Multiple Choice
1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point)
comet
asteroid
dwarf planet
planet
2. Which of the following statements about the solar system’s formation is true? (1 point)
The temperature was very cold.
Gravity pulled together a cloud of gas and dust.
Objects formed from the same materials.
The planets formed at the same distance from the sun.
3. Which of the following two physical components do the sun and the Earth have in common? (1 point)
core and mantle
core and atmosphere
crust and atmosphere
mantle and crust
4. Which of the following is true about all of the outer planets? (1 point)
Much of the material in these planets is solid.
The surface of these planets is rocky.
They have many moons.
They all rotate in the same direction.
5. Which of the following outer planets is known for having visible clouds in its atmosphere? (1 point)
Uranus
Neptune
Saturn
Jupiter
6. Which of the following do the objects in the four categories of small objects in the solar system all have in common? (1 point)
They all orbit the sun.
They can all be found in the Oort cloud.
They all contain a nucleus.
They all are made of gas and ice.
7. Which of the following happens to the temperature of gases as they reach the top of the sun’s convection zone? (1 point)
It increases.
It decreases.
It does not change.
There is no way to tell what happens.
8. Which of the following does a star’s absolute brightness depend on? (1 point)
distance and temperature
size and temperature
color and temperature
distance and color
9. Which of the following factors determines whether a protostar becomes a star? (1 point)
surface temperature
age
color
mass
10. Why do astronauts feel weightless in orbit? (1 point)
There is no gravity in space.
They have no mass in space.
They have negative weight in space.
They are falling through space with their spacecraft.
11. Which of the following types of galaxies is the Milky Way an example of? (1 point)
spiral galaxy
elliptical galaxy
irregular galaxy
globular cluster
12. Which of the following is one of the main uses of satellites? (1 point)
launching deep-space expeditions
controlling the weather
observing Earth’s surface
preventing ozone depletion
13. Which of the following two planets are closer to the sun than Earth? (1 point)
Mars and Jupiter
Venus and Mars
Mercury and Venus
Mars and Saturn
c
b
b
d
a
b
d
a
c
c
its
1.c
2.b
3.b
4.c
5.A
6.b
7.b
8.d
9.a
10.c
11.c
ev_linging is 100% correct
ev_linging is correct!!!
I think it’s C what about you ?
To answer these questions, you would need to consider the given options and eliminate the incorrect ones. Here are the explanations for each question:
1. The correct answer is c) dwarf planet. To determine the answer, you need to understand the characteristics of each option. In this case, a dwarf planet refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit.
2. The correct answer is b) Gravity pulled together a cloud of gas and dust. To answer this question, you need to have knowledge about the formation of the solar system. Gravity pulling together a cloud of gas and dust is the most widely accepted theory for the formation of the solar system.
3. The correct answer is d) mantle and crust. To answer this question, you need to have knowledge about the physical components of the sun and the Earth. Both the sun and the Earth have a mantle and a crust.
4. The correct answer is c) They have many moons. To answer this question, you need to understand the characteristics of the outer planets. One of the common characteristics of the outer planets is that they have many moons.
5. The correct answer is d) Jupiter. To answer this question, you need to have knowledge about the outer planets and their characteristics. Jupiter is known for having visible clouds in its atmosphere.
6. The correct answer is a) They all orbit the sun. To answer this question, you need to have knowledge about the objects in the four categories of small objects in the solar system. One common characteristic of these objects is that they all orbit the sun.
7. The correct answer is b) It decreases. To answer this question, you need to understand what happens to the temperature of gases as they reach the top of the sun's convection zone. The temperature decreases as the gases move away from the energy source of the sun's core.
8. The correct answer is a) distance and temperature. To answer this question, you need to know what factors affect a star's absolute brightness. The absolute brightness of a star depends on its distance from the observer and its temperature.
9. The correct answer is d) mass. To answer this question, you need to understand what determines whether a protostar becomes a star. The mass of the protostar is the key factor that determines whether it becomes a star.
10. The correct answer is d) They are falling through space with their spacecraft. To answer this question, you need to know why astronauts feel weightless in orbit. Astronauts in orbit experience a sensation of weightlessness because they are constantly falling towards the Earth due to the gravitational pull while moving forward with enough speed to keep missing it.
11. The correct answer is a) spiral galaxy. To answer this question, you need to have knowledge about the types of galaxies. The Milky Way is classified as a spiral galaxy.
12. The correct answer is c) observing Earth's surface. To answer this question, you need to know the main uses of satellites. One of the main uses of satellites is to observe Earth's surface for various purposes, such as weather forecasting, mapping, and monitoring environmental changes.
13. The correct answer is c) Mercury and Venus. To answer this question, you need to know the positions of planets in relation to the sun. Both Mercury and Venus are closer to the sun than Earth.