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Questions and Answers
What is the process called when light passes through a medium?
What is the process called when light passes through a medium?
Which of the following materials is described as opaque?
Which of the following materials is described as opaque?
What characteristic of a material is indicated if it allows some light to pass through?
What characteristic of a material is indicated if it allows some light to pass through?
What happens to light energy when it is absorbed by a material?
What happens to light energy when it is absorbed by a material?
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Which type of object would allow the most visibility of an object behind it?
Which type of object would allow the most visibility of an object behind it?
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Which of the following best describes how the waxed paper interacts with light?
Which of the following best describes how the waxed paper interacts with light?
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What defines a material as being classified as transparent?
What defines a material as being classified as transparent?
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How do opaque materials behave with light?
How do opaque materials behave with light?
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What is a key characteristic of translucent objects?
What is a key characteristic of translucent objects?
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Which of the following is an example of light absorption?
Which of the following is an example of light absorption?
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Study Notes
Waves and Their Applications
- Unit 1 - Module L
Standards
- MS-PS4-1: Use mathematical representations to describe a simple model for waves. This model should include how wave amplitude relates to wave energy.
- MS-PS4-2: Develop and use a model to describe waves reflecting, absorbing, or transmitting through different materials.
Objectives
- Describe light absorption and transmission
- List examples of transparent, translucent, and opaque objects
- Categorize objects as opaque, translucent, or transparent
- Compare and contrast transparent, translucent, and opaque objects
Vocabulary
- Transmission
- Absorption
- Transparent
- Translucent
- Opaque
Starter Activity
- Sandwiches wrapped in clear plastic wrap, waxed paper, and brown paper.
- Students are to consider how each wrapper affects what they see.
Group Work
- Group 1: Research transmission of light.
- Group 2: Research the meanings of transparent, translucent, and opaque objects.
- Group 3: Research the meaning of light absorption.
Transmission of Light
- The passing of light waves through matter is called transmission.
Types of Media for Light Transmission
- Clear plastic wrap (transparent): Transmits all light, allowing you to see clearly through it.
- Waxed paper (translucent): Transmits some light, allowing you to see objects behind it but with reduced clarity.
- Brown paper (opaque): Does not transmit any light, so the object behind is not visible.
Absorption of Light
- Absorption is the transfer of light energy to matter.
- Opaque materials do not allow light to pass through but reflect or absorb the light.
- When light enters a material and does not leave, it's absorbed, resulting in a shadow.
Checking Understanding (Page 63)
- A. Sandwich wrapped in clear plastic wrap: allows all light to pass through.
- B. Sandwich wrapped in waxed paper: allows some light to pass through but obscures the view.
- C. Sandwich wrapped in brown paper: blocks all light, making the sandwich invisible.
Exit Ticket
- Link provided: https://wordwall.net/play/29917/057/472
Day 2 - Lesson 4 (Lab)
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Objectives:
- Identifying transparent, translucent, and opaque objects
- Categorize materials based on the amount of light passing through them
- Investigate light's behavior through different objects
Day 3 - Project
- Objectives: Conduct a waste audit of the school environment.
- Outcomes: Students identify waste issues at school, organize and analyze data, develop solutions.
- Procedures: Collect data about different waste materials.
Day 4
- Sports Day
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Description
This quiz focuses on the basic concepts of waves, specifically examining light absorption, transmission, and the classification of materials as transparent, translucent, or opaque. Students will explore mathematical models and engage in activities that enhance their understanding of how waves interact with different materials. Prepare to apply your knowledge of waves in practical scenarios.
