Earth Science Semester Test FA24

Front

What is solar wind?

Back

A stream of charged particles released from the upper atmosphere of the Sun, influencing space weather and planetary atmospheres.

Front

What is light pressure?

Back

The pressure exerted by light radiation on surfaces, which can affect the motion of objects in space.

Front

What is the significance of Kepler's laws of planetary motion?

Back

They describe the motion of planets around the sun, including the elliptical shape of orbits.

Front

What is dark matter?

Back

A form of matter that does not emit light or energy, detectable through its gravitational effects on visible matter.

Front

What is an anticline?

Back

A type of fold in rock layers that arches upward, with the oldest layers at the core.

Front

What is a barred spiral galaxy?

Back

A type of spiral galaxy with a central bar-shaped structure composed of stars.

Front

What is the difference between inner and outer planets?

Back

Inner planets are rocky and terrestrial, while outer planets are gas giants with thick atmospheres.

Front

What are sunspots?

Back

Dark spots on the Sun's surface caused by magnetic activity, appearing in cycles.

Front

What is the Big Chill theory?

Back

A cosmological model predicting the universe will continue to expand, leading to a cold, dark, and dilute state.

Front

What is a syncline?

Back

A type of fold in rock layers that dips downward, with the youngest layers at the core.