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Sixth Grade (Grade 6) Minerals Questions

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Grade 6 Minerals
According to the Mohs' scale, which of the statements below is true?
  1. Only talc will scratch quartz.
  2. Topaz and diamond will scratch quartz.
  3. Amethyst will scratch diamond.
  4. Calcite is a harder mineral than corundum.
Grade 6 Minerals
What is the hardest mineral on Moh's Scale?
  1. Quartz
  2. Gypsum
  3. Diamond
  4. Pyrite
Grade 6 Minerals
Which statement about the relationship between rocks and minerals is true?
  1. rocks are made of minerals
  2. minerals are made of rocks
  3. rocks and minerals are two terms for the same thing
  4. minerals and rocks are both classified by how they formed
Grade 6 Minerals
A gemstone is made in a laboratory. Which reason best explains why it is not considered a mineral?
  1. it is organic
  2. it is not a crystal
  3. it did not form by natural processes
  4. it does not have a set chemical composition
Grade 6 Minerals
Which of the following properties describes a soil's ability to supply nutrients?
  1. soil structure
  2. infiltration
  3. soil fertility
  4. consistency
Grade 6 Minerals
Crystals are solid materials with
  1. several different grain sizes
  2. distinct layers or bands
  3. atoms in an orderly, repeating pattern
  4. glass-like, shiny surfaces
Grade 6 Minerals
Which special property does calcite have?
  1. magnetism
  2. double refraction
  3. reaction to acid
  4. salty taste
Grade 6 Minerals
Grade 6 Minerals
Minerals are made up of                    
  1. Tiny rock particles
  2. Crystals
  3. Copper
  4. Gemstones
Grade 6 Minerals
Grade 6 Minerals
Quartz, feldspar, and Mica are silicate minerals. Silicate minerals contain atoms of silicon and oxygen and often other elements bonded together. What must be true of silicate minerals?
  1. They are pure elements.
  2. They are made up of compounds.
  3. They melt at very low temperatures.
  4. They are made up of only one kind of atom.
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