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Complexity level:
9
Project cost ($):
180
Time required:
1 day to prepare, 10 days for science fair project
Material availability:
Access to a hardware supplier or your school’s laboratory supplier. You will also need a Rockwell hardness tester and a high temperature dry box.
Safety concerns:

Ensure that the experiment is conducted in a properly equipped laboratory, under the supervision of your science teacher. Hot metal samples need to be handled with the use of proper equipment and protective gear.