Why Earth’s Magnetic Shield Matters,science homework help

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This assignment has two parts. The first part (A) requires that you have reviewed the course notes for this week. The second part (B) requires you to watch some videos and respond to prompts about them.

Part A

You will first need to review the course notes for this week, and optionally attend or watch recordings of the lecture GoTo sessions. For part A, please post at least two well thought out questions that you have over this week’s material. Questions should be based on the course notes or lectures and be related to physical science. These questions can include things you are not sure you understand, concepts you find confusing, or questions that go beyond the scope of this course. Questions that make it apparent you have not reviewed the material, have not been thorough, or show no effort, may receive partial or no credit at your instructor’s discretion. Take advantage of your chance to learn. You do not need to answer them, but these questions are mandatory and part of the grade for this activity. I will respond to one or both of your questions in the grade comments section after submission.

Part B

Below you will find links to online videos for you to watch followed by a few prompts. Your response for Part B must be a minimum of 150 words. You can choose to either watch one video and post a response of 150 words on that single videoor you may watch more than one video and distribute the 150 words across more prompts. (For example, if you chose to watch two videos, your response could be 75 words each for a total of 150 words.) Each prompt might include several questions, but you do not need to answer each one. Use these questions inside each prompt to guide and inspire your response.

Why Earth’s Magnetic Shield Matters

Prompt #1: What happened to the once living planet Mars that forever made life impossible there? As the example of what happened to Mars shows us, the ability for life to develop and thrive can be precarious, yet life on Earth has existed for a long, long time. Discuss some of the conditions and characteristics of Earth that make it just right for life to survive and flourish here.

The Coolest Things Sound Can Do

Prompt #2: Which of the sound technologies described in the video do you think would most likely come to fruition? Have you heard of any other uses of sound or cool things that sound can do?

A Visualization of the Electromagnetic Spectrum

Prompt #3: First, describe your level of understanding, or awareness, of the Electromagnetic Spectrum before watching this video. If your conception of light is different now, describe how it’s different from before/after. Does the visualization of how engulfed we are in Electromagnetic energy change your perception of everyday life? What piece of information from the video stood out to you the most, in terms of something you didn’t know or appreciate before?

How do we know what the Universe is made of?

Prompt #4: Before watching this video, were you ever skeptical of how scientists could say, with authority, that some distant star was made of such and such? Does watching this video clear up any question you had before on where our knowledge of the Universe comes from? What does this video tell you about the various pieces of astronomy technology that we have in space?


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