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- Abstract:
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This activity is an investigation of what colors make up white light. Students will explore through two different hands-on activities.
- Subject:
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Science and Technology
- Grade Level:
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Primary
- Collection:
-
Pedagogy in Action (SERC)
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This activity is an experiment where students learn about angles of reflection and use that knowledge to reflect a light beam around obstacles to a target across the classroom.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
-
Pedagogy in Action (SERC)
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Light and Matter is a six-volume series of introductory physics textbooks.
This digital textbook was reviewed for its alignment with California content standards.
- Subject:
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Science and Technology
- Grade Level:
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Secondary,
Post-secondary
- Collection:
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LightandMatter.com
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Physical Science Content Standard B of the National Science Education Standards encompasses transfer of energy and specifically states, Light interacts with matter by transmission (including refraction), absorption, or scattering (including reflection). We begin with early investigations into the nature of light that culminated in the current understanding of the nature of light, both visible and invisible as the same physical laws apply to the entire electromagnetic spectrum. From there students are ready to explore the interaction of light with various surfaces, producing a variety of perceptible effects. Finally, students will be able to apply their knowledge through construction, critique, and assessment of their own optical devices or interpretation of optically derived data.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
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Middle School Portal
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In this activity about light and perception, learners create pictures in thin air. Using a simple set up of a slide projector, slide, moveable screen or poster board, and a "wand", learners investigate how we see projected images such as those from movies and television. Use this activity to help learners understand concepts associated with light and optics including persistence of vision, reflection, and map projection.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
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Exploratorium
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Read the Fine Print
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Discover how a refracting telescope works by making one from scratch using common items. This telescope won't have a tube so the learner can see how an image is formed inside the telescope. One lens of a drugstore pair of reading glasses serves as the objective lens of the telescope - the lens that gathers light from stars or other objects. A magnifying glass serves as the eyepiece.
- Subject:
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Science and Technology
- Grade Level:
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Secondary
- Collection:
-
Exploratorium
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In this activity, learners calculate the width (horizontal diameter) of the blind spot on their retina. Learners make a blind spot tester using a piece of notebook paper. They use simple geometry of similar triangles to calculate the size of the blind spot.
- Subject:
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Science and Technology
- Grade Level:
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Secondary
- Collection:
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SMILE Pathway
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This series helps teachers demystify physics by showing students what it looks like. Field trips to hot-air balloon events, symphony concerts, bicycle shops, and other locales make complex concepts more accessible. Inventive computer graphics illustrate abstract concepts such as time, force, and capacitance, while historical reenactments of the studies of Newton, Leibniz, Maxwell, and others trace the evolution of theories. The Mechanical Universe helps meet different students' needs, from the basic requirements of liberal arts students to the rigorous demands of science and engineering majors. This series is also valuable for teacher professional development. A video instructional series on physics for college and high school classrooms and adult learners; 52 half-hour video programs and coordinated books.
- Subject:
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Science and Technology
- Grade Level:
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Secondary,
Post-secondary
- Collection:
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Annenberg Learner
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Discover what controls how fast tiny molecular motors in our body pull through a single strand of DNA. How hard can the motor pull in a tug of war with the optical tweezers? Discover what helps it pull harder. Do all molecular motors behave the same?
- Subject:
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Mathematics and Statistics,
Science and Technology
- Grade Level:
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Post-secondary
- Collection:
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PhET Interactive Simulations
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The EJS Multiple Slit Diffraction model allows the user to simulate Fraunhofer diffraction through single or multiple slits. The user can modify the number of slits, the slit width, the slit separation and the wavelength of the incident light. The scale of the diffraction pattern can also be changed and a plot of the light intensity can be toggled on and off with a checkbox.
- Subject:
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Science and Technology
- Grade Level:
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Post-secondary
- Collection:
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Open Source Physics
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In NASA CONNECT Mirror, Mirror on the Universe, students discover how algebra and telescopes are used in space exploration and why optics, which is the study of light, is important in astronomy. Students learn about the Hubble Space Telescope, Hubble Deep Field, and how NASA engineers use algebra in their work.
- Subject:
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Mathematics and Statistics,
Science and Technology
- Grade Level:
-
Primary,
Secondary
- Collection:
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NASA CONNECT
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Intensity Distributions of (monochromatic) light of wavelength ? diffracted through an optical lattice.
- Subject:
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Mathematics and Statistics
- Grade Level:
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Secondary,
Post-secondary
- Collection:
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GeoGebraTube
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Explore an active area of research in optical physics: producing designer pulse shapes to achieve specific purposes, such as breaking apart a molecule. Carefully create the perfect shaped pulse to break apart a molecule by individually manipulating the colors of light that make up a pulse.
- Subject:
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Mathematics and Statistics,
Science and Technology
- Grade Level:
-
Secondary,
Post-secondary
- Collection:
-
PhET Interactive Simulations
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The EJS Optical Resolution model computes the image from two point sources as seen through a circular aperture such as a telescope or a microscope. The simulation allows the user to vary the distance between the light sources and the diameter of the aperture, as well as the intensity of the light source.
- Subject:
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Science and Technology
- Grade Level:
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Post-secondary
- Collection:
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Open Source Physics
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Did you ever imagine that you can use light to move a microscopic plastic bead? Explore the forces on the bead or slow time to see the interaction with the laser's electric field. Use the optical tweezers to manipulate a single strand of DNA and explore the physics of tiny molecular motors. Can you get the DNA completely straight or stop the molecular motor?
- Subject:
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Mathematics and Statistics,
Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
-
PhET Interactive Simulations
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Read the Fine Print
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This course provides an introduction to optical science with elementary engineering applications. Topics covered in geometrical optics include: ray-tracing, aberrations, lens design, apertures and stops, radiometry and photometry. Topics covered in wave optics include: basic electrodynamics, polarization, interference, wave-guiding, Fresnel and Fraunhofer diffraction, image formation, resolution, space-bandwidth product. Analytical and numerical tools used in optical design are emphasized. Graduate students are required to complete assignments with stronger analytical content, and an advanced design project.
- Subject:
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Science and Technology
- Grade Level:
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Post-secondary
- Collection:
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MIT OpenCourseWare
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In this activity, learners investigate color vision as well as plan and conduct their own experiments. In "CLASS EXPERIMENT," learners discover that afterimages occur because of properties of cells in the retina and because of the way nerve pathways carry color information to the brain. They learn basic facts about photoreceptors, nerve connections, and opponent colors. In "TRY YOUR OWN EXPERIMENT," learners design experiments, investigating, for example, how skillful people are at distinguishing gradations of color and how color helps us discern objects in a scene. This lesson plan includes background information and guides for educators and learners.
- Subject:
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Science and Technology
- Grade Level:
-
Primary,
Secondary
- Collection:
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SMILE Pathway
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In this activity, learners investigate visual perception as well as plan and conduct their own experiments. In "CLASS EXPERIMENT," learners discover how depth perception works by testing their ability to perform motor tasks with one eye or two eyes. In "TRY YOUR OWN EXPERIMENT," learners design experiments investigating visual illusions, such as shadow vs. figure, length of lines, or apparent size. They can investigate visual attention with "minimum difference tests." This lesson plan includes background information and guides for educators and learners.
- Subject:
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Humanities,
Science and Technology
- Grade Level:
-
Primary,
Secondary
- Collection:
-
SMILE Pathway
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