An interactive simulation in which students use a model of charged objects …
An interactive simulation in which students use a model of charged objects to explain how charges interact and construct an understanding of Coulomb's Law. It is concerned with comparing ions and neutral atoms. The model allows the user to investigate the relationships between sign of charge, magnitude of charge, and distance between ions. The model illustrates the operation of three types of electroscopes. Next it visually explores how a static charge can bend the path of a moving electron, and then graphically and numerically explores Coulomb's Law. Lastly a model that illustrates polarization of charge illustrates why a charged balloon is attracted to a neutral wall. The system allows students to enter their multiple choice and written answers throughout the activity and generate a report of their responses at the end even if they are not logged into the system.
This is the first instructional sequence in a teacher's guide built with …
This is the first instructional sequence in a teacher's guide built with the purpose of helping students build a deeper understanding of the Structures and Properties of Matter standard.Students have the opportunity to engage with interactive simulations, create poetry, drawing scientific diagrams, read complex text, develop evidence based explanations and design a model . The instructional sequence described in the lesson uses the 5 E learning model and includes a variety of online simulations, polls and model drawings.
A collaboration between the National Aeronautics and Space Administration (NASA) and the …
A collaboration between the National Aeronautics and Space Administration (NASA) and the CK-12 Foundation, this book provides high school mathematics and physics teachers with an introduction to the main principles of modeling and simulation used in science and engineering. An appendix of lesson plans is included.
Through class discussion and think-pair-share questions, this activity helps students come to …
Through class discussion and think-pair-share questions, this activity helps students come to understand the difference between emf and potential difference in electrical circuits. These concepts are broached within the context of internal resistance of batteries.
In this interactive lecture, models of the hydrogen atom are explored using …
In this interactive lecture, models of the hydrogen atom are explored using an online Java applet. The exploration leads to qualitative and quantitative analysis of energy transitions.
This activity is an indoor lab for use with Vernier gas pressure …
This activity is an indoor lab for use with Vernier gas pressure sensors that allows students to experimentally determine the molar volume of a gas and ideal gas constant.
In this interactive activity from ChemThink, learn about covalent molecules and how …
In this interactive activity from ChemThink, learn about covalent molecules and how the VSEPR theory predicts the shapes of covalently-bonded molecules.
This pathway explores the concept of momentum. Momentum as a quantity is …
This pathway explores the concept of momentum. Momentum as a quantity is defined, and its relationship to force explained. The law of conservation of momentum is introduced, as well as the term impulse. Problems are included at the end of the chapter to check for understanding.
This reference is a series of assessment items that require that the …
This reference is a series of assessment items that require that the students think through momentum conceptually, analyze graphs related to impulse and momentum, and work through calculations using momentum and impulse. There are energy and momentum problems mixed together in this set. Due to the large number of assessment items, the instructor will want to select a portion of the questions rather than use the entire set as a single assessment. The webpage is formatted in a straight forward text so it is easy to copy and paste the items for use in classroom tests and quizzes.
Students learn the physical properties of sound, how it travels and how …
Students learn the physical properties of sound, how it travels and how noise impacts human health—including the quality of student learning. They learn different techniques that engineers use in industry to monitor noise level exposure and then put their knowledge to work by using a smart phone noise meter app to measure the noise level at an area of interest, such as busy roadways near the school. They devise an experimental procedure to measure sound levels in their classroom, at the source of loud noise (such as a busy road or construction site), and in between. Teams collect data using smart phones/tablets, microphones and noise apps. They calculate wave properties, including frequency, wavelength and amplitude. A PowerPoint® presentation, three worksheets and a quiz are provided.
Students learn why and how motion occurs and what governs changes in …
Students learn why and how motion occurs and what governs changes in motion, as described by Newton's three laws of motion. They gain hands-on experience with the concepts of forces, changes in motion, and action and reaction. In an associated literacy activity, students design a behavioral survey and learn basic protocol for primary research, survey design and report writing.
In this activity students analyze the motion of a student walking across …
In this activity students analyze the motion of a student walking across the room and predict, sketch, and test distance vs. time graphs and velocity vs. time graphs.
In this activity students will determine the speed of a moving vehicle …
In this activity students will determine the speed of a moving vehicle using a stopwatch and meter stick. Then convert units of meters/sec to miles/hr.
This pathways exapnds the concepts of motion from one dimension into two …
This pathways exapnds the concepts of motion from one dimension into two dimensions. Two key applications of this are the pendulum and projectile motion. The pathways concludes with questions that test understanding of the topic.
This activity is a lab where students make measurements of a mass …
This activity is a lab where students make measurements of a mass on a spring and work through appropriate calculations dealing with simple harmonic motion.
Study the motion of a toy car on a ramp and use motion sensors to digitally graph the position data and then analyze it. Make predictions about what the graphs will look like, and consider what the corresponding velocity graphs would look like.
This video segment adapted from NOVA relates the dramatic story of vulcanologists …
This video segment adapted from NOVA relates the dramatic story of vulcanologists trying to predict the timing of the cataclysmic eruption of Mount Pinatubo in the Philippines.
Mechanical energy is the most easily understood form of energy for students. …
Mechanical energy is the most easily understood form of energy for students. When there is mechanical energy involved, something moves. Mechanical energy is a very important concept to understand. Engineers need to know what happens when something heavy falls from a long distance changing its potential energy into kinetic energy. Automotive engineers need to know what happens when cars crash into each other, and why they can do so much damage, even at low speeds! Our knowledge of mechanical energy is used to help design things like bridges, engines, cars, tools, parachutes, and even buildings! In this lesson, students will learn how the conservation of energy applies to impact situations such as a car crash or a falling object.
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