Physics for IGCSE & O level - The Earth In Space (Section 11)
1
What happens to the star when it runs out of hydrogen?
คำตอบ(C)
It cools and becomes a red giant.
2
How is energy transported from the core of the sun?
คำตอบ(C)
By radiation and convection
3
What is the approximate diameter of the Sun?
4
What do scientists use to estimate the age of the Universe?
5
What type of energy is released by nuclear reactions in the sun?
6
What causes the Earth to have seasons?
คำตอบ(C)
The tilt of Earth on its axis
7
What is the Earth's axis?
คำตอบ(A)
An imaginary line through the center of the Earth
8
Where does the sun produce most of its energy?
9
Which of the following is a characteristic of a black hole?
คำตอบ(B)
The result of a supernova explosion
10
What is the shape of the Earth's orbit around the Sun?
11
Which of these objects are examples of satellites?
12
What causes the phases of the moon?
คำตอบ(C)
The sun's light reflecting off the Moon as it orbits Earth
13
What is the name of the force that initially causes a nebula to collapse?
14
What happens to the core of a massive star during a supernova?
คำตอบ(B)
It collapses to form a neutron star or black hole
15
What is the name of the most massive stars?
16
How long does it take for the Moon to orbit Earth?
17
In the lifecycle of a star, what follows the main sequence?
18
What causes the seasons on Earth?
19
Which element is the Sun using for nuclear fuel?
20
Which of the following is an example of a natural satellite?
21
What is the name of the largest planet in our solar system?
22
What causes the phases of the moon?
คำตอบ(C)
Changing angles of sunlight on the moon
23
คำตอบ(C)
Small pieces of space debris burning up in Earth's atmosphere
24
The Earth is at its lowest average temperature in which month?
25
What is the period of the orbit of a satellite?
คำตอบ(A)
The time it takes to orbit the Earth.
26
What is the speed of light, in kilometers per second?
27
What is the distance of Earth from the Sun?
28
What type of orbit do comets have?
29
Which planet is the brightest object in the night sky after the Moon?
30
Which planet has a large red spot?
31
What is the Earth's largest natural satellite?
32
What is the approximate diameter of Earth?
33
What are the days and nights caused by?
คำตอบ(C)
The Earth spinning on its axis
34
What type of orbit do most satellites have?
35
What type of object is the Moon?
36
What is the Earth's rotation period?
37
What is the process by which a star fuses lighter elements into heavier ones?
38
What element will remain in the core after a star runs out of hydrogen fuel?
39
What is the correct order of some planets outward from the sun?
คำตอบ(A)
Mercury, Venus, Earth, Mars, Jupiter
40
What is the force that keeps objects in orbit around each other?
41
Which planet is closest to the Earth?
42
How do you measure the distance of a galaxy moving away from Earth?
43
How many days does it take for the Earth to orbit the Sun?
44
What is the time it takes for Earth to make a full rotation?
45
What is the name of our galaxy?
46
Which of the following planets is an inner planet?
47
What is the approximate distance from the Sun to Earth?
48
Which planet has a distinctive ring system?
49
What is the name of the galaxy that the sun is located in?
50
What is the approximate time it takes for the Moon to orbit Earth?
