Ninth Grade Science Experiments (Page 121)

Make a Communication Aid To Help People Show Their Feelings

Science Fair Project Idea

Engineering Design Process

Have you ever tried to communicate with a baby or toddler who cannot talk yet? What about another kid or an adult who cannot speak due to a medical condition? There are many ways we can communicate without speaking, like writing or using sign language. We can also use technology to help make it easier to communicate. In this project you will program your own communication aid to help someone who cannot speak show their emotions or simple messages. Read more

Make a Greeting Card Come to Life!

Science Fair Project Idea

Scientific Method

A singing monkey? An elderly couple doing the chicken dance? What kind of funny electronic cards do you like to email people? Feel free to dream up your coolest and funniest card ideas, because in this science project, you'll create your own animated greeting card with a simple-to-use programming language called Scratch. Scratch is a programming language that makes it easy to create interactive stories, games, music, and art. When the program you have written is complete, you can even share it… Read more

Make a Homemade Fly Trap

STEM Activity

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64 reviews

Have some pesky flies in your kitchen that you cannot seem to get rid of? In this project you will build your own simple fly trap from a plastic bottle. Get ready to get rid of those flies! Read more

Make a Paper Fish Swim with Surface Tension

STEM Activity

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Have you ever wondered how water droplets form on a window on a rainy day, why some bugs can mysteriously walk on water, or why you use soap to wash your hands? All of these things are related to the phenomenon called surface tension. In this activity you will learn how you can use surface tension to make a fish cut from a piece of paper seemingly swim around on its own! Read more

Make an Adaptive Switch

Science Fair Project Idea

Engineering Design Process

How could you send a text message without using your thumbs? What about typing on a keyboard or using a video game controller without using your fingers? Due to a variety of medical conditions like cerebral palsy or paralysis from an accident, some people might be unable to easily use their hands and fingers to push small buttons or use joysticks. However, they might be able to use their entire hand to push a single larger button or use another part of their body like their foot or even their… Read more

Make Music with Singing Glasses

Blog Post

Explore the physics of sound as you make music using wine glasses in this family STEM activity. Have you ever run your finger along the top of a glass and heard a sound? In this week's family science activity, explore the science behind this process and find out how to use the science involved to make a range of sounds! What causes a sound to occur when you run your finger along the top of a wine glass? Experiment to find out how friction is involved and how varying the size,… Read more

Make Sharpie Tie-Dye Ornaments!

Blog Post

With a few simple materials on hand and Sharpie® markers, kids can turn scraps of fabric or plastic into works of art. Sharpie Tie-Dye is a great way to add colorful and creative STEM to the holidays and winter break. Creative Chemistry with Sharpie Tie-Dye: Hands-on STEM with Science Buddies. www.sciencebuddies.org Pairing science, technology, engineering, and math exploration with creative hands-on projects and activities is a great way to get… Read more

Make Your Own Psychrometer

Science Fair Project Idea

Scientific Method

From the name, you might guess that a psychrometer is an instrument designed to measure your thoughts. Psych! Actually, it is an instrument that can help you forecast the weather. Read more to find out how it works. Read more

Making It Shipshape: Hull Design and Hydrodynamics

Science Fair Project Idea

Scientific Method

Sailboats, tugboats, barges, ocean liners, submarines are all different boats with different shapes. How does the shape of a boat's hull affect how easily it moves through the water? This project shows you how you can investigate this question using a homemade water trough and model boat hulls. Read more

May the Best Plant Win! Experiment with Genetically Modified Seeds

Science Fair Project Idea

Scientific Method

Farmers face a variety of challenges in their efforts to grow crops. One of the chief challenges is the presence of unwanted plants (weeds) that compete with the crop plants for water, nutrients, and light. If the weeds are not suppressed, they can reduce or completely eliminate the amount of food derived from the crop at harvest. In this biotechnology and plant science fair project, you will simulate the competition between crop plants and weeds, and determine whether the use of an herbicide,… Read more

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