Which of the following occurs when a neutron strikes a radioactive parent atom?

fusion

fission

enrichment

atomic splicing

Fission occurs when a neutron strikes a radioactive parent atom, causing it to split into smaller daughter atoms and in the process releasing

protons

anions

energy

electrons

A facet is a on a gem.

polished surface

cleavage plane

small impurity

crystal face

The groundwater quality of an aquifer is tested and found to have high amounts of arsenic. It is likely that the arsenic

comes from the dissolved minerals in the aquifer rock

comes from the reaction of the water with the testing supplies

is being poured into the groundwater to poison the town

is not actually there; it does not show up in groundwater

Where would you expect to find geysers?

Iceland

England

Antarctica

Greenland

Important volatiles in magmas include .

mafic minerals, such as olivine

potassium and aluminum

water and carbon dioxide

silicon and iron

Granite, a course-grained, felsic intrusive igneous rock is most similar in mineral composition to __ , which is a fine-grained, felsic extrusive equivalent.

andesite

basalt

gabbro

rhyolite

Which of the following is most typical of what you would find in a lahar?

rock fragments

ash and gas

water and mud

lava

Fission occurs when a heavy nucleus spontaneously disintengrates into lighter ones. When neutron strikes a parent atom, it becomes unstable and in the process disintegrates.

2......Fission occurs when a neutron strikes a radioactive parent atom, causing it to split into smaller daughter atoms and in the process releasing

energy

Fission is accompanied by the release of energy after daughter atoms are formed. These energy are tapped for use in nuclear power plants.

3......A facet is a __________ on a gem.

Polished surface

A facet is a smooth polished surface of gem that has been well cut.

4........The groundwater quality of an aquifer is tested and found to have high amounts of arsenic. It is likely that the arsenic

comes from the dissolved minerals in the aquifer rock

For arsenic to be found in ground water, the geology of the area must have had a telling effect on the water body.

5............Where would you expect to find geysers?

Iceland

In Iceland, the mid-atlantic ridge cuts the continent and it can be visibly seen on the surface.

A geyser is a hot spring that in which columns of hot water sprout out intermittently.

Magma bodies are closer to the surface in Iceland where they can come in close contact with the ground water system thereby sending super heated water in form of steam and vapor outwards. This is the geyser seen on land.

6.........Important volatiles in magmas include __________ .

water and carbon dioxide

Water and carbon dioxide are the most important volatiles which are found in magmatic bodies.

7.....Granite, a course-grained, felsic intrusive igneous rock is most similar in mineral composition to __________ , which is a fine-grained, felsic extrusive equivalent.

rhyolite

Ryholite is the extrusive equivalence of granite. Both rock types are felsic and are rich in silica and feldspar. Their silica composition above 60%.

8.........Which of the following is most typical of what you would find in a lahar?

water and mud

Lahars are examples of volcanic mudflow in which water and volcanic mud flows down slope.