Key Words and Phrases:
alloy (n) substance (n)
melt (n) melting point (n)
boil (v) boiling point (n)
conductivity (n) density
porosity gray cast iron
resistivity leak(v)
hydraulic pressure distinction (n)
I. Answer the following questions:
What are the physical properties of alloys and metals?
What is the melting point of a substance?
What does the boiling point of a substance depend on?
Can you explain the phenomenon of conductivity?
What is the electrical conductivity?
How is the heat conductivity measured?
How can you measure magnetism?
Which metals possess magnetism at room temperature?
What is porosity?
What does density denote?
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