Unit F - List A

Question 1

data

Answer 1

Information gatheredfrom an experiment; firsthand evidence from the 5 sences or from machines that extend our senses.

Question 2

phenomenon

Answer 2

an event related to how the world and univerise 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 though 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 the Earth’s surface is less than a half-circle. Crescent moons occur right after and right before the new Moon.

Question 6

equator

Answer 6

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

fullMoon

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 Earth’s surface is a half-circle

Question 11

lunar cycle

Answer 11

the revolution of the Moon around the Earth that produces the changing phases of the Moon. 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

Answer 17

to turn or around an axis

Question 18

rotation

Answer 18

to turn or spin around an axis

Question 19

waning

Answer 19

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

Question 20

waxing

Answer 20

the phases of the Moon when the illuminated visible from Earth is increasing (between the new full Moon)

Question 21

time zone

Answer 21

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

Question 22

hemisphere

Answer 22

one half of a sphere. (The half of the 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.)