Grade 11 - Earth Science First Monthly Exam

The most commonly accepted scientific theory of how the universe formed.

• The Big Bang Show

• The Big Bang Theory

• The Electromagnetic Theory

• The Steady State Theory

A shift of light wavelengths towards the blue end of the electromagnetic spectrum that takes place when a light source is moving towards an observer (Earth).

• Rainbow

• Blue Shift

• Visible Light

Weak radiation in space that is left over from the first stages of the Big Bang that theoretically created the universe.

• Cosmic Background Radiation

• Static

• Singularity

Edwin Hubble discovered that the universe is expanding from his observation of __________

• Photons

• Red Shifts

• Conservation of Momentum

• Gravitational Pul

States that the universe expands but did not change its density

• Multiverse Theory

• Steady State Theory

• Atomic Universe

• Primordial Universe

The red-shift in the spectral lines of light, reaching us from other galaxies implies that these galaxies ____________.

• Are moving closer to one another

• Are moving farther apart from one another

• Redshift does not exist

• Are in rapid rotation

A star is born when:

• nuclear fusion starts

• a nebula becomes a protostar

• gases in a nebula condense

• hydrogen is used up in fusion processes

What fuel do stars use? 

• Oxygen
• Hydrogen
• Carbon
• Iron

What were the original two elements in our universe?

• Hydrogen and Lithium

• Helium and Oxygen

• Helium and Hydrogen

• Hydrogen and Oxygen

modification of the Big Bang theory, in which an expanding universe eventually reverses and collapses back to a Big Crunch before starting to expand again, forming one cycle of an endless series.

• Oscillating theory

• Steady State theory

• Bing Bang theory

• Big Crunch thoery