This is a PBL project that had students build a "collision contraption" …
This is a PBL project that had students build a "collision contraption" to be used as the basis for understanding the concepts of impulse and momentum. It was specifically designed to help students increase their depth of knowledge of impulse, momentum, and the differences in energy and momentum conservation between elastic and inelastic collisions. The project required students to design, build, and then use as a basis to prove their applied mastery of impulse and momentum, a contraption that would accurately predict the 2-dimensional motion of colliding objects, as well as to demonstrate the value of modern automobile design features in terms of safety. Note that the project was designed and delivered per the North Carolina honors Physics curriculum and it can be customized to meet your own specific curriculum needs and resources.
Students will observe how potential and kinetic energy relate to the transfer …
Students will observe how potential and kinetic energy relate to the transfer of energy from one marble to another when they collide. Students will introduce different variables (mass and height) and investigate the transfer of potential and kinetic energy in a sled collision online simulation. Students will build a ramp, test it, and measure the distance their cars travel caused by the collision. Students will create a presentation to share their findings with the class. This lesson results from the ALEX Resource Gap Project
Investigate collisions on an air hockey table. Set up your own experiments: …
Investigate collisions on an air hockey table. Set up your own experiments: vary the number of discs, masses and initial conditions. Is momentum conserved? Is kinetic energy conserved? Vary the elasticity and see what happens.
As a continuation of the theme of potential and kinetic energy, this …
As a continuation of the theme of potential and kinetic energy, this lesson introduces the concepts of momentum, elastic and inelastic collisions. Many sports and games, such as baseball and ping-pong, illustrate the ideas of momentum and collisions. Students explore these concepts by bouncing assorted balls on different surfaces and calculating the momentum for each ball.
Apply science and engineering ideas to design, evaluate, and refine a device …
Apply science and engineering ideas to design, evaluate, and refine a device that minimizes the force on a macroscopic object during a collision. The students are tasked with using their newly discovered physics skills to assess the quality of substances used in Crash Cushions that are used for safety on highways. This Open Inquiry Activity has the students design a ramp to test the speed of a moving object and the collision with four different materials. They are asked to figure out what material was best for the speed that they were going at. This Activity provides a variety of answers based on the angle of the ramp that they make. The fourth module wraps up this unit with a fun and interactive Activity that can either be done at home or at school.
Make a whole rainbow by mixing red, green, and blue light. Change …
Make a whole rainbow by mixing red, green, and blue light. Change the wavelength of a monochromatic beam or filter white light. View the light as a solid beam, or see the individual photons.
In this video, Jonathan explores how animals in the ocean use color, …
In this video, Jonathan explores how animals in the ocean use color, not just for camouflage, but to stand out. Please see the accompanying lesson plan for educational objectives, discussion points and classroom activities.
This demonstration shows that similar-appearing lights can be distinctly different, suggesting that …
This demonstration shows that similar-appearing lights can be distinctly different, suggesting that the light emitted is generated in different ways. It requires some advance preparation/setup by the teacher and three recommended sources of orange light, that can be purchased at a hardware or department store. Includes extensions and additional background information on light generation in a section on underlying principles. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications.
In this optics activity, learners discover that not all shadows are black. …
In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures. With three colored lights, learners can make shadows of seven different colors. They can also explore how to make shadows of individual colors, including black. Use this activity demonstrate how receptors in the retina of the eye work to see color.
This is a laboratory exercise designed to allow students to further investigate …
This is a laboratory exercise designed to allow students to further investigate the light spectrum. This lab is used to have students view the light spectrum first hand as opposed to using lecture alone.
This is an activity about the electromagnetic spectrum and how light is …
This is an activity about the electromagnetic spectrum and how light is split into its component frequencies or colors. Using a diffraction grating, learners will observe four different light sources and sketch their spectra. This activity requires access to a sodium vapor or mercury vapor light and two neon signs of differing color, as well as diffraction grating material. This is Astronomy Activity 2 in the Space Update collection of activities.
Short Description: NewParaColour theory covers a long history from antiquity to modern …
Short Description: NewParaColour theory covers a long history from antiquity to modern times. It includes academic and scientific investigations into how we see and understand colour. It also includes practical applications for using colour in creative work.NewParaThis learning resource covers the history of colour theory, how we see colour, and how to use colour systems to mix colour and create colour relationships.NewParaAlso included in this resource are quizzes to test your knowledge, and practical learning activities to guide users in applications of colour theory for art and design. It's useful for anyone working with colour in creative and scientific fields.
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In this video segment, members of the ZOOM cast experiment by bending …
In this video segment, members of the ZOOM cast experiment by bending and folding sheets of paper into various shapes to see which shape will support the weight of a heavy book.
Three in-class lecture demonstration questions to test and build understanding of DC …
Three in-class lecture demonstration questions to test and build understanding of DC circuits are presented. These questions cover simple series and parallel circuits, and a more complicated circuit that is fundamental for understanding this topic.
In this activity, students will create their own travel brochure or poster …
In this activity, students will create their own travel brochure or poster inviting people to visit a place where they could see an aurora. It is recommended that the class complete Lesson 1 in this series - What I know about the Aurora - prior to this activity. Includes teacher notes and instructions, student workshops and an online, animated story, and related teacher resources on aurora. This is lesson four of a collection of five activities that can be used individually or as a sequence; concludes with a KWL (Know/Want-to-know/Learned) assessment activity.
This lab activity is designed to allow students to experience what an …
This lab activity is designed to allow students to experience what an increase in mechanical advantage means. Students determine the mechanical advantage of three pulley set-ups. Students also measure the work input and output, then calculate the efficiency. Finally, students determine the relationship between the mechanical advantage and the efficiency of the pulleys.
This course outlines the physics, modeling, application, and technology of compound semiconductors …
This course outlines the physics, modeling, application, and technology of compound semiconductors (primarily III-Vs) in electronic, optoelectronic, and photonic devices and integrated circuits. Topics include: properties, preparation, and processing of compound semiconductors; theory and practice of heterojunctions, quantum structures, and pseudomorphic strained layers; metal-semiconductor field effect transistors (MESFETs); heterojunction field effect transistors (HFETs) and bipolar transistors (HBTs); photodiodes, vertical-and in-plane-cavity laser diodes, and other optoelectronic devices.
The course begins with the basics of compressible fluid dynamics, including governing …
The course begins with the basics of compressible fluid dynamics, including governing equations, thermodynamic context and characteristic parameters. The next large block of lectures covers quasi-one-dimensional flow, followed by a discussion of disturbances and unsteady flows. The second half of the course comprises gas dynamic discontinuities, including shock waves and detonations, and concludes with another large block dealing with two-dimensional flows, both linear and non-linear.
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