Earth & Space Midterm Review Part 1

Front

What should a scientist do when their experiment is questioned by others?

Back

Ask other scientists to follow his procedure and then present their evidence along with his own.

Front

What processes are responsible for the changes in the Grand Canyon's appearance?

Back

Erosion from water and wind.

Front

What is the effect of a large volcanic eruption on the carbon cycle?

Back

Increased atmospheric carbon dioxide levels due to lower global photosynthesis rates.

Front

What layer of Earth's geosphere is the crust?

Back

The outermost layer of the Earth.

Front

How did early life forms adapt to the increase of oxygen in the atmosphere?

Back

Over time, many organisms gradually adapted to a more oxygen-rich environment, allowing them to survive in shallow water and on land.

Front

What is erosion?

Back

The process by which natural forces move weathered rock and soil from one place to another.

Front

Define tectonic plate motion.

Back

The movement of the Earth's plates that can cause earthquakes, volcanic activity, and the formation of mountains.

Front

What is the role of photosynthesis in the carbon cycle?

Back

Photosynthesis removes carbon dioxide from the atmosphere and converts it into organic matter.

Front

What is the significance of the inner core of the Earth?

Back

The inner core is solid and composed mainly of iron and nickel, contributing to Earth's magnetic field.

Front

What is the upper mantle?

Back

The layer of the Earth between the crust and the lower mantle, composed of semi-solid rock that flows slowly.