earth motions

Created by Mildred

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Celestial Spheres Moon Stuff Eclipses Seasons Tides

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Final Jeopardy

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This celestial sphere was

drawn in New York State. On what date was

path D-G drawn?

December 21st

Where was this diagram

drawn, on what

date(s), AND about what time of day?

On the equator in the early

afternoon of an equinox

The observer looked at his

shadow at 8AM on this date. In what direction was he facing?

Southwest

What was the

latitude of the

observer?

23 ½ degrees north

The tropic of cancer?

North

This diagram, showing the

sun’s positions was drawn in Cheesequake,

NJ. In what direction is shadow C pointing?

What phase is

the moon in when it

is at position

C ?

FULL

Which letter represents the waxing

gibbous moon?

Letter D

At which point in the moon’s orbit

would it’s apparent

diameter (as seen from Earth)

be greatest?

Location A

DAILY DAILY DOUBLEDOUBLE

About how long does it

take the moon to go

from position 2 to position

7 ?

18.4 days29.5÷8 = 3.68 x 5 =

18.4

13.37 times(365 ÷ 27.3 = 13.37)

In the time it takes for the Earth to go around the Sun once, how many times has the Moon rotated on it’s axis?

In which position could a lunar eclipse occur?

Position C

What is the name of the darker, inner part of a

shadow which causes an eclipse?

The umbra

Fill in the blank spaces:

During a solar eclipse the shadow of the _____ falls on

the ______.

The shadow of the MOON falls on the EARTH.

What name is given to the

Sun’s atmosphere

which becomes visible during a

total solar eclipse?

The corona

In this photo of a solar eclipse the

moon appears too small to completely

cover the sun. Explain why.

An annular eclipse occurs when the moon is at it’s farthest point from

the Earth. Because it is far it’s apparent diameter is too small to

cover the sun.

What is the season in the

northern hemisphere

when the Earth is at position C

Winter

What is the season in

Albany NY as shown in the

diagram?

Summer

This celestial sphere diagram was made on the day with the greatest duration of

insolation. On what date was

it made?

December 21st

Which location is receiving the

maximum duration of

insolation on the date

indicated by the diagram?

Location A

Which location is

receiving the greatest

intensity of insolation on

the date shown in the

diagram?

Location C

How many high tide are occurring on Earth at any one

time?

Two

What kind of tides tide

are illustrated

by the diagram?

Neap tides

What kind of

tides are illustrated by the diagram?

Spring Tides

Which has a a greater effect on the Earth’s oceans (tides), the Sun or the Moon and explain

why.

The Moon has a greater effect. It is much closer

than the Sun so the effect of it’s gravity is

stronger.

Exactly how much time goes by from a high tide to the next low

tide?

6 hours, 12 minutes and about 30 seconds.

(6 hours 12 or 13 minutes is acceptable)

FINAL JEOPARDY

?

Lunacy

You are on a rocket traveling from the Earth to the Moon at a speed of 8,042 km/hr.

About how many days will your trip require?

2 days386,000 ÷ 8,042 = 47.99 ÷ 24 = 2