Go back to the main page and click on hardness. black, grey, black
1.
What is the name of the scale used to determine the hardness of mineral. The mohs
2. If I have a mineral that can be scratched by a diamond, but cannot be scratched by
topaz, what is its hardness?the substance that
3. Name and give the hardness of an example of a soft, intermediate and hard mineral.
1
Go back to the main page and click on cleavage/fracture.
1. What is cleavage? What is fracture?

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

How is the atomic number of a nucleus changed by alpha decay