Re-post - Science - from Spitfireredhead

Posted by SpitFireRedHead on Wednesday, April 27, 2016 at 8:23am.

Please check this. Thanks!

1. Which of the following shows fossils as evidence of continental drift?
a. Limestone layers in the Appalachian Mountains of North America were exactly the same as the limestone in Scotland’s highlands.
b. Mesosaursus, an ancient reptile, had been discovered in South America and Africa.***
c. Glacial deposits and rock surfaces scoured and polished by glaciers are found in South America, India, Africa, and Australia.
d. One type of rock found in Brazil matched a rock found in western Africa.

2.According to Wegener’s hypothesis of continental drift,
a. Earth’s surface is made up of seven major landmasses.
b. The continents do not move.
c. Earth is slowly cooling and shrinking.
d. The continents were once joined together in a single landmass.

3.How are igneous rocks formed?
a. Compaction and cementation of sediments.
b. Cooling and solidification of magma.***
c. Weathering of rocks.
d. Application of pressure and heat to sedimentary rocks.

4.Sandstone is a sedimentary rock. Which of the following characteristics would you look for in a piece of sandstone?
a. Rock has sparkly or alternating color layers that are bent or folded.
b. Rock has layers and smaller pieces of rock in it. It also has fossil in it.***
c. Rock h!@#$%^&s in it, and it has a glassy appearance.
d. Rock contains mineral crystals that have grown together.

5.In which way does quartz break?
a. Cleavage
b. Fracture
c. Luster
d. Flat planes

6. Which type of rock forms because of high heat and pressure?
a. Igneous rock
b. Sedimentary rock
c. Metamorphic rock***
d. Sediment

7.Which of the following forms when rocks are weathered and eroded?
a. Igneous rock
b. Sedimentary rock
c. Metamorphic rock
d. Sediment***

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