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A. Fill in the blanks.
1. A __________ is a huge ball of burning gases.
2. __________ is the hottest planet of the solar system.
3. Inner planets are also called __________ planets
4. Earth was formed from the cloud of __________.
5. It rains for most of the days during __________ season.
B. Choose the correct answer.
1. Which of the following planet was discovered after the invention of telescope?
a. Mercury b. Venus c. Neptune d. Jupiter
2. Which of the following planet has rings made of rock and ice?
a. Jupiter b. Saturn c. Earth d. Mars
3. __________ can be active, dormant and extinct.
a. Planet b. Star c. Volcano d. Constellation
4. __________ takes 88 days to complete a revolution around the Sun.
a. Mercury b. Venus c. Earth d. Mars
5. __________ season has cooler and shorter days.
a. Summer b. Spring c. Autumn d. Winter
C. Answer the following questions.
1. What is axis? At what angle is the Earth’s axis tilted? ________________________________________________________________________________________________________________________________________________________________________________________________
2. What do we mean by solar system? ________________________________________________________________________________________________________________________________________________________________________________________________
3. What are dormant volcanoes? ________________________________________________________________________________________________________________________________________________________________________________________________
4. Why is noon the hottest part of the day? ________________________________________________________________________________________________________________________________________________________________________________________________
D. Draw and label the various layers of the earth.
Answers
Answer:-
A) Fill in the blanks:-
1) A star is a big ball of gas.
2)Venus is the hottest planet of the solar system
3)Inner planets are also called Terrestrial planets
4)Earth was formed from the cloud of dust and gas
5)It rains for most of the days during monsoon season.
B) Choose the correct answer:-
1)a)Mercury
2)b)Saturns
3)c) Volcano
4)a)Mercury
5)d)Winter
C) Answer the following questions:-
1)An axis is an imaginary line that passes through the origin point of a geometric coordinate system. The axis of rotation of the Earth is tilted at an angle of 23.5 degrees away from vertical, perpendicular to the plane of our planet's orbit around the sun.
2)The Solar System is the Sun and all the objects that orbit around it. The Sun is orbited by planets, asteroids, comets and other things. ... It contains 99.9% of the Solar System's mass. This means that it has strong gravity.
3)Dormant volcanoes are volcanoes that have not erupted in a long time but are expected to erupt again in the future.
4)t may feel hotter at the noon hour because we are getting the most energy from the sun at that time. However, Earth is storing incoming energy or heat throughout the day. ... As the sun rises, the solar radiation heats the ground.