Earth Moon and the Sun Class 7 Worksheet with Answers Science Chapter 12

Our subject specific Class 7 Science Curiosity Worksheet and Class 7 Science Chapter 12 Earth Moon and the Sun Worksheet with Answers Pdf are aligned with latest patterns.

Class 7 Science Chapter 12 Earth Moon and the Sun Worksheet

Class 7 Earth Moon and the Sun Worksheet

Worksheet On Earth Moon and the Sun Class 7 – Earth Moon and the Sun Worksheet Class 7

A. Objective Type Questions

Multiple Choice Questions

Question 1.
Every day, the Sun appears to
(a) rise in the West and set in the East
(b) rise in the East and set in the West
(c) rise in the North and set in the South
(d) rise in the South and set in the North
Answer:
(b) rise in the East and set in the West

Question 2.
The Earth revolves around
(a) Itself
(b) Mars
(c) The Moon
(d) The Sun
Answer:
(d) The Sun

Question 3.
Why does the Moon appear to shine in the night sky?
(a) The Moon makes its light.
(b) The Moon reflects the Sun’s light.
(c) The Moon lights up when it becomes dark.
(d) The Moon reflects the Earth’s light.
Answer:
(b) The Moon reflects the Sun’s light.

Question 4.
Earth has seasons because
(a) the temperature of the Sun changes.
(b) Earth rotates on its axis.
(c) Earth’s axis is tilted as it moves around the Sun.
(d) The distance between Earth and the Sun changes.
Answer:
(c) Earth’s axis is tilted as it moves around the Sun.

Question 5.
The Moon takes how many days to revolve around the Earth?
(a) 15 days
(b) 30 days
(c) 29 days
(d) 27 days
Answer:
(d) 27 days

Question 6.
When sailors in ancient times noticed different Star patterns in the night sky during their journeys, what could best explain this change?
(a) Clouds covering the stars.
(b) Rotation of the Moon.
(c) Movement of Earth around the Sun.
(d) Stars changing their positions randomly.
Answer:
(c) Movement of Earth around the Sun.

Question 7.
On a particular afternoon, the sky suddenly darkens and the Sun becomes partially covered, even though the weather is clear. What event is most likely happening?
(a) A lunar eclipse
(b) A solar eclipse
(c) A thunderstorm is approaching
(d) A full Moon is rising
Answer:
(b) A solar eclipse

Question 8.
A boy notices that when it is daytime in India, it is nighttime in the USA. What is the reason behind this difference?
(a) The Moon blocks sunlight from reaching the USA.
(b) The USA is farther from the Sun.
(c) The Earth rotates, causing different areas to face the Sun at different times.
(d) Clouds block sunlight in the USA.
Answer:
(c) The Earth rotates, causing different areas to face the Sun at different times.

Question 9.
Why do places near the poles experience long days in summer and long nights in winter?
(a) The Earth spins faster near the poles.
(b) The Sun moves closer to the poles in summer.
(c) The tilt of Earth’s axis affects sunlight distribution during its revolution.
(d) The Moon reflects more light during polar summers.
Answer:
(c) The tilt of Earth’s axis affects sunlight distribution during its revolution.

Question 10.
If it is winter in Canada, what season is it in Australia, and why?
(a) Summer, because Australia is closer to the Sun.
(b) Spring, because Australia gets more rainfall.
(c) Summer, because the Southern hemisphere is tilted toward the Sun.
(d) Winter, because seasons are the same worldwide.
Answer:
(c) Summer, because the Southern hemisphere is tilted toward the Sun.

Fill in the Blanks

Question 1.
Fill in the blanks by using the suitable word given in the bracket.

(a) The Earth completes one rotation on its axis approximately every ______________ [26/24] hours, causing day and night.
Answer:
24

(b) The Earth revolves around the Sun in an elliptical orbit and completes one revolution in ______________ [365\(\frac{1}{2}\)/365\(\frac{1}{4}\)] days.
Answer:
365\(\frac{1}{4}\)

(c) The axis of the Earth is tilted at an angle of ______________ [23.5/24] degrees, which causes seasonal changes.
Answer:
23.5

(d) A ______________ [solar/lunar] eclipse occurs when the Moon comes between the Earth and the Sun.
Answer:
solar

(e) A ______________ [lunar/partial] eclipse occurs when the Earth comes between the Sun
and the Moon.
Answer:
lunar

(f) When the Northern hemisphere is tilted towards the Sun, it experiences ______________ [summer/spring] while the Southern hemisphere experiences winter.
Answer:
summer

(g) The ______________ [Sun/Moon] is the only natural satellite of the Earth.
Answer:
Moon

(h) The phenomenon of day and night occurs due to the ______________ [revolution/rotation] of the Earth.
Answer:
rotation

(i) The different shapes of the Moon seen from Earth are called the ______________ [phases/shapes] of the Moon.
Answer:
phases

(j) The longest day of the year in the Northern hemisphere occurs around ______________ [January/June] 21st.
Answer:
June

True/False

Put a (✓) with green sketch pen against the statements that are correct and a (✗) with red sketch pen against incorrect statements.

Question 1.
The Moon produces its light, which we see from Earth.
Answer:
F (✗)

Question 2.
One complete revolution of the Earth around the Sun takes about 365 days.
Answer:
T (✓)

Question 3.
The Earth’s rotation from East to West causes day and night.
Answer:
F (✗)

Question 4.
A lunar eclipse can only occur during a full Moon.
Answer:
T (✓)

Question 5.
The tilt of the Earth’s axis does not affect the seasons.
Answer:
F (✗)

Question 6.
During a solar eclipse, the Earth comes between the Sun and the Moon.
Answer:
F (✗)

Question 7.
The phases of the Moon are caused by changes in the Moon’s shape.
Answer:
F (✗)

Question 8.
The Sun appears to rise in the East and set in the West because of the Earth’s rotation.
Answer:
T (✓)

Question 9.
The same side of the Moon always faces the Earth.
Answer:
T (✓)

Question 10.
Summer and winter occur at the same time in both hemispheres.
Answer:
F (✗)

Match the Following

Question 1.
Match the columns and choose the correct option.

Answer:

Assertion-Reason Questions

The questions given below consist of an Assertion and a Reason. Based on that, choose the appropriate option.
(a) Both Assertion and Reason are true, and Reason is the correct explanation of Assertion.
(b) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) The assertion is true, but the Reason is false.
(d) The assertion is false, but the Reason is true.

Question 1.
Assertion: The Moon does not have an atmosphere.
Reason: The Moon is too small and has very low gravity.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
The Moon does not have an atmosphere because its gravity is too weak to hold gases around it. Since the Moon is much smaller than Earth, it can not trap gases to form an atmosphere.

Question 2.
Assertion: Seasons on Earth occur due to the rotation of the Earth on its axis.
Reason: Earth is tilted on its axis and revolves around the Sun.
Answer:
(d) The assertion is false, but the Reason is true.
Seasons occur not because Earth rotates on its axis, but the Earth is tilted on its axis and revolves around the Sun. The tilt causes different parts of the Earth to receive different amounts of Sunlight during the year.

Question 3.
Assertion: Solar eclipses do not occur every new Moon.
Reason: The orbit of the Moon is tilted compared to the orbit of the Earth around the Sun.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
The Moon’s orbit is tilted, so it usually misses the Sun during a new Moon. A solar eclipse happens only when the Sun, Moon, and Earth are in a straight line at the point where their paths cross.

Question 4.
Assertion: We always see the same side of the Moon from Earth.
Reason: The Moon takes the same time to rotate on its axis as it does to revolve around Earth.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
We always see the same side of the Moon from Earth because of a phenomenon called synchronous rotation. The Moon takes approximately 27.3 days to complete one rotation on its axis and the same amount of time to complete one revolution around the Earth. Because of this synchronised motion, the same hemisphere of the Moon always faces the Earth.

Question 5.
Assertion: The Sun appears to rise in the East and set in the West.
Reason: The Earth rotates from East to West.
Answer:
(c) A is true but R is false.
The Sun appears to rise in the East and set in the West due to the Earth’s rotation from West to East.

Case-Based Questions

Riya and her classmates went on a stargazing camp. At night, they observed the Moon, which appeared fully round and bright. Their teacher explained that it was a full moon and also mentioned that different phases of the Moon occur as it moves around the Earth. Riya noticed that the days were longer and warmer during this time of the year, and her teacher explained this happens because the Northern hemisphere is tilted toward the Sun during summer. The next morning, their teacher demonstrated how Earth’s rotation causes day and night. She used a torch to represent the Sun and a globe for the Earth. She also showed how solar and lunar eclipses happen when the Earth, Moon, and Sun come in a straight line. The class learned that the Earth revolves around the Sun, and that this journey takes 365\(\frac{1}{4}\) days to complete.

Question 1.
What caused the full Moon that Riya observed during the camp?
(a) The Moon is between the Earth and the Sun.
(b) The Earth is between the Moon and the Sun.
(c) The Moon reflects its light.
(d) The Moon is closest to the Earth.
Answer:
(b) The Earth is between the Moon and the Sun.

Question 2.
Why were the days longer and warmer during the camp?
(a) The Earth is closer to the Moon.
(b) The Sun is directly above the Earth.
(c) The Northern hemisphere is tilted toward the Sun.
(d) The Moon’s gravity increases sunlight.
Answer:
(c) The Northern hemisphere is tilted toward the Sun.

Question 3.
What was the purpose of using a torch and globe in the teacher’s demonstration?
(a) To show how the Moon revolves around the Earth.
(b) To explain how eclipses occur.
(c) To demonstrate the formation of craters.
(d) To show how Earth’s rotation causes day and night.
Answer:
(d) To show how Earth’s rotation causes day and night.

Question 4.
How many days does the Earth take to complete one full revolution around the Sun?
(a) 28 days
(b) 365\(\frac{1}{4}\) days
(c) 30 days
(d) 360 days
Answer:
(b) 365\(\frac{1}{4}\) days

B. Subjective Type Questions

Define the following terms

Question 1.
Eclipse
________________________________________________________

Question 2.
Solar eclipse
________________________________________________________

Question 3.
Lunar eclipse
________________________________________________________

Question 4.
Rotation of Earth
________________________________________________________

Very Short Answer Type Questions

Question 1.
Name the natural satellite of the Earth.
________________________________________________________

Question 2.
Why do we always see the same side of the Moon?
________________________________________________________

Question 3.
What causes day and night on Earth?
________________________________________________________

Question 4.
What is a new Moon day?
________________________________________________________

Question 5.
Name the phase of the Moon when it appears fully round.
________________________________________________________

Question 6.
Which heavenly body is the main source of heat and light for the Earth?
________________________________________________________

Question 7.
Name the imaginary line on which the Earth rotates.
________________________________________________________

Short Answer Type Questions

Question 1.
What will happen if the Earth is not tilted on its axis?
________________________________________________________
________________________________________________________

Question 2.
Why is it dangerous to look directly at a solar eclipse with the naked eye?
________________________________________________________
________________________________________________________

Question 3.
How does the revolution of the Moon around the Earth cause tides on Earth?
________________________________________________________
________________________________________________________

Question 4.
Why can astronauts on the Moon not hear each other even if they shout?
________________________________________________________
________________________________________________________

Question 5.
How would life be different if the Moon were not present around Earth?
________________________________________________________
________________________________________________________

Question 6.
Why does the Moon not fall onto the Earth even though Earth attracts it?
________________________________________________________
________________________________________________________

Question 7.
If a person lives at the North Pole, would they experience day and night every 24 hours? Why or why not?
________________________________________________________
________________________________________________________

Question 8.
Why does the Moon appear to change its shape every night, but the Sun doesn’t?
________________________________________________________
________________________________________________________

Long Answer Type Questions

Question 1.
Fill in the table with correct information about solar and lunar eclipses.

________________________________________________________
________________________________________________________
________________________________________________________

Question 2.
Draw and label the diagrams:
(a) Total and partial solar eclipse
________________________________________________________
________________________________________________________
________________________________________________________

(b) Total and partial lunar eclipse
________________________________________________________
________________________________________________________
________________________________________________________

Question 3.
Why do the Sun, the Moon, and the Earth not lie in the same line on every full Moon and new Moon day?
________________________________________________________
________________________________________________________
________________________________________________________

Question 4.
When a total solar eclipse occurs why is the partial eclipse also seen from the Earth?
________________________________________________________
________________________________________________________
________________________________________________________

Question 5.
Write about the characteristics of solar eclipses.
________________________________________________________
________________________________________________________
________________________________________________________

Skill-Based Activities

Question 1.
Choose the odd one out and justify the correct choice:
(a) Solar eclipse, lunar eclipse, full Moon, partial solar eclipse
________________________________________________________

(b) Earth’s rotation, Earth’s revolution, Earth’s orbit, Moon’s phases
________________________________________________________

(c) Sun, Moon, Stars, Earth
________________________________________________________

(d) Day, year, eclipse, month
________________________________________________________

Question 2.
Tick the correct option for the following.
(a) Solar Eclipse

________________________________________________________

(b) Apogee position of the Moon.

________________________________________________________

The post Earth Moon and the Sun Class 7 Worksheet with Answers Science Chapter 12 appeared first on Learn CBSE.