Explain why the Earth has seasons

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Earth Science › Explain why the Earth has seasons

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1

Seasons  1

What is best represented by the diagram shown?

Earth's seasons

Earth's night and day

Earth's rotation

Earth's solar cycle

Explanation

The answer is "Earth's seasons."

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun).

2

Screen shot 2020 07 27 at 11.16.29 am

In which position would the southern hemisphere experience winter?

position 1

position 2

position 3

position 4

Explanation

The answer is "position 2" because the sun's rays are indirectly hitting the surface in the southern hemisphere. Positions 1 and 3 are fall and spring in the southern hemisphere respectively.

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun). The day that the Earth's North Pole is tilted closest to the sun is called the summer solstice. It is also the day that the Sun reaches its highest point in the sky. The winter solstice, or the shortest day of the year, happens when the Earth's North Pole is tilted farthest from the Sun.

3

Screen shot 2020 07 27 at 11.16.29 am

In which position is the northern hemisphere experiencing winter?

position 1

position 2

position 3

position 4

Explanation

The answer is "position 4" because the sun's rays are indirectly hitting the surface in the southern hemisphere. Positions 1 and 3 are spring and fall in the northern hemisphere.

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun). The day that the Earth's North Pole is tilted closest to the sun is called the summer solstice. It is also the day that the Sun reaches its highest point in the sky. The winter solstice, or the shortest day of the year, happens when the Earth's North Pole is tilted farthest from the Sun.

4

When is the north pole tilted closest to the sun?

summer solstice

winter solstice

equinox

none of these

Explanation

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun).

The day that the Earth's North Pole is tilted closest to the sun is called the summer solstice. It is also the day that the Sun reaches its highest point in the sky. The winter solstice, or the shortest day of the year, happens when the Earth's North Pole is tilted farthest from the Sun.

5

What is the summer solstice?

none of these

the shortest day of the year

when the North Pole is tilted furthest from the sun

all of these

Explanation

The answer is none of these. The answer choices describe the winter solstice.

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun).

The day that the Earth's North Pole is tilted closest to the sun is called the summer solstice. It is also the day that the Sun reaches its highest point in the sky. The winter solstice, or the shortest day of the year, happens when the Earth's North Pole is tilted farthest from the Sun.

6

Which explanation best describes why there are less than 10 hours of daylight in Alaska during the month of April?

Alaska is located in the far northern hemisphere, away from the sun in spring, and day and night are caused by Earth's rotation.

Alaska is located in the far southern hemisphere, away from the sun in spring, and day and night are caused by Earth's rotation.

Alaska is located in the far northern hemisphere, away from the sun in winter, and day and night are caused by Earth's revolution.

Alaska is located in the far southern hemisphere, away from the sun in spring, and day and night are caused by Earth's revolution.

Explanation

The answer is "Alaska is located in the far northern hemisphere, away from the sun in spring, and day and night are caused by Earth's rotation."

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun). The day that the Earth's North Pole is tilted closest to the sun is called the summer solstice. It is also the day that the Sun reaches its highest point in the sky. The winter solstice, or the shortest day of the year, happens when the Earth's North Pole is tilted farthest from the Sun.

7

How long would each season be if Earth did NOT spin on its axis?

Earth's rotation causes day and night, not the seasons.

1 year

6 months

24 hours

Explanation

The answer is "Earth's rotation causes day and night, not the seasons."

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun).

The day that the Earth's North Pole is tilted closest to the sun is called the summer solstice. It is also the day that the Sun reaches its highest point in the sky. The winter solstice, or the shortest day of the year, happens when the Earth's North Pole is tilted farthest from the Sun.

8

Which of the following is primarily responsible for Earth's seasons?

revolution and tilt

rotation and tilt

revolution and rotation

revolution only

Explanation

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun).

9

Which answer choice best explains the cause of summer in the southern hemisphere?

The southern hemisphere receives more direct sunlight in the summer.

The north pole is tilted away from the sun in the summer.

The sun is closer to the Earth during the summer.

Earth's southern axis is tilted towards the sun during the summer in the northern hemisphere.

Explanation

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun).

The day that the Earth's North Pole is tilted closest to the sun is called the summer solstice. It is also the day that the Sun reaches its highest point in the sky. The winter solstice, or the shortest day of the year, happens when the Earth's North Pole is tilted farthest from the Sun.

10

What causes Earth's change of seasons?

Earth is closer to the sun for part of its revolution

Parts of Earth are tilted towards or away from the sun as it revolves

One half of Earth is facing the sun as it rotates

Parts of Earth are closer to the sun as it rotates

Explanation

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-circular path around the sun).

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