Day And Night Worksheets Answer Key

Day and Night Worksheets Answer Key

What are Day and Night Worksheets?

Day and Night Worksheets are educational materials designed to help students understand the concept of day and night, and the factors that cause these natural phenomena. These worksheets typically include various activities and questions that aim to reinforce the learning of this topic.

Answer Key for Day and Night Worksheets

Below is the answer key for the Day and Night Worksheets:

Worksheet 1: Identifying Day and Night

Question 1: What causes day and night?
Answer: The rotation of the Earth on its axis causes day and night.

Question 2: How long does it take for the Earth to rotate once on its axis?
Answer: It takes approximately 24 hours for the Earth to complete one rotation.

Question 3: Why do we experience day and night?
Answer: We experience day and night because when one side of the Earth faces the sun, it is daytime, and when the other side faces away from the sun, it is nighttime.

Worksheet 2: Earth’s Rotation and Revolution

Question 1: What is the difference between Earth’s rotation and revolution?
Answer: Earth’s rotation refers to its spinning on its axis, causing day and night. Earth’s revolution refers to its movement around the sun, causing the change of seasons.

Question 2: How long does it take for the Earth to complete one revolution around the sun?
Answer: It takes approximately 365.25 days for the Earth to complete one revolution around the sun, resulting in a leap year every four years.

Question 3: What causes the change of seasons on Earth?
Answer: The change of seasons is caused by the tilt of the Earth’s axis as it revolves around the sun. This tilt causes different parts of the Earth to receive varying amounts of sunlight throughout the year.

Worksheet 3: Day and Night Time Zones

Question 1: Why do different parts of the world have different times of day?
Answer: Different parts of the world have different times of day due to the Earth’s rotation and the establishment of time zones. Each time zone represents a different portion of the Earth’s surface where the local time is the same.

Question 2: How many time zones are there in the world?
Answer: There are 24 time zones in the world, each approximately 15 degrees of longitude wide.

Question 3: What is the International Date Line?
Answer: The International Date Line is an imaginary line located at approximately 180 degrees longitude. When crossing this line from west to east, one day is added, and when crossing from east to west, one day is subtracted.

Remember to refer to the specific worksheets for additional questions and activities to further enhance your understanding of day and night.