Name:_________________________________________
CER: Electromagnets
You have gathered the following information about electromagnets:
Original design of electromagnet
15 paperclips (average) picked up
Design Variable Changed (compared to
original design)
Average number of paperclips picked up
Less wire
10
Stronger battery
25
Thicker wire
11
Longer nail
18
Use the information above to help answer the following question:
How can we make an electromagnet stronger?
Claim: When building a strong electromagnet you will need it to have
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_____/1 ALL (4) factors are listed and are correctly identified
Evidence Use at least two pieces of evidence provided from the table above to support your
claim: (be sure to describe the way in which your recommended design compares to the original
design).
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_____/3
____/2 at least two points of data are used and compared to the original; numbers are used
____/1 evidence is accurate and avoids explanations, complete sentences are used
Name:_________________________________________
Reasoning
Using the scientific concept of electricity and magnetism to explain why your data supports
your claim. You only need to provide reasoning for ONE piece of data.
_______________________________________ is necessary when building a strong electromagnet
because ____________________________________________________________________________________
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______________________________________________________________________________________________
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_____/3
-scientific concepts of electricity and magnetism are accurately used to connect evidence to
claim (2)
-complete sentences are used (1)
TOTAL ________/7