Composition 16

Question 1

FOSSIL FUELS

Answer 1

coal, oil, and natural gas

have been formed from the organic remains of prehistoric plants and animals

Question 2

VOLCANO ERUPTION

Answer 2

1.magma rises through cracks or weaknesses in the Earth’s crust
2.pressure builds up inside the Earth
3.when pressure is released(result of plate movement) magma explodes to the surface causing volcanic eruption
4 lava for the eruption cools to form new crust

Question 3

IGNEOUS ROCK FORMATION

Answer 3

formed when molten rock called magma rises up from the Earth’s mantle deep underground

Question 4

SEDIMENTARY ROCK FORMATION

Answer 4

when rocky fragments and sediments are deposited together by wind, water or ice

Question 5

METAMORPHIC ROCK

Answer 5

extreme heat or pressure underground can bake, squeeze, or fold rocks into something new

Question 6

EROSION

Answer 6

the process by which soil particles are displaced

Question 7

CARBON

Answer 7

naturally abundant, nonmetallic element that occurs in all organic compounds and can be found in all known forms of life

Question 8

DECOMPOSERS

Answer 8

break down carbon compounds in dead animals and plants and convert the carbon to carbon dioxide