Unit F List A

Question 1

Data

Answer 1

Information gathered from an experiment; firsthand evidence from the 5 senses or from machines that extended our senses

Question 2

Phenomenon

Answer 2

an event related to how the world and universe work

Question 3

Model

Answer 3

any representations 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 half a circle . 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 and southern hemisphere

Question 7

full 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 and appears as a full circle

Question 8

gibbous moon

Answer 8

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

Question 9

last-quarter moon

Answer 9

the phase of the moon, occurring about seven days after the full moon, in which the lighted portion of the moon that is visible from Earth’s surface and appears as a half circle

Question 10

lunar cycle

Answer 10

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

Question 11

new moon

Answer 11

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 to earth

Question 12

orbit

Answer 12

another term for revolution

Question 13

plausible

Answer 13

consistent with evidence

Question 14

revolve

Answer 14

to travel around another object in a circular or elliptical path

Question 15

rotate,rotation

Answer 15

to turn or spin around an axis

Question 16

waning

Answer 16

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

Question 17

waxing

Answer 17

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

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 15 degree intervals, an hour apart )

Question 19

hemisphere

Answer 19

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 )

Question 20

revolution

Answer 20

another term for revolution