The Sun Earth Moon System

Question 1

The length of the day:
Sideral day: time it takes for –1— to complete a full —2—-

Solar day: time it takes for —3— to rotate about its –4— so the sun appears in the same —5— position ( noon to –6— or sunrise to —7—)

Answer 1

1) Earth
2) rotation
3)Earth
4)axis
5)same
6)noon
7)sunrise

Question 2

The solar day is —1— than the —2— day

Answer 2

1)longer
2)sidereal

Question 3

Eclpitic –1—: plane of Earth’s –2– around the Sun

Answer 3

1) plane
2) orbit

Question 4

Tilt of earth

Answer 4

23.5 degrees

Question 5

The sun in the summer is high in the –1– n summer sky. So sunlight is —2— into a smaller area, heats –3– and effectively makes–4— warm

Answer 5

1)midday
2)concentrates
3)ground
4)day

Question 6

The sun is —1—- in the midday winter sky.
Same shaft of —2— is spread over a —3— area and less —4— of the ground takes place

Answer 6

1)low
2)sunlight
3)larger
4)heating

Question 7

Equinoxes: points on the —1– where the —2– equator and the ecliptic —3—

Answer 7

1)eclpitic
2)celecstial
3)intersect

Question 8

Two types of equinox

Answer 8

vernal and autumnal

Question 9

Solstices: —-1—- on the ecliptic —2— north (summer solstice) and farthest —3—- (winter solstice)
* In summer the Sun rises from the —4—- and sets on the —-5—- (longest days)
* In winter the Sun rises from the —-6—- and sets on the Southwest (—–7—- days)

Answer 9

1)points
2)farthest
3)south
4)Northeast
6)Southeast
7)shortest

Question 10

The dark side of the moon:
The rotation of the Moon is –1— with its orbit around —2—-.
Only one side —3—
The side not seen from —4— is called: —- —– (5) of the moon ( not really dark!)

Answer 10

1)Synchronised 2)earth 3) earth 4) dark side