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Moon, Tides, and Seasons

Steve Melody

A puzzle suitable for Year 7 Science students to show the influence of the moon on tides; seasons of the year.

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Across
4.Imaginary line drawn through Earth from the north pole to south pole; Earth spins around this line.
5.During a .......... eclipse, the Earth castes a shadow on the moon.
6.The shortest days of the year are in ......., while longest days are in summer.
8.At the spring and autumn .........., days and nights are of equal length.
9.Phase of the moon not visible to an observer on Earth.
10.The Earth rotates on its axis from the ........ to the east.
15.A leap year occurs every ........ years.
16.The orbits of both the Earth and moon are ....... in shape.
17.The natural satellite of the Earth is the ....... .
18.Invisible force of attraction between objects containing mass.
20.Both the sun and the moon rise in the ...... and set in the west.
21.Hottest season of the year.
Down
1.Neap tides occur during the ......and third (or last) quarter of the moon.
2.The moon rises approximately 50 minutes ....... each day or night.
3.The direction of movement of the Earth around the sun is .....clockwise.
6.The moon is said to be ........ as it grows in brightness.
7.The force of gravity is affected by the mass and ........ between objects.
11.......... tides occur on the new moon and full moon.
12.The longest day of the year is reached at the summer .......... .
13.Days get progressively shorter during this season.
14.During a solar ........., the moon castes a shadow on part of the Earth.
19.It takes one ...... for the Earth to make one complete revolution around the sun.

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