Question 1

You find a rock that has ribbon-like layers and shiny crystals. Based on its appearance, what type is it most likely to be?

Accepted Answer

C. Metamorphic

Answer

D. Volcanic ash

Answer

B. Sedimentary

Answer

<P>A. Igneous</P>

Question 2

Design a field investigation to classify rock samples from a nearby river. Which of the following should be your first step?

Accepted Answer

D. Observe texture, layering, and presence of crystals or fossils.

Answer

A. Record rock colors and shapes.

Answer

B. Identify and test mineral content.

Answer

C. Compare samples to a rock classification chart.

Question 3

What type of rock is formed from the cooling and solidification of magma or lava?

Accepted Answer

Igneous

Answer

Fossilized

Answer

Metamorphic

Answer

Sedimentary

Question 4

Which type of rock is characterized by layers formed from the accumulation of sediments?

Accepted Answer

Sedimentary

Answer

Igneous

Answer

Volcanic

Answer

Metamorphic

Question 5

What type of rock is formed under high temperature and pressure, typically from existing rocks?

Accepted Answer

Metamorphic

Answer

Igneous

Answer

Sedimentary

Answer

Crystalline

Question 6

Which of the following is an example of an igneous rock?

Accepted Answer

Granite

Answer

Limestone

Answer

Marble

Answer

Shale

Question 7

What process leads to the formation of sedimentary rocks from igneous rocks?

Accepted Answer

Weathering and erosion

Answer

Crystallization

Answer

Metamorphism

Answer

Melting and solidification

Question 8

Which of the following rocks undergoes metamorphism when exposed to extreme heat and pressure?

Accepted Answer

Slate

Answer

Sandstone

Answer

Granite

Answer

Basalt

Question 9

What is the main difference between intrusive and extrusive igneous rocks?

Accepted Answer

Intrusive rocks cool slowly underground, while extrusive rocks cool quickly on the surface.

Answer

Intrusive rocks are formed from sediments, while extrusive are not.

Answer

Extrusive rocks contain more minerals than intrusive rocks.

Answer

Both cool at the same rate but in different locations.

Question 10

Which sedimentary rock is primarily composed of organic materials, such as decomposed plants?

Accepted Answer

Coal

Answer

Conglomerate

Answer

Shale

Answer

Sandstone

Question 11

Which of the following is a common characteristic of metamorphic rocks?

Accepted Answer

Foliation

Answer

Bedding layers

Answer

Porosity

Answer

Grain size consistency

Question 12

What type of rock is formed from the lithification of sediments?

Accepted Answer

Sedimentary

Answer

Crystalline

Answer

Metamorphic

Answer

Igneous

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