Rock Test For 3rd Grade
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Choose the best answer.
- 1.
- A.
Sedimentary
- B.
Metamorphic
- C.
Igneous
- D.
Volcanic
- 2.What is the hardest rock?
- 3.
- A.
Igneous
- B.
Sedimentary
- C.
Metamorphic
- D.
Diamond
- 4.These kind of rocks were melted then cooled and hardened. Some cooled quickly and others more slowly.
- A.
Sedimentary
- B.
Igneous
- C.
Metamorphic
- 5.A rock is naturally formed from ______________________.
- A.
Sediments
- B.
One or more minerals.
- C.
Diamonds
- D.
Crystals
- E.
Pressure and temperature changes.
- 6.How do you identify rocks.
- A.
Color
- B.
Shape
- C.
Mohs Scale
- D.
All of the above
- E.
Only A and C.
- 7.The Mohs Scale identifies the rock by testing the ___________.
- A.
Shape
- B.
Color
- C.
Hardness
- D.
Softness
- 8.What is a trace or remains of a living thing that died long ago?
- A.
A grave
- B.
A diamond
- C.
A fossil
- D.
A mineral
- 9.Fossils are found in what type of rock?Metamorphic or Igneous or Sedimentary
- 10.Choose the answer that is NOT the reason why plant fossils are not as common as animal fossils.
- A.
Soft parts of plants are easily destroyed as the rock forms.
- B.
Animals have bones, plants have soft parts.
- C.
Plants have hard parts.
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