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 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 and 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 line that divides Earth into two halves called the Northern Hemisphere and the Southern Hemisphere

Question 7

full Moon

Answer 7

The phase of the Moon that occurs about 14 days after the new Moon in which the complete lightened portion of the Moon is visible from Earth’s surface & 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

first-quarter Moon

Answer 9

The phase of the Moon, occurring about seven days after the new Moon, in which the lightened portion of the moon that is visible from Earth’s surface is a half circle.

Question 10

last-quarter Moon

Answer 10

The phase of the Moon that occurs about 7 days after the full Moon in which the lightened 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 Earth that produces the changing phases of the Moon. One complete lunar cycle takes about 29.5.

Question 12

new Moon

Answer 12

The phase of the Moon, occurring about 14 days after the full Moon, in which none of the lightened portion of the Moon is visible from Earth’s surface.

Question 13

orbit/revolution

Answer 13

A complete circle made by a planet around a sun or by a moon around a planet.

Question 14

plausible

Answer 14

Consistent with evidence.

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 position visible from Earth is decreasing (between full and new Moon).

Question 18

waxing

Answer 18

The phases of the Moon when the illuminated position visible from Earth is increasing (between the new and 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 degrees 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.)