List the three rock types formed on Earth.
How does a rock change into a metamorphic rock?
How do igneous rocks form?
After a mine closes, laws require that reclamation efforts be made to return the environment to a more natural state.
Why is this important in terms of erosion? What might be the result if the land is not reclaimed?
Is this statement true or false?
Mining companies must restore the land that they use, especially in open pit mining. Mining companies may also have to clean up the water and replace the solid that is being moved.
Inappropriate land use, such as removing vegetation from hillsides, may contribute to which of the following?
Give one example for water causing erosion and one example of water causing weathering.
Air, water, and ice can break rocks into tiny fragments. Which of the following best describes this process?
What is the difference between mechanical weathering and chemical weathering?
Acid rain discoloring and disfiguring limestone is an example of . The cracking of rock caused by the freezing and thawing of water is an example of .
Which process changes a metamorphic rock to a sedimentary rock?
Is this statement true or false?
Uniformitarianism is the concept that the processes that are at work on earth today are the same processes that shaped the early history of earth.
Is this statement true or false?
The fossil record provides evidence of past life as well as clues to the past climate, environment, and abiotic (physical) factors in an area.
Which of the following is the primary technique for determining the absolute age of a rock?
Which of the following could be used to interpret the geologic history of a location?
A scientist is interested in comparing the age of a rock with other rocks. By doing this, the scientist is determining __________.
A year is divided into months, weeks, and days. What are some time divisions (units) that are used for the geologic time scale? Give at least 2 examples.
The diagram below represents a cross section of the Earth's crust showing rock units and a fault. The rock layers are not overturned.
Which rock unit is the youngest?