LUOA Science 9: Sun-Earth-Moon System - Motions, Seasons & Tides

If the sun is at solar noon on the equator during the solstice, it is __________ (Choose 2)

1. at its zenith 2. at approximately 90 degrees overhead

At the autumnal equinox in the northern hemisphere and the vernal equinox in the southern hemisphere, there are approximately _________

12 hours of daylight and 12 hours of darkness

If an observer was on the equator, they would see ____ hours of daylight and ____ hours of darkness every day, all year long

12; 12

The highest point the sun can reach is called __________

Solar noon

Solar noon at any given point on the Earth is the lowest during __________ solstice

Winter

The 90° mark where the sun is in the sky is also known as the __________

Zenith

Neap tides __________ (Select all that apply)

occur during the first and third-quarter moon occur when the sun and the moon are at a 90 degree angle to each other have very low, high tides and very high, low tides

Spring tides __________ (Select all that apply)

produce very low, low tides occur when the moon and the sun are in alignment produce very high, high tides occur during the new and full moon

What is the difference between spring tide and neap tide?

Spring tides occur during full moons while neap tides occur during quarter moons.

The seasons themselves are caused by two different aspects of the Earth's movement, but the main effect of the seasons is due to __________

The rotation of the Earth on its axis