Quiz 2

Refer to Seasonal Stars page 8 of the Workbook homework and answer the following questions. Which labeled constellation do you see highest in the southern sky? For the time shown, what constellation is just to the left (i.e. east) of the highest constellation at this instant? One month later. Which constellation will now be highest in the southern sky?

Taurus Gemini Gemini

The stars on the celestial sphere appear to move during the night when we observe them from Earth because the Earth orbits around the Sun.

True False False Correct

Multiply one thousand times one million using scientific notation. Select the correct answer.

a. 1.0 x 10 12 b. 1.0 x 10 11 c. 1.0 x 10 9 d. 1.0 x 10 10 e. 1.0 x 107 c. 1.0 x 10 9 Correct (add exponents)

Refer to Figure 2. At which of the numbered positions is star A visible in the southern part of the sky?

a. A2 b. A3 c. no position d. A4 e. A1 a. A2

Refer to Figure 2. At which of the numbered positions does star B rise and set?

a. B3 b. B1 c. B2 d. no position e. B4 d. no position

Pick the best hypothesis.

a. If a plant is given fertilizer and water then it will grow faster. b. If 50 milliliters of water is added to a plant per day, then adding 100 milliliters of water per day will make the plant grow faster. c. If a plant is placed in poor soil and put outdoors then it will die. b. If 50 milliliters of water is added to a plant per day, then adding 100 milliliters of water per day will make the plant grow faster.

Rank the order in which the Sun will appear next to each constellation (if at all) over the next several hours until from sunrise (6am) sunset (6pm)

a. The Sun will appear next to the same constellation from sunrise to sunset. b. E, D, C, B, A c. Other order d. A, B, C, D, E a. The Sun will appear next to the same constellation from sunrise to sunset. Correct

Refer to Figure 2. At which of the numbered positions is star A just visible above the western horizon?

a. no position b. A2 c. A3 d. A1 e. A4 c. A3 Correct

At noon in Los Angeles the Sun is

a. on the horizon b. at the zenith c. on the celestial equator d. on the celestial meridian d. on the celestial meridian

Based on the following image of an observer's local horizon, match the positions with their correct descriptions. Position c, altitude = 0 degrees 60 degree angle Position a, altitude = +90 degrees Position b

observers horizon The star's altitude as seen by observer zenith Observer's meridian