angelinegonzales
Answered

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A student is investigating the strength of electromagnets she created using batteries, wire, and nails.
She uses two different-sized nails and varies the number of coils of wire around the nail to determine how many paper clips each configuration can lift. She makes a data table of the results.
The student hypothesizes that the number of coils has a cause-and-effect relationship on the strength of the magnetic devices she made. Which would be the best way for the student to test the devices to be sure that her hypothesis is accurate?

A Student Is Investigating The Strength Of Electromagnets She Created Using Batteries Wire And Nails She Uses Two Differentsized Nails And Varies The Number Of class=
A Student Is Investigating The Strength Of Electromagnets She Created Using Batteries Wire And Nails She Uses Two Differentsized Nails And Varies The Number Of class=

Sagot :

iianliang

Explanation:

You will change two variables to make different electromagnets: the number of wire coils around the nail (10 or 20) and the number of D cell batteries.

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