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 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

plasusible

Answer 5

Consistent with evidence.

Question 6

rotate, rotation

Answer 6

To turn or spin around an axis.

Question 7

time zone

Answer 7

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 8

equator

Answer 8

An imaginary circle that divides Earth into two halves called the Northern Hemisphere and Southern Hemisphere.

Question 9

hemisphere

Answer 9

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 10

orbit

Answer 10

Another term for revolution.

Question 11

revolution

Answer 11

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

Question 12

revolve

Answer 12

To travel around another object in a circular or elliptical path.

Question 13

crescent Moon

Answer 13

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 14

full Moon

Answer 14

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 15

first-quarter Moon

Answer 15

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 16

gibbous Moon

Answer 16

A phase of the Moon before or after it is full, when more than half of its disk is illuminated.

Question 17

last-quarter Moon

Answer 17

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 18

lunar cycle

Answer 18

The revolution of the Moon around Earth that produces the changing phases of the Moon. One complete lunar cycle takes about 29.5 days.

Question 19

new Moon

Answer 19

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 20

waning

Answer 20

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

Question 21

waxing

Answer 21

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