Students visualize the magnetic field of a strong permanent magnet using a …
Students visualize the magnetic field of a strong permanent magnet using a compass. The lesson begins with an analogy to the effect of the Earth's magnetic field on a compass. Students see the connection that the compass simply responds to the Earth's magnetic field since it is the closest, strongest field, and thus the compass responds to the field of the permanent magnets, allowing them the ability to map the field of that magnet in the activity. This information will be important in designing a solution to the grand challenge in activity 4 of the unit.
This lesson introduces students to the effects of magnetic fields in matter …
This lesson introduces students to the effects of magnetic fields in matter addressing permanent magnets, diamagnetism, paramagnetism, ferromagnetism, and magnetization. First students must compare the magnetic field of a solenoid to the magnetic field of a permanent magnet. Students then learn the response of diamagnetic, paramagnetic, and ferromagnetic material to a magnetic field. Now aware of the mechanism causing a solid to respond to a field, students learn how to measure the response by looking at the net magnetic moment per unit volume of the material.
In this fun, engaging activity, students are introduced to a unique type …
In this fun, engaging activity, students are introduced to a unique type of fluid ferrofluids whose shape can be influenced by magnetic fields! Students act as materials engineers and create their own ferrofluids. They are challenged to make magnetic ink out of ferrofluids and test their creations to see if they work. Concurrently, they learn more about magnetism, surfactants and nanotechnology. As they observe fluid properties as a standalone-fluid and under an imposed magnetic field, they come to understand the components of ferrofluids and their functionality.
Students explore electromagnetism and engineering concepts using optimization techniques to design an …
Students explore electromagnetism and engineering concepts using optimization techniques to design an efficient magnetic launcher. Groups start by algebraically solving the equations of motion for the velocity at the time when a projectile leaves a launcher. Then they test three different launchers, in which the number of coils used is different, measuring the range and comparing the three designs. Based on these observations, students record similarities and differences and hypothesize on the underling physics. They are introduced to Faraday's law and Lenz's law to explain the physics behind the launcher. Students brainstorm how these principals might be applied to real-world engineering problems.
Students begin working on the grand challenge of the unit by thinking …
Students begin working on the grand challenge of the unit by thinking about the nature of metals and quick, cost-effective means of separating different metals, especially steel. They arrive at the idea, with the help of input from relevant sources, to use magnets, but first they must determine if the magnets can indeed isolate only the steel.
Students learn about magnets and how they are formed. They investigate the …
Students learn about magnets and how they are formed. They investigate the properties of magnets and how engineers use magnets in technology. Specifically, students learn about magnetic memory storage, which is the reading and writing of data information using magnets, such as in computer hard drives, zip disks and flash drives.
This lesson ties the preceding lessons together and brings students back to …
This lesson ties the preceding lessons together and brings students back to the grand challenge question on MRI safety. During this lesson, students focus on the logistics of magnetic resonance imaging as well as the MRI hardware. Students can then integrate this knowledge with their acquired knowledge on magnetic fields to solve the challenge question.
In this activity, students will learn about the Richter Scale for measuring …
In this activity, students will learn about the Richter Scale for measuring earthquakes. The students will make a booklet with drawings that represent each rating of the Richter Scale.
This is an applied project where your students will choose from three …
This is an applied project where your students will choose from three different project options, then use the design thinking process to create an artificial intelligence and robotics project that solves their user’s problem. In Lesson 1, each student will read all three project overviews. Then, they will choose the project they want to work on for the remaining lessons in the project!
Estimated time required: 1-2 class periods.
Technology required for this lesson: Code Editor, Electronics Kit, Laptop/Desktop, Tablet.
In this lesson, students will learn more about their user and complete …
In this lesson, students will learn more about their user and complete the first two steps in the Design Thinking process: Empathize and Define. They will listen to pre-recorded video interviews to learn about the wants and needs of their user! Students should only work on the material that corresponds to their project choice. For example: if a student chose Project 1A, they would only work on the Project 1A content.
Estimated time required: 1-2 class periods.
Technology required for this lesson: Code Editor, Electronics Kit, Laptop/Desktop, Tablet.
In this lesson, students will ideate and sketch designs and pseudocode for …
In this lesson, students will ideate and sketch designs and pseudocode for their project, then create prototypes of their designs with Micro:bit or MakeCode Arcade. Students should only work on the material that corresponds to their project choice. For example: if a student chose Project 1A, they would only work on the Project 1A content.
Estimated time required: 2-3 class periods.
Technology required for this lesson: Code Editor, Electronics Kit, Laptop/Desktop, Tablet.
In this lesson, students will share their projects with their peers, give/receive …
In this lesson, students will share their projects with their peers, give/receive feedback on each other’s projects, export and submit their designs, and answer a series of reflection questions. Note: the lessons for 1A, 1B, and 1C are almost identical in this section. This is a great chance for students to teach each other about their specific project choice and user!
Estimated time required: 1-2 class periods.
Technology required for this lesson: Code Editor, Electronics Kit, Laptop/Desktop, Tablet.
Students determine the refractive index of a liquid with a simple technique …
Students determine the refractive index of a liquid with a simple technique using a semi-circular hollow block. Then they predict the refractive index of a material (a Pyrex glass tube) by matching it with the known refractive index of a liquid using the percent light transmission measurement. The homemade light intensity detector uses an LED and multimeter, which are relatively inexpensive (and readily available) compared to commercially available measurement instruments.
Have you ever tried to reach for something that was too far …
Have you ever tried to reach for something that was too far away? What tool could help you reach an object? Try inventing your own grabber to use at home.
Students learn how paper is made. Working together, student teams make their …
Students learn how paper is made. Working together, student teams make their own paper. This activity introduces students to recycling; what it is, its value and benefits, and how it affects their lives.
Students learn about the difference between temperature and thermal energy. They build …
Students learn about the difference between temperature and thermal energy. They build a thermometer using simple materials and develop their own scale for measuring temperature. They compare their thermometer to a commercial thermometer, and get a sense for why engineers need to understand the properties of thermal energy.
What is inside a video game controller? Students learn about simple circuits …
What is inside a video game controller? Students learn about simple circuits and switches as they build arcade controllers using a cardboard box and a MaKey MaKey—an electronic tool and toy that enables users to connect everyday objects to computer programs. Each group uses a joystick and two big push button arcade buttons to make the controller. They follow provided schematics to wire, test and use their controllers—exploring the functionality of the controllers by playing simple computer games like Tetris and Pac-Man. Many instructional photos, a cutting diagram and a wiring schematic are included.
Students control small electric motors with Arduino microcontrollers to make simple sticky-note …
Students control small electric motors with Arduino microcontrollers to make simple sticky-note spinning fans and then explore other variations of basic motor systems. Through this exercise, students create circuits that include transistors acting as switches. They alter and experiment with given basic motor code, learning about the Arduino analogWrite command and pulse width modulation (PWM). Students learn the motor system nuances that enable them to create their own motor-controlled projects. They are challenged to make their motor systems respond to temperature or light, to control speed with knob or soft potentiometers, and/or make their motors go in reverse (using a motor driver shield or an H-bridge). Electric motors are used extensively in industrial and consumer products and the fundamental principles that students learn can be applied to motors of all shapes and sizes.
After reading the story "Dear Mr. Henshaw" by Beverly Cleary, student groups …
After reading the story "Dear Mr. Henshaw" by Beverly Cleary, student groups create alarm systems to protect something in the classroom, just as the main character Leigh does to protect his lunchbox from thieves. Students learn about alarms and use their creativity to devise multi-step alarm systems to protect their lockers, desk, pets or classroom door. Note: This activity can also be done without reading the Cleary book.
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