Electromagnetism

Making a temporary magnet using electricity

Purpose

How are electricity and magnetism related? In this experiment the goal is to create a magnet by using electricity.

HypothesisIf _________________________________ (use independent variable)

Then ______________________________. (use dependent variable)

The reason for this is __________________________________________________________________________________________________________________________

Materials

100 cm of coated copper wire1 D cell (battery)1 iron bolt1 electrical tapeMinimum of 12 paperclips

Procedure

VariablesIndependent variable: __________________

Dependent variable: strength of electromagnet as measured by number of

paperclips picked up

Constants: ______________________________________________________

Control: __________________

Qualitative Observations

Number of coils Observations

0

10

20

Quantitative data

Independent Variable

_______________________

Dependent variable

_______________________________

Variable Change

New Independent Variable:Procedure Change:

2nd set of Data

Label the Dependent (responding) variable and include the units

Label the Independent (manipulated) variable and include unit of measurement

Write a title that describes the graph

Graph: ________________________________________________________

Label the numbers used in the data table.

Analysis of Graph

Improvements

What would improve the procedure?What would you investigate next?

Conclusion