A
Explanation:
Introduction:
Do you know what happens when it’s day and night? This day and night quiz for grade 2 will test your knowledge and understanding of the different conditions of day and night. With 20 questions and answers that are focused on the various features of day and night, teachers and students alike can expand their knowledge base.
Q1: What time of the day is usually referred to as “dawn”?
Options:
A: 10am
B: 6pm
C: 12am
D: 4am
Answer: D
Explanation: Dawn refers to the first light of the day, which usually occurs at about 4am.
Q2: Which is the longest day of the year?
Options:
A: Summer Solstice
B: Winter Solstice
C: Autumnal Equinox
D: Spring Equinox
Answer: A
Explanation: The longest day of the year occurs during the summer solstice, which usually falls on the 21st or 22nd of June.
Q3: Why is the sky darker at night compared to the day?
Options:
A: The sun is a red giant
B: The light is blocked by clouds
C: The sun has stopped shining
D: The Earth is tilted on its axis
Answer: D
Explanation: During the night, the Earth is tilted such that the side of the planet away from the sun has less direct access to the sun’s rays, leading to a darker sky.
Q4: What is the most common color that is seen in the sky during the day?
Options:
A: Blue
B: Orange
C: Red
D: Grey
Answer: A
Explanation: On a bright sunny day, the bluest part of the sky is the upper atmosphere in which temperature is the lowest, causing air molecules to scatter the blue part of the light spectrum and giving it its usual blue hue.
Q5: How long does a night last?
Options:
A: About 4 hours
B: About 6 hours
C: About 12 hours
D: About 24 hours
Answer: D
Explanation: A night typically lasts about 24 hours, from sunset to sunrise of the following day.
Q6: What does the crescent moon look like?
Options:
A: Half circle
B: Semi circle
C: Three-quarters circle
D: Whole circle
Answer: B
Explanation: The crescent moon is shaped like a semi-circle, usually seen during the first and last phases of the moon’s cycle.
Q7: How often do solar and lunar eclipses occur?
Options:
A: Daily
B: Monthly
C: Yearly
D: Every 18 years
Answer: C
Explanation: Solar and lunar eclipses both occur yearly, though they are not seen in the same locations around the world.
Q8: What is the name of the bright, white light that can be seen during the night?
Options:
A: Moon
B: Stars
C: Sun
D: Meteor
Answer: B
Explanation: Stars create a bright, white light that can be seen in the night sky.
Q9: What is the longest day of the year in the Northern Hemisphere?
Options:
A: Winter Solstice
B: Autumn Equinox
C: Spring Equinox
D: Summer Solstice
Answer: D
Explanation: The longest day of the year in the Northern Hemisphere is the Summer Solstice, which usually falls on the 21st or 22nd of June.
Q10: What is the difference between an eclipse and a solstice?
Options:
A: An eclipse is when the moon passes between the sun and Earth, while a solstice marks the longest and shortest days of the year
B: An eclipse is when the moon passes in front of the sun, while a solstice marks the longest and shortest days of the year
C: An eclipse is when the sun passes between the moon and Earth, while a solstice marks the longest and shortest days of the year
D: An eclipse is when the sun passes in front of the moon, while a solstice marks the longest and shortest days of the year
Answer: B
Explanation: An eclipse is when the moon passes in front of the sun, while a solstice marks the longest and shortest days of the year.
