Unit 3 Science Vocab

Question 1

Equator

Answer 1

an imaginary horizontal line around the Earth separating the northern and southern hemispheres

Question 2

Hemisphere

Answer 2

the division of the northern, southern, eastern and western halves of the Earth

Question 3

Moon Phase

Answer 3

any appearance of the moon seen from Earth

Question 4

Seasons

Answer 4

four different weather patterns during the year (spring, summer, autumn, winter), changing because of the Earth’s tilt on its axis revolving around the sun

Question 5

Luminsity

Answer 5

the apparent brightness of a celestial object based on its distance

Question 6

Spring Tide

Answer 6

the tide that occurs right after a new or full moon and is the greatest difference between high and low water

Question 7

Neap Tide

Answer 7

a tide that occurs right after the first or third quarters of the moon and is the least difference between high and low water

Question 8

Revolution

Answer 8

the Earth’s orbit around the sun

Question 9

Rotation

Answer 9

the spinning of the Earth on its axis

Question 10

Waxing Crescent

Answer 10

increasing crescent moon, one phase after the new moon

Question 11

Waning Crescent

Answer 11

decreasing crescent moon, one phase before the new moon

Question 12

First Quarter

Answer 12

the moon phase where we can see exactly half of the moon on the right

Question 13

Full Moon

Answer 13

the phase where we can see the entire moon

Question 14

New Moon

Answer 14

the phase where we cannot visibly see the moon

Question 15

Waxing Gibbous

Answer 15

the phase where the gibbous, which is slightly bigger than a semicircle, is increasing

Question 16

Waning Gibbous

Answer 16

the phase where the gibbous, which is slightly bigger than a semicircle, is decreasing

Question 17

Direct Sunlight

Answer 17

covers a smaller surface area, so heat is concentrated and warmer

Question 18

Indirect Sunlight

Answer 18

covers a larger surface area, so heat is spread out and cooler