Show:
Seasons
Seasons 2
Tides
Lunar Cycle
Tide Cycles
100
Where does the Earth's axis point?
To the North Star (Polaris)
100
When it is winter in Austrailia, what season is it in Texas?
summer
100
Where do tides occur?
in all bodies of water, but they are most noticable in large bodies of water, such as oceans.
100
What does the lunar cycle produce and how long does it take?
phases of the moon: 29.5 days
100
What factors can affect the height of tides?
landforms
200
Where on Earth do the poles pass through?
The north and south poles
200
During which months is Earth's axis neither pointed toward or away from the sun?
March & September
200
What causes tides?
the interaction of the sun, moon and Earth
200
How does the moon shine?
reflection of sun
200
How often is high tide?
every 12 hours and 25 minutes
300
Why does the Earth have seasons?
Because of the tilt of Earth's axis
300
Which seasons have equal amounts of energy from the sun?
spring and fall
300
What are tides?
the daily rise and fall of Earth's waters
300
How much of the moon is visible during a new moon?
none
300
Describe the position of the sun, Earth and moon during spring tide and under what phase(s) does it occur?
in a line; full and new moons
400
What is the number of degrees that the Earth's axis is tilted?
23.5
400
what causes the Earth's waters to pull towards the moon?
the moon's gravity
400
What does waxing mean?
grow
400
Describe the positions of the sun, Earth and moon during a neap tide and what phase(s) they do they occur?
right angle; 1st and 3rd(last) quarters
500
In the Northern Hemisphere, during the winter, what does the surface receive due to the tilt of the Earth?
Indirect rays and shorter days
500
What are the 8 phases of the moon, in order, starting with new moon?
new, waxing cresent, 1st quarter, waxing gibbous, full, waning gibbous, 3rd or last quarter, waning cresent, new
500
What kind of energy do tides have?
potential