Unit 1 Exam ESS Part A

What does the Big Bang Theory tell you?

• How stars are formed
• How the universe began
• How galaxies are formed
• How planets are formed

Ultimately what will determine the path a star takes in its life cycle?

• Its mass
• Its temperature
• Its distance from Earth
• Its color

What is red shift when talking about stars/the universe?

• When the galaxy moves towards the observer
• When the galaxy moves away from the observer
• The shift of light towards the red end of the spectrum
• The shift of light towards the blue end of the spectrum

What are some effects of solar flares on Earth?

• GPS Outages
• Auroras
• Radio outages
• All of the above

This type of graph is used to show how some fixed quantity is broken into parts.

• Line graph
• Bar graph
• Pie chart
• Scatter plot

The name of the law that explains the farther the galaxy is the faster it is moving away. This also provides supporting evidence for the Big Bang Theory.

• Newton's Law of Motion
• Einstein's Theory of Relativity
• Hubble's Law
• Kepler's Laws of Planetary Motion

How does the sun get its energy?

• Nuclear fusion
• Nuclear fission
• Chemical reactions
• Gravity

How do you know something has redshifted?

• It appears more red
• It appears less red
• Its wavelength increases
• Its wavelength decreases

When a main sequence star starts to run out of hydrogen to fuse and starts to fuse other elements. It becomes bigger and redder.

• Main Sequence Star
• Red Giant
• Planetary Nebula
• White Dwarf

Compared to red shift, blue shift has ____________ wavelengths.

• Shorter
• Longer
• No change in
• Variable