unit F- list A

Question 1

data

Answer 1

information gathered

Question 2

phenomenon

Answer 2

an event related to how the world and universe work

Question 3

model

Answer 3

any representation of a system, or its components, to help one study and understand how it works

Question 4

axis

Answer 4

the imaginary line around which an object spins, or rotates. Earth rotates around an axis that runs straight through Earth from the North Pole to the South Pole

Question 5

crescent Moon

Answer 5

the phase of the Moon in which the lit portion of the Moon visible from Earth’s surface is less than a half-circle (crescent Moon). Crescent moons occur right after and right before the new moon.

Question 6

equator

Answer 6

an imaginary circle that divides Earth into two halves called the Northern Hemisphere and South Hemisphere

Question 7

first-quarter Moon

Answer 7

the phase of the Moon, occurring about seven days after the new Moon, in which the lighted portion to the moon is visible from Earth’s surface is a half-circle

Question 8

full moon

Answer 8

the phase of the moon that occurs about 14 days after the new moon in which the complete lighted portion of the moon is visible from Earth’s surface & appears as a full circle

Question 9

gibbous moon

Answer 9

a phase of the moon before or after it is full, when more than half of its disk is illuminated

Question 10

last-quarter moon

Answer 10

the phase of the moon that occurs about 7 days after the full moon in which the lighted portion of the moon that is visible from Earths’s surface is a half-circle

Question 11

lunar cycle

Answer 11

the revolution of the moon around earth that produces the changing phases of the moo. one complete lunar cycle takes about 29.5 days

Question 12

new moon

Answer 12

the phase of the moon, occurring about 14 days after the full moon, in which none of the lighted portion of the moon is visible from earth’s surface

Question 13

orbit

Answer 13

another term for revolution

Question 14

plausible

Answer 14

consistent with evidence

Question 15

revolution

Answer 15

a complete circle made by a planet around a sun or by a moon around a planet (orbit)

Question 16

revolve

Answer 16

to travel around another object in a circular or elliptical path

Question 17

rotate, rotation

Answer 17

to turn or to spin around an axis

Question 18

time zone

Answer 18

a region throughout which the same standard time is used. (There are 24 time zones in the world at approximately by meridians at 15o intervals, an hours apart.)

Question 19

hemisphere

Answer 19

One half of a sphere. ( The half of the earth that is Nroth of the equator is the northern hemisphere; the half of earth that is south of the equator is the southern hemisphere.)