ION
A. Multiple Choice. Read each item carefully. Write the letter of
the correct answer.
1. What causes day and night?
A. revolution of Earth around the sun C. tilting of Earth's axis
B. revolution of
the moon
D. rotation of Earth on its axis
2. From December to February, Earth's axis is pointing away
from the sun
. What is the season in the Northern
Hemisphere?
A, autumn
B. summer
C. spring
D. winter
3. What is the season in the Southern Hemisphere when the
North Pole is tilted away from the sun?
A. autumn
B. summer
C. spring
D. winter
4. What happens on March 21 every year in the Northern
Hemisphere?
A. the autumnal equinox
B. the spring equinox
C. the summer solstice
D. the winter solstice