10 questions
Use the bar shown to navigate and answer these questions. The play button is bottom left, and use the forward/back buttons to skip.
I understand where to find these things and have the interactive open.
I don't understand where to play forwards and back
Click the tide chart button so you can see the graph
I have done this
I refuse
Allow the time to "play" until 7 days and 9 hours. Time should stop and an explanation for neap tides comes up. What moon phase is it?
New Moon
1st quarter
3rd quarter
Full moon
Now, starting with the 7 day 9 hour mark, press play and watch the sailboat on the bottom left. What do you observe?
During days 8, 9, and 10 the sailboat goes way up and down every 12 hours
During days 8, 9, and 10 the sailboat doesn't even move
During days 8, 9, and 10 the sailboat goes up and down only a small amount
Allow the time to go until 14 days, 18 hours. It will stop. What was the moon phase 3 days ago?
Waning gibbous
Waxing gibbous
Waning crescent
1st quarter
What is the best explanation of the moon tides and the earth tides at this 14 day, 18 hour mark
Their gravity is fighting against each other, resulting in small tides during a full moon
Their gravity is cooperating, resulting in large tides during a full moon
Their gravity is cancelling each other out, resulting in no tides during a full moon
It is 6AM and the boat is low in the water. What is the best guess for when it will RETURN back to a similar point?
7AM
12PM (noon)
3PM
6PM
Allow the simulation to "play" from day 14 to day 22, hour 3, at which it will stop. What did you observe?
The moon phase changed, but it didn't affect tides
The tides changed, but the moon phase didn't
The tides went from a large range (way up and way down) to a smaller range
The tides went from a small range (barely up and barely down) to a large range
What is the best summary of the graph from the first 22 days of the simulation?
Approximately every week you get a new high tide
Approximately every week there is either a spring or a neap tide
Every day there is a spring and neap tide
The tides are very constant, no matter the moon phase
How many high and low tides are there every day?
There is one high and one low tide
There are two spring and two neap tides
There is a high tide one day, the next day a low tide
There are two high and two low tides every day