Physics for IGCSE & O level - The Earth In Space (Section 12)
1
Which of the following is the smallest?
2
What is the name of the natural satellite of Earth?
3
Which planet has the highest surface temperature?
4
What is the name given to a group of stars, dust, and gas held together by gravity?
5
What is found in the Solar System?
6
Which term describes the force that causes objects to orbit one another?
7
What happens to the core of a star at the end of its life?
Svare(C)
It becomes a white dwarf.
8
What is the process that causes the expansion of the universe?
9
Svare(B)
The distance light travels in a year
10
What does the Hubble constant help to determine?
11
Which of the following are the outer planets?
13
What is the distance light travels in a year called?
14
Which of the following is the most massive type of star?
15
What are the main factors that cause seasons?
Svare(B)
The tilt of Earth's axis and its orbit around the Sun
16
What is the source of energy released during nuclear fusion in the Sun?
17
What is a major cause for the change of seasons?
18
What does the Earth's rotation cause?
19
Which planet is closest to the Sun?
20
What is the name of the process that supplies the sun with its energy?
21
What is the Earth's atmospheric composition primarily made of?
22
What are the components of a star's life cycle?
23
Which of the following are inner planets?
24
What are the two main elements that make up the Sun?
25
What is the name of the galaxy closest to ours?
26
What term describes the expansion of the universe?
27
Svare(B)
The distance light travels in one year
28
What kind of a star is the sun?
29
What is an example of a natural satellite?
30
What causes the Earth to have seasons?
31
What are the main components of the Sun?
32
What is the name of our galaxy?
33
What does the inverse square law describe in relation to gravitation?
Svare(C)
The gravitational force decreases with the square of the distance
34
Which of these are outer planets?
35
What is a natural satellite?
36
What causes the seasons on Earth?
Svare(B)
The tilt of the Earth's axis of rotation
37
Which type of orbit do comets usually have?
38
What is the approximate age of the universe?
39
Which planet is known for its prominent ring system?
40
What does the Earth's movement around the Sun create?
41
How are galaxies described in relation to an expanding universe?
Svare(A)
They are expanding away from each other.
42
What is formed when the core of the most massive stars collapse?
Svare(D)
Neutron star or Black hole
43
In the Sun, what two elements combine to form Helium?
44
Which is the hottest planet in our Solar System?
45
What is the significance of red shift in light from distant galaxies?
Svare(B)
It indicates the galaxies are moving away from us.
46
What are the rings of Saturn primarily made of?
47
Svare(B)
The distance light travels in a year
48
How does the Sun's energy reach us?
49
What causes day and night?
Svare(C)
The Earth rotating on its axis
50
Which of the following is a key idea discussed in the context of the Earth and the Universe?
