Geoscience 3.1 -3.3 Semester Review

Front

What is a Star?

Back

A hot sphere of plasma that produces its own energy.

Front

What is a Planet?

Back

A large spherical object that orbits a star.

Front

Can we see Dark Matter?

Back

False.

Front

How has the temperature of the universe changed over the past 14 billion years?

Back

It has gotten cooler.

Front

What existed one second after the Big Bang?

Back

Elementary Particles.

Front

What is a Galaxy?

Back

A cluster of stars, dust, gas, and matter.

Front

What is the Big Bang Theory?

Back

A scientific explanation for the origin of the universe, stating it began from a singularity and expanded.

Front

What is Dark Energy?

Back

A mysterious force that is causing the acceleration of the universe's expansion.

Front

What are Nebulae?

Back

Clouds of gas and dust in space, often the birthplace of stars.

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.