Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Earth Science > Earth’s Rotation > Flashcards

Earth’s Rotation Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Is the earth in inconsistent motion

A

No the earth is in constant motion

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

What is a revolution?

A

A revolution is the earths motion around the sun

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

How often a revolution happen?

A

Once every year of 365 days

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

What is the earths spinning on its axis called?

A

A rotation

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

How often does a rotation happen

A

Once every 24 hours

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

What is revolving around the Center of the galaxy

A

The sun

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

Therefore what does the earth do

A

The earth follows the sun

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

Fill in my years blank
The______ is most likely moving through__________

A

The galaxy is most likely moving through space

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

What does the first law of motion prove about the earth

A

That the earth continues in orbit year after year

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

What is inertia

A

The tendency for an object to stay in its motion

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

What 2 forces toconsider in the earths orbit is what

A

The earths forward motion and the suns gravitational pull

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

The equator of the earth has a greater diameter than what?

A

Any other section of the earth as you near the poles

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

Since the earth is spinning this means what about the equator and poles

A

The equator has to be traveling at a greater speed than the earth near the poles

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

The earth spins roughly how many miles per hour at the equator?

A

1000 mph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How many mph does the earth spin at 35 degrees N and S latitudes

A

870 mph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The earths different speeds is seen in what 2 things

A

Global winds and missiles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

As winds move North and South over the earth they tend to do what?

A

To tail off to the east or west

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Why is this?

A

Because they are traveling at a greater or lesser speed than the earth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Just as a quarterback must throw a football in front of a moving receiver, a missive shot from the us to a country where must lead the country

A

On the equator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is this effect called

A

the coriolis effect

21
Q

What is a Foucault pendulum?

A

A swinging ball on a long cord

22
Q

As the ball swings what keeps it in a straight line

A

It’s inertia

23
Q

As the ball swings in a straight line,what does the earth do

A

Rotates underneath it

24
Q

The appearance is that the ball swings through a what in what period of time?

A

Through a full circle every 24 hr/one full rotation

25
Q

What is an ecliptic path?

A

the apparent path of the sun through the stars

26
Q

What is the apparent travel caused by?

A

Our traveling around the sun so we ‘see’ different stars behind the sun

27
Q

True/False this is eveidence for only the heliocentric theory

A

False

28
Q

What is the first best evidence for the earths revolution

A

Seasons

29
Q

Why is the earth actually closer to the sun in January the reason that we gave winter?

A

Because the tilt of the earth

30
Q

The earth is tilted how many degrees?

A

23.5 degrees

31
Q

The axis of the earth always points at where

A

The North Star

32
Q

Where is North America tilted during winter?

A

Away from the sun

33
Q

Where is North America tilted during summer

A

Toward the sun

34
Q

During what 2 seasons is the side of the earth to the sun

A

Fall and spring

35
Q

During what season is the sun at 23.5 N

A

The sun is at 23.5 degree N during summer

36
Q

During fall and spring what degree is the sun at

A

The equator/0 degrees

37
Q

During winter the sun is in what hemisphere name degrees too

A

Southern hemisphere 23.5 S

38
Q

What is the longest day of the year(Give two names)

A

Summer solstice on June 21

39
Q

What is September 21 also known as ?

A

Autumnal equinox

40
Q

What day is the vernal equinox in

A

March 21

41
Q

What is one thing in common with fall and spring concerning the length of the days

A

They have a both equal (12 hr)day and night

42
Q

What js December 21 also known as(2)

A

Winter solstice, shortest day of the year

43
Q

Which seasons are in the Tropic of Cancer?

A

Summer

44
Q

Which season is in the Tropic of Capricorn

A

Winter

45
Q

Based on what 2 things does the sun change positions in the sky

A

Tilt and revolution

46
Q

Which tropic is the farthest north that the suns rays hit directly at what degree

A

Tropic of Cancer at 23.5 degrees north latitude

47
Q

What is The tropic at Capricorn?

A

The Tropic for the south that the suns rays hit directly at 23.5° south latitude. 

48
Q

What is another evidence of earth’s rotation

A

Parallax

49
Q

What is parallax

A

Parallax is the observed displacement of an object caused by the change of the observer’s point of view

Earth Science (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions