Physics & Space Science - Introductory Astronomy: Pace 1 Quiz

1

Which of the following conditions lead you to see an absorption line spectrum from a cloud of gas in interstellar space?

2

What causes the apparent retrograde motion of the planets?

3

Which of the following typically orbit within the disk of our galaxy?

4

The coefficient of linear expansion of lead is 29 × 10-6 K-1. What change in temperature will cause a 10-m long lead bar to change in length by 3.0 mm?

5

While we can't completely rule out a connection between the sunspot cycle and weather cycles on Earth, most scientists doubt there is a significant effect because

6

Each of the following lists two statements. Which two are the basic premises for the special theory of relativity?

7

No matter where you live on Earth, the Sun is always directly overhead at noon

8

Which of the following is a consequence of Hubble's Law?

9

How do the size and mass of Jupiter's core compare to the size and mass of Earth?

10

Ninety percent of all stars fuse helium to form carbon and lie on the main sequence

11

Determine the number of significant figures in 24.0 seconds

12

Substitute the correct prefix to the fun-word "10-cards"

13

Once oxygen started to be manufactured by cyanobacteria, why did it take so long to build up to significant levels?

14

One observation supporting the idea of a spherical Earth is that ________.

15

When we see a binary system producing eclipses, we know that the orbit is nearly edge-on

16

Four of the five answers listed below are aspects of the scientific method. Select the exception

17

Which of the following is the phase of matter in the Sun?

18

According to the HST data, very distant (and early) galaxies tend to be

19

Mercury has a weak magnetic field because of its iron core

20

Study this H-R diagram. Which of the following stars has (or had) the longest hydrogen fusing lifetime? (The red arrows help you locate these stars on the diagram.)

21

Saturn's belts and zones are obscured by haze high in its atmosphere

22

What principle was Copernicus unable to provide evidence against?

23

In Hubble's "tuning fork," spirals are on the parallel branches

24

During aerobic respiration, glucose becomes _______________ (as it gives up electrons) and coenzymes become _______________ (as they accept electrons)

25

Almost all of the complex molecules found in space are based on ________ atoms

26

Earth is an example of a Jovian planet

27

What kinds of objects lie in the disk of our galaxy?

28

Roughly how far across is the Milky Way?

29

If the Sun instantaneously shrunk dramatically in size but retained the same mass, what would happen to the Earth?

30

How do we know the expansion of the universe is accelerating?

31

Angular distance from the horizon to the south celestial pole always equals your latitude

32

All of the Asteroids in the Asteroid Belt together have

33

The vernal equinox marks the beginning of spring in the northern hemisphere

34

A 60. gram toy rocket achieves a speed of 80. m/s after 3.0 s, when fired straight up. What is the average total force on the rocket during the 3 s?

35

A lamp radiates 75. J/s when the room is set on 27°C but it radiates 90. J/s when the room temperature drops to 10.°C. What is the temperature of the lamp?

36

The celestial equator always crosses the horizon at the east point and west point

37

Neutral hydrogen is most obvious in the electromagnetic spectrum:

38

Theoretical calculations indicate that a star more massive than some threshold around 15 or 20 solar masses will collapse and become a black hole when its nuclear fuel is exhausted