Video: What Exactly are Minerals? Pre-test Name _________________________ Hr___ Directions: Select best answer to the following questions before viewing the program. Don't worry; you may not know all of the answers. The answers will be reviewed following the program. True (T) or False (F) _____1. Minerals are living. _____2. Valuable minerals are distributed evenly around the world. _____3. Minerals are often aggregated, or collected together, with other minerals in a rock. _____4. Once minerals are together in a rock, they form new minerals. _____5. Color and luster are two physical properties used to identify a mineral. _____6. Minerals can break apart, or cleave, in a specific way. _____7. Elements are not Earth's basic building blocks. _____8. Minerals are made of elements. _____9. Most minerals grow in water or magma. _____10. Minerals grow in unpredictable patterns. Answers: __F__1. Minerals are living. Minerals are naturally formed, non-living, solid, chemical substances. __F__2. Valuable minerals are distributed evenly around the world. Billions of years ago when some of the magma that made up Earth cooled and hardened, the minerals were not mixed evenly. __T__3. Minerals are often aggregated, or collected together, with other minerals in a rock. __F__4. Once minerals are together in rock, they form new minerals. They remain separate minerals __T__5. Color and luster are two physical properties used to identify a mineral. __T__6. Minerals can break apart, or cleave, in a specific way. __F__7. Elements are not Earth's basic building blocks. Elements are Earth's basic building blocks. __T__8. Minerals are made of elements. __T__9. Most minerals grow in water or magma. __F__10. Minerals grow in unpredictable patterns. Minerals grow in a repeated, orderly fashion Video: What Exactly are Minerals? Post-test Name _________________________ Hr___ Directions: Now that you have learned so much from viewing What Exactly are Minerals?, it is now time to test what you have learned. Answer each question by circling the correct response by circling either true or false. Do your best! True (T) or False (F) _____1. Minerals are evenly distributed around the world. _____2. Rocks may be made of two or more minerals. _____3. Physical properties of minerals include color, hardness, and cleavage. _____4. Most minerals are made of two or more elements. _____5. Minerals grow in an orderly, repeating fashion. © Answers: __F__1. Minerals are evenly distributed around the world. They are not evenly distributed world-wide. __T__2. Rocks may be made of two or more minerals. __T__3. Physical properties of minerals include color, hardness, and cleavage. __T__4. Most minerals are made of two or more elements. __T__5. Minerals grow in an orderly, repeating fashion.