Unit F List A

Question 1

data

Answer 1

Information gathered from an experiment: firsthand evidence from the 5 senses or from machines that extend our senses.

Question 2

phenomenom

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 and understand how it works.

Question 4

axis

Answer 4

the imaginary line around which an object spins, or rotates

Question 5

crescent moon

Answer 5

the phase of the moon in which the lit portion of the moon visible from the earth’s surface is less than a half circle. Crescent moons occur right before the new moon.

Question 6

equator

Answer 6

an imaginary circle that divides earth into two halves called the northern hemisphere and southern 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 of the moon that 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 and 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 is visible from the earth’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 moon. one complete lunar cycle take 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 non e 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 spin around an axis.

Question 18

waning

Answer 18

the phases of the moon when the illuminated portion visible from earth is decreasing ( between the full and new moon)

Question 19

waxing

Answer 19

the phases of the moon when the illuminated portion visible from earth is increasing (between the new full moon)

Question 20

time zone

Answer 20

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

Question 21

hemisphere

Answer 21

one half of a sphere. ( the half of earth that is north of the equator is the northern hemisphere; the half of earth that is south of the equator is the southern hemisphere.)