7 Written Questions

1. ability of a material to resist scratches and indentations
2. ...
3. ability of a metal to be pressed into thin sheets (ex. aluminum)
4. nucleus made of protons and neutrons (99.9% of atom mass). surrounding the nucleus is a cloud of moving electrons
5. ability of a material to twist or bend without breaking (ex. playdoh)
6. atoms (incredibly strong)
7. are solid substances, they consist of atoms packed in regular crystal structure, found in nature

6 Multiple Choice Questions

1. atoms packed closely together, low energy, vibrates only
   1. Solid
   2. Liquid
   3. Gas
   4. Matter
2. 1. melting
   2. freezing
   3. vaporization
   4. condensation
   5. sublimation
   6. deposition
   1. Relative distance between electron cloud and nucleus
   2. If you take a sugar cube sized sample of air, there are aprox. 45 billion billion atoms
   3. What is all matter made up of?
   4. 1. solid to liquid
      2. liquid to solid
      3. liquid to gas
      4. gas to liquid
      5. gas to solid
      6. solid to gas
3. solid, liquid, gas, plasma
   1. Matter
   2. States of matter
   3. Materials
   4. Strength
4. the ability of a material to withstand a great amount of force without breaking (ex. steel)
   1. Density
   2. Solid
   3. Hardness
   4. Strength
5. atoms are completely dispersed
   1. Luster
   2. Gas
   3. Solid
   4. Matter
6. atoms dispersed but still connected in chains, higher energy
   1. Solid
   2. Matter
   3. Liquid
   4. Luster

6 True/False Questions

1. Relative distance between electron cloud and nucleus → a football stadium with the foot ball in the center of the field

   True        False

2. Materials → Materials are manmade substances, using natural recourses, almost everything around us can be described as materials

   True        False

3. Matter → something that occupies space and has mass

   True        False

4. Density → ability of a material to twist or bend without breaking (ex. playdoh)

   True        False

5. Conductivity → ability of a material to transfer heat or electric currents (ex. copper for wire)

   True        False

6. Luster → something that occupies space and has mass

   True        False