Rotation & Revolution
What is rotation and how long does it take?
When earth spins; it takes 24 hours
Which phases of moon is it when all the sun rays hit the moon?
Full Moon
Describe high tide and low tide - what they mean, how many times of day
When ocean water rises and falls. They each occur twice a day
What is an eclipse?
When a celestial body fully covers or casts a shadow on another celestial body
What is a nocturnal animal? Give an exmple? What is an adaptation they would have?
Active at night; bat; ecolocation
What is revolution and how long does it take?
When earth goes around the sun; takes 365 days
Order the phases of the moon
New moon, waxing cresecent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning cresent
Explain spring tide and draw on the board
When all 3 celestial bodies are in a line. Like a super tide
Explain a solar eclipse
When the moon passes in front of the sun.
3 reasons clams were important
Easy to harvest, full of protein, could be eaten fresh or dried for later (good for trading)
What does rotation give us? Explain
Day and Night; facing toward or away from sun
How many days does it take for a full cycle of the moon?
Roughly 28 days
Explain neap tide and draw
When the 3 celestial bodies are in a right angle. Tides are not as different
Explain a lunar eclipse
When the earth casts a shadow on the moon
Give 1 disadvantange and 1 advantage to marine life living in tidal pools
Answers will vary
What does revolution give us? Explain
Seasons; earths tilt away or toward the sun
How does the moon affect the ocean water?
The moons gravitational force pulls on the ocean water, casuing high and low tides
What did the indigenous use clam gardens for? 2 answers
Source of protein, trade item
What is the difference between total and partial eclipses? How many people see each?
Total means it is fully covered; only a few ppl witness this. Partial is some is covered; more ppl see this
How do tides help sea turtles?
High tide to bring in mamas to lay eggs, low tide to bring babies back out to ocean
What is the imaginary line Earth spins on? An imaginary path Earth revolves on?
Axis; Orbital path
Is the moon a source of light?
No, it simply reflects sunlight
Explain how they built clam gardens and wehat they are trying to do with them now
Build rock wall by the optimal zone for clams. They are trying to restore them now
What are the names of where you would see both total and partial?
Total - umbra. Partial - penumbra