science test #2 Q&A Word Scramble
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| Question | Answer |
| when can you see Earth's umbra? | during a solar eclipse |
| what causes tides? | the sun and the moon pulling on water |
| why does the moon cause two tidal bulges? | the moon's gravitational force and inertias (resistance) |
| spring tide vs neap tide? | spring tide- moon, sun and earth align in straight lines and tides have biggest contrast of highest to lowest. occurs during full and new moons neap- sun and earth line up in right angles. happened during first quarter moon and third quarter |
| how many times a month is there a neap tide? | two |
| how many times a month is there a spring tide? | two |
| how many high tides a day? | two |
| how many low tides a day? | two |
| what kind of tide is created when there's the biggest contrast of high and low tides? | spring |
| what kind of tide is it when there's low contrast between high and low tide? | neap |
| when water flows toward the far side of Earth it creates a high or low tide? | high |
| does it matter which way the sun, Earth and moon line up when a spring tide occurs? | no. as long as they are all lined up in a row the spring tide will occur and highest tide will have big contrast with lowest tide |
| what kind of tide occurs when sun is at right angles with Earth and moon? | neap |
| what do the differences in the moon's and sun's pull on different sides of the Earth cause? | tides |
| what kind of tide occurs when sun, Earth and moon are in a line? | spring |
| when water flows toward the high tides, it cause what kind of tide halfway between them? | low |
| approximately hour many hours is a tides cycle of rising and falling ocean water? why is it a little over then one day? (1 hour over) | 12.5 hours |
| what kind of moons produce spring tides? | new moons and full moons |
| what kind of moons produce neap tides? | first quarter moons and third quarter moons |
| does the sun's gravity affect tides? | yes |
| what do changes in position of Earth, sun and moon cause? | the kind of tides that occur. spring and neap tides depend on positions of Earth,sun and moon. |
| what mainly causes tides to happen? | the moon and sun pulling on the Earth causes tides to happen. |
Created by:
gott