Chapter 29 Vocab Flashcards Preview

Science > Chapter 29 Vocab > Flashcards

Flashcards in Chapter 29 Vocab Deck (14):
0

Sphere

3-D round object whose surface is the same distance from the venter in every direction

1

Ellipse

Elongated, closed curve with 2 foci; shape of earths orbit around the sun

2

Time zone

Any of the 24 longitudes strips on earth about 15 degrees wide on earths surface in which local time is the same

3

Rotation

Spinning of the on its axis; used to measure time in days

4

Revolution

Motion of the earth around the sun; used to measure time in years

5

Ecliptic

Path of earths orbit around the sun; from earth, seen as the path that the sun travels across the Zodiac

6

Solstice

Occurs twice in one year- tilt most towards or away from the sun

7

Equinox

Occurs twice a year- perpendicular to a line connecting the center of the earth to the center of the sun

8

Tide

Peridot rise and fall of sea level caused by the gradation all attraction among the earth moon and sun

9

Moon phrase

Changing appearance of the moon as viewed from earth

10

Solar eclipse

Occurs during the new moon when earth enters the moons umbra and casts a shadow on the earths surface

11

Lunar eclipse

Occurs during the full moon. Moon enters the earths umbra and earth cats a curved shadow on the moons surface

12

Maria

Relatively flat, dark colored regions on the moons surface

13

Regolith

Layers do debris on the moons surface formed by the accumulation of meteoric material