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Reflection

Readiness

Reflection

TEKS Objective

Demonstrate that light travels in a straight line until it strikes an object or travels from one medium to another and demonstrate that light can be reflected such as the use of mirrors or other shiny surfaces, and refracted such as the appearance of an object when observed through water.


Essential Understanding

The student knows that energy occurs in many forms and can be observed in cycles, patterns, and systems.

Science Background

Optics for Kids: Optical Research Associates (website) - This website may be for kids, but it makes the science of light interesting and easy for adults to understand, too.

Optics for Kids
by Bruce Irving, Optical Solutions Group, optics.synopsys.com

Introduction to Light and Color: NASA Optics Educator Guide (PDF) - Background information on the properties of light, with a focus on reflection and magnification.

Introduction to Light and Color
from the NASA Optics Educator Guide, NASA, www.nasa.gov

Making Light of Science: Science NetLinks (website) - Excellent background information and advanced lessons on the electromagnetic spectrum, with focus on visible light.

Making Light of Science
Science NetLinks, www.sciencenetlinks.com

Signature Lesson

Mirror, Mirror on the Wall - Angles of Reflection: Florida State University Molecular Expressions (website) - Students investigate the way light bounces off mirrors.

Mirror, Mirror on the Wall - Angles of Reflection
Molecular Expressions, Florida State University, www.micro.magnet.fsu.edu

Supporting Lessons

Reflection of Light with a Plane (Flat) Mirror: NASA Optics Educator Guide (PDF) - Students use a mirror to experiment with reflection.

Reflection of Light with a Plane (Flat) Mirror
NASA Optics Educator Guide, NASA, www.nasa.gov

Making a Periscope: NASA Optics Educator Guide (PDF) - Students investigate a simple periscope to see how it reflects light.

Making a Periscope
NASA Optics Educator Guide, NASA, www.nasa.gov

Light Reflection and Absorption: Alabama Learning Exchange (website) - Students examine and test a variety of common objects to determine if they reflect or absorb light, and then present their findings to the class.

Light Reflection and Absorption
Alabama Learning Exchange, http://alex.state.al.us

Elaboration Lessons and Extensions

How We See: Science Games for Kids (website) - Students experiment with light and mirrors to learn how vision works.

How We See
Science Games for Kids, www.sciencekids.co.nz

Medium Level Activities: Optical Society of America (website) - Classroom activities that deepen students’ understanding and inform instruction related to the behavior light.

Medium Level Activities
Optical Society of America, www.optics4kids.org

 

Assessment Ideas

Translation, Rotation and Reflection Worksheets: Super Teacher Worksheets (website) - Students draw geometric shapes and learn about different types of shape movements or transformations, including translation, rotation, and reflection.

Translation, Rotation and Reflection Worksheets
Super Teacher Worksheets, www.superteacherworksheets.com

Literature Connections

Experiments with Light and Mirrors. Gardner, R. (ISBN-13: 978-0766028586)

Day Light, Night Light: Where Light Comes From. Branley, Franklyn (ISBN-13: 978-0064451710)

Science With Lights and Mirrors. Edom, H. (ISBN-13: 978-0746006962)

Rainbow and You. Krupp, Edwin (ISBN-13: 978-0688156015)

Related Science TEKS

(5.1A) Science Safety
The student is expected to demonstrate safe practices and the use of safety equipment as described in the Texas Safety Standards during classroom and outdoor investigations.

(5.1B) Recycling/Disposal of Science Materials
The student is expected to make informed choices in the conservation, disposal, and recycling of materials.

(5.2B) Ask Questions, Formulate a Hypothesis
The student is expected to ask well-defined questions, formulate testable hypotheses, and select and use appropriate equipment and technology.

(5.2C) Collect Data
The student is expected to collect information by detailed observations and accurate measuring.

(5.2D) Analyze Evidence and Explain
The student is expected to analyze and interpret information to construct reasonable explanations from direct (observable) and indirect (inferred) evidence.

(5.2F) Communicate Conclusions
The student is expected to communicate valid conclusions in both written and verbal forms.

(5.2G) Graphs, Tables, Charts
The student is expected to construct appropriate simple graphs, tables, maps, and charts using technology, including computers, to organize, examine, and evaluate information.

(5.4A) Tools for Collecting and Analyzing Information
The student is expected to collect, record, and analyze information using tools, including calculators, microscopes, cameras, computers, hand lenses, metric rulers, Celsius thermometers, prisms, mirrors, pan balances, triple beam balances, spring scales, graduated cylinders, beakers, hot plates, meter sticks, magnets, collecting nets, and notebooks; timing devices, including clocks and stopwatches; and materials to support observations of habitats or organisms such as terrariums and aquariums.

(5.4B) Safety Equipment
The student is expected to use safety equipment, including safety goggles and gloves.

(5.6A) Forms and Uses of Energy
The student is expected to explore the uses of energy, including mechanical, light, thermal, electrical, and sound energy.

Related Math TEKS

5.8A    The student is expected to sketch the results of translations, rotations, and reflections on a Quadrant I coordinate grid.

5.12B   The student is expected to use experimental results to make predictions.

5.14B   The student is expected to solve problems that incorporate understanding the problem, making a plan, carrying out the plan, and evaluating the solution for reasonableness.

5.15A The student is expected to explain and record observations using objects, words, pictures, numbers, and technology. 

Additional Resources

The Science Explorer: Exploratorium (website) - Students explore properties of light through hands-on investigations.

The Science Explorer
Exploratorium, www.exploratorium.edu

Light, Color and their Uses Educator Guide: NASA (website) - Color and light activities using lenses, prisms and mirrors to create telescopes, periscopes, microscopes and kaleidoscopes. Other activities include finding focal length and understanding reflection, refraction and diffraction.

Light, Color and their Uses Educator Guide
NASA, www.nasa.gov

Science, Optics and You: Molecular Expressions (website) - Student activities investigating light, optics and color.

Science, Optics and You
Molecular Expressions, Florida State University, www.micro.magnet.fsu.edu

Reflection & Refraction: My Schoolhouse (website) - Illustrated explanation of reflection and refraction, suitable for young students.

Reflection & Refraction
My Schoolhouse, www.myschoolhouse.com

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