Unit1: The Origin of the Universe and the Solar System

What is the big bang theory?

• A theory that states that the universe started in a large mass and then imploded to form everything.

• A theory that states that the universe was there, will be and is there. Is homogeneous and isotropic.

• A theory that states that the universe is slowly coming back to a center.

• A theory that states that the universe started in a small mass and then expanded, the expansion cooled down the temperature and that resulted in the formation of matter, energy, space and time.

What were the original two elements in our universe?

• Hydrogen and Lithium

• Helium and Oxygen

• Helium and Hydrogen

• None of the above

The age of the universe is probably close to___________________

• 14 million years

• 4 ½ billion years

• 15 billion years

• 30 billion years

The term big bang refers to _______________.

• The origin of the universe

• The ultimate fate of the universe

• A supernova explosion

• The formation of a quasar

What branch of science deals with the study of the origin and structure of the universe?

• astrology

• cosmology

• geology

• meteorology

Which is NOT a premise of the Steady State Theory?

• Matter dilutes as the universe expands.

• Matter is constantly created as the universe expands.

• The universe expands but it does not change its appearance.

• The early universe had no matter and energy.

The soalr system is believed to have come from a swirling dense hot cloud of dust and gas. What do you call this huge ball of dust and gas?

• cosmos

• nebula

• planetesimal

• sun

Which is the most accepted theory that explains the beginning of the solar system?

• Big Bang Theory

• Nebular Theory

• Planetesimal Theory

• Tidal Theory

It is a situation that scientists predict will happen which explains how the universe will end.

• The Big Bang

• The Big Bounce

• The BIg Crunch

• The Blackhole

What is the big bang theory?

• A theory that states that the universe started in a large mass and then imploded to form everything.

• A theory that states that the universe was there, will be and is there. Is homogeneous and isotropic.

• A theory that states that the universe is slowly coming back to a center.

• A theory that states that the universe started in a small mass and then expanded, the expansion cooled down the temperature and that resulted in the formation of matter, energy, space and time.