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minerals-rocks
Science
Question | Answer |
---|---|
What is a geologist? | A scientist who studies the earth,rocks and minerals. |
Some physical properties are..... | color, luster, streak, hardness, cleavage,crystal pattern. |
Why do geologist use physical property's? | Help identify rocks and minerals. |
What describes how a mineral feels? | texture |
What is the solid form that can be identified by it unique shape? | crystal |
the shine a mineral has is? | luster |
What is the color of the powdered material after it has been scratched? | streak |
How easily a mineral is scratched is? | hardness |
Greenish-blue is an example of what property? | color |
Smooth surface is an example of what property? | texture |
10 grams is of what physical property? | mass |
Scratched by a fingernail is an example of what property? | hardness |
Cubes with a x pattern is an example of what physical property? | crystal shape |
What are some rocks? | limestone, granite, sandstone |
Some minerals are... | quartz, calcite, diamond,mica, feldspar,talc, hematite |
Diamond, talc, mica, and hematite are used in what way? | Diamond-saw blades Talc- powders,lotion mica- electronic parts hematite-steel |
How is granite and sandstone used? | Granite-counter tops Sandstone-bricks |
What are 3 ways to find out more about a rock? | Scratch it on a tile, rub it against another rock, scratch it with your finger nail. |
A mock rock is like a real rock because... | they both are a mixture of materials |
To compare the hardness of 2 diff. materials you can... | rub them together. the 1 with a scratch is softer.If you scratch it with a tool such as a paperclip if the mineral is softer it will get a scratch. |
how can you tell if a rock has calcite? | putt it in vinegar. If the vinegar bubbles it has calcite. |