Rock and fossil review

According to uniformitarianism, how does geologic change happen?

• every few years
• suddenly
• gradually
• after an earthquake

Which of the following would be an example of uniformitarianism?

• erosion
• huge volcanic eruption
• floods
• massive asteroid hitting earth

Which of the following events would be a catastrophe?

• an average rainfall
• an asteroid hitting Earth
• gradual erosion
• deposition

What kids of scientist studies the history of fossils?

• a palentologist
• a botonist
• a geologist
• a chemist

How are rock layers arranged in the geologic column?

• youngest rocks in the middle
• youngest rocks on the bottom
• oldest rocks are on the bottom
• oldest rocks are on the top

How does a geologist know that rock layers are undisturbed?

• rock layers are folded
• rock layers are horizontal
• rock layers are tilted
• rock layers are faulted

If a rock was buried deep inside Earth, which geological processes CANNOT change that rock?

• heat and pressure
• weathering and erosion
• volcanic activity
• convection

The diagram below shows some of the layers of rock found in the Grand Canyon. Scientists find these layers of rock useful for studying fossils. What type of rock is shown in the labeled layers?

• igneous
• extrusive
• sedimentary
• metamorphic

The process in which sediment is removed from its source and transported is called __________.

• deposition
• weathering
• erosion
• composition

Tessa found several different types of rocks in a river. Which of the following is MOST likely to be in ALL of the rocks?

• soil
• sand
• minerals
• crystals