Finish your investigate questions. The link below is the simulator we used in class, feel free to use it to help you answer the questions.
http://phet.colorado.edu/en/simulation/magnets-and-electromagnets
Also, read the chapter challenge, which starts on page 710. Then, research toys that use electromagnets/motors. Make a list of at least 5 of these toys in your notebook.
Thursday, November 15
Outline the 'Electromagnets' Physics Talk, starting on page 727 of your textbook. Also, answer the 'Checking Up' questions.
Wednesday, November 14
On loose leaf, answer the following questions using your notes, textbook and the internet:
1) Do magnets have to touch each other in order to experience a magnetic force? Explain.
2) What is the difference between a permanent and a temporary magnet?
3) If I want to know the direction of a magnetic field around a permanent magnet, what should I do?
4) A strong magnet in a junkyard can lift a car; what does this tell you about the relative strength of the magnetic and gravitational forces on the car? What do you think creates this magnetic force?
Also, mess around with this (use all the tabs at the top - it's awesome!):
http://phet.colorado.edu/en/simulation/faraday
1) Do magnets have to touch each other in order to experience a magnetic force? Explain.
2) What is the difference between a permanent and a temporary magnet?
3) If I want to know the direction of a magnetic field around a permanent magnet, what should I do?
4) A strong magnet in a junkyard can lift a car; what does this tell you about the relative strength of the magnetic and gravitational forces on the car? What do you think creates this magnetic force?
Also, mess around with this (use all the tabs at the top - it's awesome!):
http://phet.colorado.edu/en/simulation/faraday
Friday, November 9
Complete all of the following for Monday:
1) If you did not receive a √+ on your 7.1 outline, you should add to it/amend it appropriately (as per our discussion in class today).
2) Finish the Investigate B, if you have not already.
3) Answer the 'Essential Questions' on page 723 of your textbook.
Have a nice weekend!
1) If you did not receive a √+ on your 7.1 outline, you should add to it/amend it appropriately (as per our discussion in class today).
2) Finish the Investigate B, if you have not already.
3) Answer the 'Essential Questions' on page 723 of your textbook.
Have a nice weekend!
Tuesday, November 6
Answer the following questions in your notebook, under the heading "Chapter 7, Section 1. What Do You Think?" :
1) How many sides does a magnet have? What are these sides called?
2) A compass is really just a bar magnet. What does that mean about the Earth? How does the compass know to point North?
3) Do magnets need to be touching one another in order for you to feel a force between them? How do you know? Give examples.
1) How many sides does a magnet have? What are these sides called?
2) A compass is really just a bar magnet. What does that mean about the Earth? How does the compass know to point North?
3) Do magnets need to be touching one another in order for you to feel a force between them? How do you know? Give examples.
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