Seasons, Moon, Tides Review Key
Lunar Cycle Questions
1. Define each of the following.
a. Waxing moon –when the moon is getting bigger
b. Waning moon -when the moon is getting smaller
c. Crescent moon –a moon that is less than ¼ visible
d. Gibbous moon – a moon that is more than ¼ visible
2. When does a waning moon become a waxing moon?
After the New moon.
3.
Would a full moon be a type of Crescent or Gibbous moon? Explain
Gibbous, because more than ¼ of it is visible.
4.
How long does 1 lunar cycle take?
1 month or 28 days
5.
How long does it take to go from a new moon to a waning crescent?
21 days
6. If April 6th is a full moon, when will the next new moon occur?
April 20th (14 days later)
Seasons Comparison Chart
Complete the following chart comparing the northern and southern hemispheres.
March 21
June 21
September 21
Season in the
Northern
Spring
Summer
Fall
Hemisphere
Season in the
Southern
Fall
Winter
Spring
Hemisphere
North Poles
Not pointed
Not pointed
Pointed towards
position related to
towards or away
towards or away
the sun
the sun
from sun
from sun
Hemisphere
receiving the most
Equal
Northern
Equal
direct sunlight
Hemisphere
heated the most
Same
Northern
Same
December 21
Winter
Summer
Pointed away from
sun
Southern
Southern
Fall
Winter
Summer
Spring
1. Label each hemisphere of the Earth above with the season it would be having.
2. What determines the season? Amount of Sunlight in that hemisphere.
(It is NOT related to distance from the sun. We are closest to the sun in January!)
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Answer key
The moon’s gravitational pull on the water.
1. What causes a high tide? _____________________________________________________________________
2. How often do high tides occur?________________________________________________________________
2 times every day when moon is directly above or on opposite side of Earth
The moon & Sun pulling along same line on Earth
3. What causes a spring tide? ___________________________________________________________________
Twice a month during New and Full Moon Phases. (every 14 days.)
4. How often do spring tides occur? ______________________________________________________________
Moon & Sun pulling at right angles with each other on the Earth.
5. What causes a neap tide? ____________________________________________________________________
6. How often do neap tides occur? _______________________________________________________________
Twice a month during 1st & 3rd quarter moons. (Every 14 days)
7.
Using diagram 1, what type of tides would occur at each letter?
a. Spring or Neap
High or low
All are spring tides because
b. Spring or Neap
High or low
Moon & Sun are pulling in
c. Spring or Neap
High or low
alignment on the Earth.
d. Spring or Neap
High or low
8. Draw the relative water level to represent the tide at letter A & B. Be sure to
account for both the spring or neap tide AND the high or low tide.
A
B
9. Using diagram 2, what type of tides would occur at each letter?
a. Spring or Neap
High or low
All are neap tides because
b. Spring or Neap
High or low
Moon & Sun are pulling at
c. Spring or Neap
High or low
right angles on the Earth.
d. Spring or Neap
High or low
10. Draw the relative water level to represent the tide at letter A & B. Be sure to
account for both the spring or neap tide AND the high or low tide.
A
B