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ROAD MAP:

1- Lesson overview

2- Pre-assessment

3- Investigate

4- Individual Work (Scientists)

6- Choice board

7- Post-assessment

8- Reflection

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Objectives:

Understand how waves transfer energy

differentiate between pulse and repeating movements.

Terminologies:

Wave

Energy Transfer

Pulse Wave

Repeating Wave

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Which of the following scenarios best illustrates the principles of exothermic and endothermic reactions as well as the rate of reaction and heat transfer?

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A) Mixing baking soda and vinegar produces a gas and cools the solution, demonstrating an endothermic reaction that slows down over time

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B) Combusting methane gas in a closed container releases heat, increasing the temperature of the surrounding air and accelerating the reaction rate.

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C) Dissolving salt in water absorbs heat, making the solution colder while the rate of dissolution remains constant.

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D) A chemical reaction occurs at room temperature, producing gas, with no noticeable temperature change or energy transfer.

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Which of the following best describes a transverse wave?

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A) A wave where the particle displacement is parallel to the direction of the wave

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B) A wave where the particle displacement is perpendicular to the direction of the wave

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C) A wave that moves in a straight line only

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D) A wave that requires a medium to travel

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What does the amplitude of a wave represent?

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B) The height of the wave from its rest position

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D) The number of waves that pass a point in a given time

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Question: "How do you think energy travels through waves?"

Discussion: Share thoughts with a partner and then with the class.

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Transverse & Longitudinal Waves _ Waves _ Physics 

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Transverse & Longitudinal Waves _ Waves _ Physics _ FuseSchool

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MCQ:

1. What part of a wave represents the highest point?

A) Trough

B) Crest

C) Amplitude

D) Wavelength

Create a visual representation (drawing or digital graphic) illustrating how energy is transferred through waves, using the domino effect as an example.

Instructions:

Label the parts of the wave (crest, trough, etc.).

Include arrows to show the direction of energy transfer.

Submission: Upload your graphic to the Padlet.

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MCQ:

1. Which type of wave requires a medium to travel?

A) Electromagnetic wave

B) Transverse wave

C) Longitudinal wave

D) Both B and C

Record a short podcast (2-3 minutes) explaining how energy transfer through waves occurs.

Instructions:

Use examples from everyday life (e.g., sound waves, water waves).

Discuss how these waves demonstrate energy transfer.

Submission: Upload your audio file or link to the Padlet.

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MCQ:

1. What is the primary purpose of a wave?

A) To transfer energy

B) To transfer matter

C) To create heat

D) To change color

Essay Question: Conduct a hands-on experiment using dominoes or other small objects to demonstrate energy transfer through waves.

Instructions:

Set up a line of dominoes and push the first one to show how energy travels.

Record a video explaining what happens and how it relates to wave energy transfer.

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IXL | Longitudinal waves | 7th grade science

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Improve your science knowledge with free questions in "Longitudinal waves" and thousands of other science skills.

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1. Create a Wave Model: Construct a physical model of a transverse or longitudinal wave using materials like string, springs, or slinkies. Label the parts (crest, trough, compression, rarefaction). String, springs, slinkies, markers, poster board

2. Write a Reflection: Write a one-page reflection on what you learned about waves, including how energy is transferred and the differences between types of waves. Use specific examples to support your points.Paper, writing tools

3. Design a Presentation: Create a digital presentation (PowerPoint or Google Slides) explaining wave concepts, including definitions, types of waves, and energy transfer. Include visuals and examples.

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1. What did I learn?

2. What was the most challenging part?

3. What can I improve next time?

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