1. Chapter 4

2. Movement of the earth REVOLUTION- 365.26 DAYS= 1 year
ROTATION- 24 HOURS= 1 day

3. TILT OF THE EARTH SUMMER- 23 1/2 DEGREES TOWARD SUN
WINTER /2 DEGREES AWAY FROM THE SUN

4. NO TILT
SPRING- VERNAL EQUINOX
FALL- AUTUMNAL EQUINOX

5. MOON DRY AIRLESS BARREN NO ATMOSPHERE WON’T CHANGE
4.6 BILLION YEARS OLD
4.6 BILLION- RING A BELL???????

6. WHERE DID THE MOON COME FROM???
CAPTURED IN EARTHS GRAVITY
FORMED SAME TIME AS EARTH
GIANT ASTEROID HIT - CHUNK BROKE OFF

7. MOON
GOES THROUGH PHASES EVERY 29.5 DAYS

8. DOES MOON ROTATE?

9. YES

10. DARK SIDE OF THE MOON
THE SIDE AWAY FROM THE SUN

11. WHY CAN WE SEE MOON?
SUN LIGHTS IT UP

12. WHY DOES IT HAVE PHASES?
Sun hits it at different angles

13. NEW MOON
Does not light up at all

14. WAXING CRESENT
¼ on right lit up

15. 1ST QUARTER
RIGHT HALF LIT UP

16. WAXING GIBBOUS
¾ OF RIGHT LIT UP

17. FULL MOON
ALL OF MOON LIT UP

18. WANING GIBBOUS
¾ OF LEFT LIT UP

19. THIRD QUARTER
1/2 OF LEFT LIT UP

20. WANING CRESCENT
¼ ON LEFT LIT UP

21. BACK TO NEW MOON
29.5 DAYS

22. HELP ME REMEMBER
WAXING ON TOP
LIGHT ON RIGHT
¼ TO ½ TO 3/4

23. HELP ME REMEMBER
WANING ON BOTTOM
LIGHT ON LEFT
¾ TO ½ TO ¼

24. HELP ME REMEMBER
GIBBOUS ON FULL SIDE
CRESCENT ON NEW SIDE

25. SOLAR ECLIPSE
( SUN ) ( MOON ) ( EARTH )

26. LUNAR ECLIPSE
( SUN ) ( EARTH ) ( MOON )

27. EFFECTS TIDES
MOON CLOSER-
HIGH TIDE
MOON AWAY-
LOW TIDE

28. SPRING TIDE HIGHEST TIDE
SUN AND MOON IN LINE
SUN MOON EARTH

29. NEAP TIDE higher than high tide
SUN AND MOON ON OPPOSITE SIDES
SUN EARTH MOON

30. SATELLITES
COMMUNICATION
WEATHER
SCIENTIFIC
NAVIGATION