Earth in Space Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Astronomy

A

the study of the moon, stars, and other objects in space.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

axis

A

the imaginary line that passes through Earth’s center and the North and South poles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

revolution

A

the movement of one object around another object.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

rotation

A

the spinning motion of Earth on its axis.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

orbit

A

the path of an object as it revolves around another object in space.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What causes day and night?

A

The rotation. When Earth rotates east the sun appears and when its west it is night.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Why is an extra day added to February?

A

because the Romans added one day for every 4 years because the earth orbits around the sun in 365 1/4 days.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Each 24-hour cycle of day and night is called…

A

day

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Why is it warmer near the equator than near the poles?

A

because the sun hits the equator directly but at the poles it hits only at a steep angle.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Why does Earth have seasons?

A

because its axis is tilted as it revolves around the sun.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

True or False. When it is summer in the Northern Hemisphere it is winter in the Southern Hemisphere.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

solstice

A

each of the two days of the year when the noon sun is farthest north or south of the equator.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

equinox

A

Each of the two days of the year when neither hemisphere is tilted toward or away of the equator.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Give Info for:

  1. summer solstice
  2. Autumnual equinox
  3. winter Solstice
  4. Vernal Equinox
A
  1. June 21, longest daytime, Northern hemisphere tilted to sun
  2. Sept. 22, 12 hours day, no hemisphere tilted to sun
  3. Dec. 21, 8 hours day, Southern Hemisphere tilted to sun
  4. March 21, day/night are equal, Northern hemisphere tilted to sun
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

calendar

A

system of organizing time that defines the beginning, length, and divisions of a year.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly