5.4 GOW Hubble's Law / Constant

1. What is the topic of the graph?

• The graph shows galaxies at distances away from Earth and their speed.
• The graph shows galaxies at different colors and wavelengths.
• The graph shows galaxies moving at all speeds.
• The graph shows galaxies that are closest to Earth.

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-4

2. What is the topic of the X-axis?

• Distance in megaparsecs
• Velocity in kilometers per second
• Velocity in miles per hour
• Distance in lightyears

3. What is the topic of the Y-axis?

• Distance in megaparsecs
• Velocity in kilometers per second
• Velocity in miles per hour
• Distance in lightyears

4. What is the purpose of the blue line on the graph?

• it shows the overall trend of the data
• it adds color to the graph
• it shows the overall randomness of the data
• it has no purpose

Tags

NGSS.HS-PS2-1

5. An object with a velocity of 2700 km/s has a distance about ______ away from Earth.

• 45 Mpc
• 40 Mpc
• 35 Mpc

• 10 Mpc

Tags

NGSS.HS-PS2-1

6. If an object is 25 Mpc away, what would the object's velocity be?

• 1750 km/s
• 24 km/s
• 250 km/s
• 2750 km/s

7. If astronomers found a galaxy that was 20Mpc away and travelling at 500 km/s, would that information fit the pattern on the graph?

• Yes
• No

8. As an object's distance decreases, the velocity of the object

• increases
• decreases
• stays the same

9. If an astronomer found a galaxy moving at a speed of 4000 km/s, a valid prediction of the galaxies distance is

• 30 Mpc
• 50 Mpc
• 65 Mpc
• 80 Mpc

Tags

NGSS.HS-ESS1-2

10. The galaxies in this graph are all demonstrating

• redshift, showing expansion of the universe.
• redshift, showing the collapse of the universe.
• blueshift, showing expansion of the universe.
• blueshift, showing collapse of the universe.
• no shift.

Tags

NGSS.HS-ESS1-2