Read about Manny’s investigation then answer the questions.
1. What is a benefit of Manny’s electromagnet?
2. What are two things Manny could do to increase the strength of the electromagnetic force?
3. Look at the picture closely. What evidence is there that the electromagnet exerts a force on the
paper clips, even though they are not touching?
4. Many detaches the two wires from the battery and reattaches them to the opposite terminals.
Explain how this changes the current and magnetic field.
5. Suppose you pull the paperclips away from the nail. Explain how the potential energy between
the paperclips and the nail changes.
Answers: 1
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It is advised not to hold the thermometer by the bulb while reading it
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What is offspring? why does a longer life span mean a higher chance of producing offspring?
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Regarding the history of the universe, which of the following is true? all the chemical elements were created during the big bang, but some have been modified since that time as a result of radioactive decay. the earth formed quickly after the big bang. all the current stars in our galaxy formed about the same time billions of years ago. key elements of which earth and life are made, including carbon, oxygen, and iron, did not exist when the universe was born and were created later in stars.
Answers: 1
Read about Manny’s investigation then answer the questions.
1. What is a benefit of Manny’s electro...
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