Projects, Lessons, Activities (Page 74)

STEM Activity

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What would it be like if you could see the planets of our solar system orbiting the Sun all at once? What about the moons orbiting the planets? Learn how to make your own simple demonstration of gravity and planetary orbits in this fun activity. Read more

Modeling Gravity

Lesson Plan Grade: 6th-8th

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Why can we feel gravity pull us down towards the Earth, but not sideways towards other big objects like buildings? Why do the planets in our solar system orbit the sun instead of flying off into space? In this lesson plan your students will develop a model for gravity and use it to explore answers to these questions. Read more

NGSS Performance Expectations:

MS-PS2-4. Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.
MS-ESS1-2. Develop and use a model to describe the role of gravity in the motions within galaxies and the solar system.

Modeling the Chances of Getting an Autoimmune Disease

Science Fair Project Idea

Scientific Method

Do you know someone who has an autoimmune disease? Autoimmune diseases are fairly common, affecting more than 23.5 million people in the United States, which is about 1 in 13 people! You may have heard of some of them, such as diabetes (type 1), rheumatoid arthritis, and celiac disease. Many autoimmune diseases are poorly understood, but they all have one thing in common: they happen because a person's immune system (which normally fights off germs to keep the person healthy) attacks the… Read more

Modifying a Car for Better Aerodynamics

Science Fair Project Idea

Scientific Method

Have you ever seen those cool wind tunnel pictures of cars with streams of smoke blowing over them? You do not need access to a wind tunnel to do a car aerodynamics science project! In this project you will use cheap, readily available materials—tape and yarn—to visualize airflow over a car. You will examine how you can affect the airflow over the car by making changes, like adding or removing accessories or making body modifications out of cardboard and duct tape. Maybe you can… Read more

Motorized Arduino Cable-Driven Spacecraft Motion Simulator

Science Fair Project Idea

Engineering Design Process

How do you practice docking a spacecraft with the International Space Station or landing on Mars? With a room-sized cable-driven spacecraft motion simulator! In this project, you will build your own miniature, motorized version of a full-sized motion simulator scientists are developing that can move model spacecraft around in a controlled manner. Read more

MrBeast "Protect the Prize" Challenge

Science Fair Project Idea

Engineering Design Process

MrBeast, the world's most famous YouTuber, has a series of challenge videos where he asks a contestant to protect some valuable prize - like a pile of money or an expensive car - from a series of attacks like explosions, giant fireballs launched from catapults, or even getting hit by a train! Contestants often have only 24 hours to build something to protect their prize, which presents a very interesting engineering challenge. Given limited time and access to materials, how can you best protect… Read more

Ocean Currents: Modeling the 'Global Conveyor Belt' in Your Kitchen

Science Fair Project Idea

Scientific Method

Ocean currents have profound effects on the climates of the continents, especially those regions bordering on the ocean. For example, the Gulf Stream (a warm current that goes around the North Atlantic Ocean) is thought to make northwest Europe much warmer than it would otherwise be. Similarly, the California Current is thought to keep Hawaii cooler than other land masses at the same latitude as it. In this ocean science fair project, you will model the behavior of these "rivers" of hot and… Read more

Ow, My Tummy Hurts! The Biology and Chemistry of Gas Relief

Science Fair Project Idea

Scientific Method

Have you ever wondered why bubbles form when you mix soap and water? Is it possible to mix soap and water without making bubbles? Medical doctors actually study similar questions when they treat patients who have too much gas trapped in their digestive system, which can cause pain and bloating and also signal a serious medical problem. Some drugs, including one called simethicone, can help relieve extra gas in the digestive system. In this science project you will find out how simethicone… Read more

Particles in the Mist: See Radioactive Particles Decay with Your Own Cloud Chamber!

Science Fair Project Idea

Scientific Method

Are you fascinated by radioactivity and the emission of particles caused by the disintegration of an atom? This science project enables you to observe safely a spectacular display of radioactive decay. Following the instructions in the Procedure, you will be able to isolate a safe radioactive source and build a cloud chamber to watch the radioactive decay. Then you will use your cloud chamber to discover if a plastic lid can shield you from this type of radioactive decay particles. Read more

Piaget's Theory of Conservation: When One Cup of Water is Less Than One Cup of Water

Science Fair Project Idea

Scientific Method

Having a younger brother or sister can be a real chore. They can get into your things and mess up all your stuff. But have you ever thought that when younger siblings do this kind of thing, they are actually learning about the world around them and how to interact with their environment? Every day, a young child's brain is getting new information about his or her environment and developing ways to organize that information. Learning about and understanding this conduct is the study of human… Read more

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