Welcome to your GRADE 7 SOCIAL STUDIES CHAPTER 1
After carefully reading the following 30 questions, choose the correct answer.
1.
According to geologists, approximately how many years ago was the Earth formed?
2.
Which of the following gases largely made up the flammable hot swirling gases from which the solar system formed?
3.
What is the approximate distance from the sun to the Earth?
4.
Which celestial object was reclassified as a "dwarf planet" in August 2006?
5.
What term do astronomers use for inner planets because they have solid and rocky surfaces?
6.
Which planet is the third nearest to the sun?
7.
Where is the main asteroid belt located in our solar system?
8.
What are broken pieces of asteroids called?
9.
What describes the movement of the Earth on its own axis?
10.
What is the scientific term for the Earth's shape, which is not perfectly round?
11.
Which component of the Earth includes all water surfaces such as oceans, seas, and lakes?
12.
What is the central layer of the Earth composed of nickel and iron?
13.
Which layer is the outer surface or layer of the Earth?
14.
What type of rock shows a layered arrangement?
15.
Which movement of the Earth is responsible for the occurrence of seasons?
16.
What are naturally occurring inorganic solids with a specific internal structure called?
17.
What is molten rock beneath the surface of the Earth called?
18.
Which rock type is commonly used for road and bridge construction according to the text?
19.
What are the days called when day and night are of equal duration?
20.
Mineral fuels like coal and petroleum are typically associated with which type of rock?
21.
Which layer of the Earth is found between the crust and the core?
22.
What is the envelope of air that surrounds the Earth?
23.
Which of the following is an effect of the Earth's rotation?
24.
What is the solid or rock part of the Earth called?
25.
Which star is the center of our solar system?
26.
What are the patterns of stars seen in the sky called?
27.
Which type of rock is formed from the cooling of magma or lava?
28.
What provides the pulling force that binds the solar system?
29.
Which planet is known as a "gas giant"?
30.
What are the days called when the Sun reaches its farthest northern and southern declinations?
