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Quiz: Magnetic Mining

Directions: Respond to each question below, as directed.
1. In your own words, explain below why a ship would trigger a magnetic mine.
2. You are searching for hidden mines (magnets) in another group’s box using your magnetometer in your sensor app. You get the following readings when moving your magnetometer along the grid paper. What does this graph tell you about where and which magnets (single or double) are hidden at what grid position?  [Select all answers that apply.]
Image Credit: Svenja Lohner, Science Buddies / Science Buddies

3. What graph would the magnetometer within your sensor app record when moving a magnet close to the magnetometer and then removing it again? Draft your graph on a paper graph template, like below, and also label the graph axes. Please explain your reasoning below.
Image Credit: Svenja Lohner, Science Buddies / Science Buddies

Directions: Choose the best answer(s) for questions 4 and 5, as directed.
4. Which factors affect the readings of your magnetometer?   [Select all answers that apply.]
5. Two magnetic fields of the same strength and with the opposite polarity...   [Select all answers that apply.]

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