by BlastRoom
Reason from the positions of Earth, the Sun, and the Moon to explain daily, spring, and neap tides.
#seasons_and_tides#us_grade_6_science

20 questions
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Spring tides happen when the Sun, Earth, and Moon are lined up in a nearly straight line. During which two moon phases does that alignment happen?

A neap tide is happening at a coast today. Where is the Moon compared with the line running from the Sun to Earth?
Water bulges on the side of Earth facing the Moon and on the side facing away from it. Why does most of a coastline get two high tides in about a day?

The Sun is far more massive than the Moon, yet the Moon has the larger effect on Earth's tides. What best explains this?
A harbor reports that this week's tides are neap tides. What should sailors expect?

At a new moon, the Moon sits between Earth and the Sun, so the three bodies are nearly in a straight line.
Tonight is a new moon. What tide should a coastal town most likely record over the next day or two?
A calendar shows a third quarter moon this weekend. What tide pattern should the coast most likely record?
What is the main cause of ocean tides on Earth?

A port records tidal range on four dates. Day 2: 1.2 meters. Day 9: 3.9 meters. Day 16: 2.5 meters. Day 23: 4.1 meters. On which day was a neap tide most likely happening?
A student mixes up two Earth patterns: seasons and tides. What actually causes each one?
During a neap tide, how does the Sun's pull act compared with the Moon's pull?
During a spring tide, how does the Sun's pull act compared with the Moon's pull?
Neap tides happen about a week after spring tides.
A class builds a model of tides using a lamp for the Sun, a large ball for Earth, and a small ball for the Moon held at arm's length. What does this model show well, and what does it leave out?

A bay records a tidal range of 4.2 meters one week and only 1.5 meters the next week. What moon phase most likely matched the 1.5 meter week?
About how often does a coast get spring tides?
One tidal bulge sits on the side of Earth facing the Moon. Where is the other bulge?
A class charts tidal range at one beach every day for a month and finds it rising and falling in a repeating cycle. Which conclusion do the data support?

During a spring tide the high tide is higher than usual. What happens to the low tide during that same spring tide?

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20 questions