SEM

Question 1

Spring Tide

Answer 1

How’s the greatest difference between the height of high tide and low tide. Occurs when there is a new Moon or full moon.

Question 2

Umbra

Answer 2

The darkest part of the Moon Shadow in an eclipse

Question 3

Phenumbra

Answer 3

The later part of a moon’s shadow in the eclipse

Question 4

What is a tide, and what creates a high and low tide?

Answer 4

Tides are periodic rises and falls in the sea water levels. Tides are caused by the gravitational pull of the moon and sun on earth. This gravitational pull causes the water to bulge creating a high tide at this point and a low tide at the points perpendicular

Question 5

Why does the moon have phases?

Answer 5

The changing relative positions of the earth sun and moon determine how much of the lit side of the moon we can see from earth

Question 6

How long does it take the moon to go through all of its eight phases

Answer 6

29.5 days

Question 7

What is the result of an annular eclipse

Answer 7

A ring of sunlight that can be seen around the dark disc of the moon

Question 8

Why do the times of high and low tides change each day

Answer 8

The time changes about 50 minutes each day due to the moons orbit around Earth

Question 9

Neap tide

Answer 9

Has the shortest difference between the height of high tide and low tide. Occurs when there is a quarter moon.