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

phenomenon

Answer 2

an event related to how the world and universe works

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 shape). 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 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 that is visible from Earth’s surface is a half-circle

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 from Earth’s surface

Question 12

orbit

Answer 12

another term for revolution

Question 13

plausible

Answer 13

consistent with evidence

Question 14

revolution

Answer 14

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

Question 15

revolve

Answer 15

to travel around another object in a circular or elliptical path

Question 16

rotate, rotation

Answer 16

to turn or spin around an axis

Question 17

waning

Answer 17

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

Question 18

waxing

Answer 18

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

Question 19

time zone

Answer 19

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 20

hemisphere

Answer 20

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.)