Mastery Check: Lessons 2.1 - 2.4

Front

What is the steady stream of plasma that travels through the solar system from the Sun called?

Back

Solar wind.

Front

What is the correct order of events in the history of the universe?

Back

A, C, D, B.

Front

What is the primary focus of the Big Bang theory?

Back

The origin of the universe.

Front

In the galactic epoch, what did clusters of atoms eventually become?

Back

Galaxies.

Front

What role does the Sun play in the solar system?

Back

It provides light and heat, influencing the orbits of the planets.

Front

What are sunspots?

Back

Dark spots on the Sun's surface caused by magnetic activity.

Front

What are solar flares?

Back

Sudden eruptions of energy on the Sun's surface.

Front

What is a black hole?

Back

A region in space where the gravitational pull is so strong that nothing, not even light, can escape.

Front

What is a galaxy?

Back

A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.