servo motor move back and forth. Waving arms? Turning heads? It is all up to you! Read more

Building a Model Hydraulic Knuckle Crane

Science Fair Project Idea

Scientific Method

A ship is a busy place. When out to sea, naval, research, and fishing vessels pull or push heavy loads, like research equipment and crab pots, into and out of the water. But equipment and pots can weigh hundreds of pounds. So how does a ship's crew lift loads efficiently and accurately? With a hydraulic knuckle crane, of course. But what is hydraulics and why does hydraulics make certain tasks easier? Hydraulics is the study of liquids and their mechanical properties: how they move, resist… Read more

Building Banjos

Science Fair Project Idea

Scientific Method

The banjo's roots trace all the way over to Africa. The unique sound that a banjo makes depends, in part, on the resonator. The purpose of the resonator is to amplify and project the sound that is made by strumming and plucking the strings. In this music science fair project, you will experiment with a resonator on a banjo and see if you can hear the difference in sound. Read more

Calculating the Circumference of the Earth

Science Fair Project Idea

Scientific Method

How big a ruler would you need to measure the circumference of the Earth? Did you know that you can do it with a yardstick? (And you won't have to travel all the way around the world!) Read more

Can Adults Pass a Middle School Science Test?

Science Fair Project Idea

Scientific Method

How well do adults understand basic science concepts? This project is a good opportunity for you to test your own scientific understanding as you create a short test to assess knowledge of basic science concepts. Your test will have to brief (probably 10-15 questions, maximum) or you'll have a hard time getting a sufficient number of complete responses. With so few questions, you'll have to think carefully about exactly what comprises "basic science knowledge," and exactly how to word your… Read more

Can AI Predict Who Survived the Titanic's Sinking?

Science Fair Project Idea

Scientific Method

Given the right data, AI can be good at making predictions. In this project, you will create a KNN machine learning model that tries to predict whether a passenger on the Titanic survived based on multiple factors such as age, sex, and fare price. This project requires little to no coding skill; instead, you will need an open mind and curiosity to learn. Ready to give it a try? Read more

Can Herd Immunity Combat Viral Epidemics like COVID-19?

Science Fair Project Idea

Scientific Method

One strategy you may have heard suggested for dealing with the COVID-19 epidemic is to let nature take its course and let COVID-19 infect enough of the population for us to reach the herd immunity threshold. Does this make sense as a public health strategy? You can explore this question scientifically using SimPandemic, a free online tool for modeling infectious disease outbreaks. Before you begin, you will need to know a bit about herd immunity. Herd immunity, sometimes called community… Read more

Can Machine Learning Forecast Future Sea Levels?

Science Fair Project Idea

Scientific Method

Global sea levels are rising, but modeling and predicting them can be challenging with more and more extreme weather events. Can we use machine learning to track and predict sea level changes? In this science project, you will use previously collected data and machine learning to see if you can predict future relative sea level changes. Read more

Ninth Grade Projects, Lessons, Activities (789 results)

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