SIS Semester Final Review

Front

Main sequence stars are mostly made of:

Back

Hydrogen and Helium are the primary elements that make up main sequence stars.

Front

What is the name of the scientific theory that explains how the universe was created?

Back

The Big Bang Theory explains the origin of the universe.

Front

The very dense remains of a high mass star, made entirely of neutrons.

Back

A Neutron Star is formed from the remnants of a high mass star after a supernova.

Front

Galaxies are moving away from us.

Back

True, this observation supports the theory of an expanding universe.

Front

Neither the cold air mass nor the warm air mass are moving, causing rain for several days.

Back

This phenomenon is known as a Stationary Front.

Front

What is a Black Hole?

Back

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

Front

What is the Theory of Plate Tectonics?

Back

The Theory of Plate Tectonics explains the movement of the Earth's lithosphere which is divided into tectonic plates.

Front

What is a Galaxy?

Back

A Galaxy is a massive system that consists of stars, stellar remnants, interstellar gas, dust, and dark matter.

Front

What is a Warm Front?

Back

A Warm Front is the boundary where a warm air mass replaces a cold air mass.

Front

What is a Cold Front?

Back

A Cold Front is the boundary where a cold air mass replaces a warm air mass.