1. When is the possibility of solar weather affecting terrestrial weather the highest?
A. during Total Solar Irradiance
B. during the solar cycle
C. during solar minimum
D. during solar maximum

2. Which set of terms describes a realistic cause-effect relationship between solar weather and Earth's magnetosphere? Select the two correct.
A. coronal mass ejection -- geomagnetic storm
B. solar wind -- interplanetary magnetic field
C. radiation belt -- aurora
D. geomagnetic storm -- aurora

3. Which do solar flares and coronal mass ejections have in common? Select the two correct responses.
A. They are caused by the sun's changing magnetic field.
B. They appear as dark spots on the sun's surface.
C. They tend to occur during minimum points in the solar cycle.
D. They are explosive events that can affect Earth.

5. What is the irradiance of the sun dependent on?
A. the wavelength of the radiant energy it emits
B. the density of particles in the solar wind
C. the number of sunspots
D. the energetic solar wind particles

6. Select the correct answer from the list.
Based on (temperature, humidity) data and (wind, rainfall) data, scientist think that solar weather has (some, no) effect on terrestrial weather.

7. Which accurately describes solar weather? Choose the two correct answers.
A. Solar flares and sunspots increase as solar minimum approaches.
B. Solar flares and sunspots increase as solar maximum approaches.
C. The intensity of solar weather is constant and unchanging.
D. The intensity of solar weather changes frequently.

8. For a few hours, some satellites experienced electrical failure and at the same time, radio communications at high latitudes were also disrupted. Which is an astronomer most likely to predict was the cause?
A. solar flares
B. solar energetic particles
C. a geomagnetic storm
D. coronal mass ejections

9. Identify the two layers that surround the sun's innermost layer. Select the two correct answers.
A. radiative zone
B. photosphere
C. convection zone
D. chromosphere