6. 341 yrs
7. potent carcinogen; serious health hazard; inhaling fibers in the air is cause of asbestosis (thickening and scarring of lung tissue) and it is cause of mesothelioma (lethal tumor of the [[ce6/sci/A0839369.html|pleura]]); causes lung, intestines, liver cancer
8. the Mohs scale
9. lowest: talc; highest: diamond
10. wind and water erode little pieces of earth and rock away; they settle down to the bottom of bodies of water, layer by layer; they get pressed down and compacted over time until eventually they become rock
sandstone, limestone
11. underground - melted rock (magma) gets trapped in pockets in the earth deep in the earth and slowly cools into rock; aboveground - volcanoes erupt, bringing magma up above the surface (lava) which cools to form igneous rock
to subject to fire or heat; to set ablaze
12. pumice
one rock would have more density than the water, causing it to sink; the other rock would have less density than the water, causing it to float; the rocks would have different amounts of mass in their volume, the one that sank more than the water, the one that floated less than the water; air pockets could also cause the rock to float
13. luster, color, streak, hardness, cleavage, fracture, magnetism
in a streak test, a mineral is striked or rubbed against a porcelin plate, the color left behind is compared to that of the known minearals
in a hardness test, a mineral is compared to others on the Mohs scale, different items like pennies, knives, fingernails, and even other minerals are used to try and stratch the sample, the results are compared to the chart to determine where the mineral's value lies
14. ulexite refracts an image, making it appear ontop of the mineral, not through it
15. the rock is exposed to extreme heat and/or pressure (deep buried, tectonic plate activity); the minerals within the rock can change into new minerals, cause the crystals to reform, materials can transfer within flluids, or minerals can be reorganized within the rock; the rock, however, does not melt
16. a) sedimentary rocks are laid down in a horizontal manner
b) younger rock units were deposited on top of older rock units
c) the younger quizzes, those that were finished and completed at a later time, were finished ontop of the older quizzes, those that were finished before and already were sitting in the pile for some time
17. magma
18. A - Quartz; B - Diamond; C - Topaz; D - Gypsum; E - Flourite
19. keeps teeth and bone healthy and strong; fights against tooth decay; helps prevent break down of minerals in bones and helps hold on to mineral
20. avocados, cherries, grapes, almonds, peanuts, hazelnuts,scallops, mussels, clams, parsnips, beets, rutabaga (swedes) and others all have boron in them; plants get it from soil and water, people eat it
21. yes
7. potent carcinogen; serious health hazard; inhaling fibers in the air is cause of asbestosis (thickening and scarring of lung tissue) and it is cause of mesothelioma (lethal tumor of the [[ce6/sci/A0839369.html|pleura]]); causes lung, intestines, liver cancer
8. the Mohs scale
9. lowest: talc; highest: diamond
10. wind and water erode little pieces of earth and rock away; they settle down to the bottom of bodies of water, layer by layer; they get pressed down and compacted over time until eventually they become rock
sandstone, limestone
11. underground - melted rock (magma) gets trapped in pockets in the earth deep in the earth and slowly cools into rock; aboveground - volcanoes erupt, bringing magma up above the surface (lava) which cools to form igneous rock
to subject to fire or heat; to set ablaze
12. pumice
one rock would have more density than the water, causing it to sink; the other rock would have less density than the water, causing it to float; the rocks would have different amounts of mass in their volume, the one that sank more than the water, the one that floated less than the water; air pockets could also cause the rock to float
13. luster, color, streak, hardness, cleavage, fracture, magnetism
in a streak test, a mineral is striked or rubbed against a porcelin plate, the color left behind is compared to that of the known minearals
in a hardness test, a mineral is compared to others on the Mohs scale, different items like pennies, knives, fingernails, and even other minerals are used to try and stratch the sample, the results are compared to the chart to determine where the mineral's value lies
14. ulexite refracts an image, making it appear ontop of the mineral, not through it
15. the rock is exposed to extreme heat and/or pressure (deep buried, tectonic plate activity); the minerals within the rock can change into new minerals, cause the crystals to reform, materials can transfer within flluids, or minerals can be reorganized within the rock; the rock, however, does not melt
16. a) sedimentary rocks are laid down in a horizontal manner
b) younger rock units were deposited on top of older rock units
c) the younger quizzes, those that were finished and completed at a later time, were finished ontop of the older quizzes, those that were finished before and already were sitting in the pile for some time
17. magma
18. A - Quartz; B - Diamond; C - Topaz; D - Gypsum; E - Flourite
19. keeps teeth and bone healthy and strong; fights against tooth decay; helps prevent break down of minerals in bones and helps hold on to mineral
20. avocados, cherries, grapes, almonds, peanuts, hazelnuts,scallops, mussels, clams, parsnips, beets, rutabaga (swedes) and others all have boron in them; plants get it from soil and water, people eat it
21. yes