Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Stack #214344
| Question | Answer |
|---|---|
| tide | periodic rising and falling of the water level of the ocean |
| what causes tides? | gravitational pull of the moon and earth |
| why does the moon's gravity effect us more than the sun's gravity? | the moon is closer |
| about how many hours are there between high tides? | about 12 1/2 hours |
| tidal range | difference in height between a high tide and the next low tide |
| spring tide | when the sun, moon, and earth are directly aligned resulting in an extra-high tidal bulge and extra-low tidal dip |
| neap tide | during first and third-quarter moons, sun and moon are not aligned with earth... results in less extreme high and low tides |
| what's the difference between direct and indirect high tides? | direct high tides are closest to the moon, resulting from the most gravitational pull from the moon |
Created by:
cemarcum
Popular Science sets