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

plausible

Answer 4

consistent with evidence

Question 5

rotate

Answer 5

to turn or spin around an axis

Question 6

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.

Question 8

equator

Answer 8

an imaginary circle divides Earth into two halves the northern hemisphere and southern hemisphere.

Question 9

hemisphere

Answer 9

one half of a sphere.

Question 10

orbit

Answer 10

another term of revolution.

Question 11

revolution

Answer 11

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

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 which the lit portion of the moon visible from earths surface is less than a half circle.

Question 14

full moon

Answer 14

the phase of the moon, occurring about 14 days after the new moon, which the 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 7 days after the new moon, which the lighted portion of the moon that is visible from the earth’s surface is a half-circle

Question 16

gibbous moon

Answer 16

a phase of the 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 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 14 days after the full moon, in which none of the lighted portion of the moon is visible from earth.

Question 20

waining

Answer 20

the phases of the moon when the illuminated portion visible from the earth is decreasing

Question 21

waxing

Answer 21

the phases of the moon when the illuminated portion visible from the earth is increasing