Year 8 Science - Exploring The Universe
(241).jpg "Year 8 Science - Exploring The Universe - Quiz")
This quiz will help you learn the questions on the worksheets. It will be useful for your exam!
Questions and Answers
- 1.
Name the planets in order from the sun.
- A.
Mercury Earth Neptune Uranus Mars Saturn Jupiter
- B.
Neptune Uranus Saturn Jupiter Mars Earth Venus Mercury
- C.
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
- D.
Sun Earth Moon Mars Jupiter Saturn Pluto MilkyWay
Correct Answer
C. Mercury Venus Earth Mars Jupiter Saturn Uranus NeptuneExplanation
The correct answer is Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune. This is the correct order of the planets in our solar system starting from the closest to the sun.Rate this question:
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- 2.
What is the collective name of the 4 inner planets?
- A.
Terrestrial planets
- B.
Rocky planets
- C.
Gas giants
- D.
Jovian planets
Correct Answer(s)
A. Terrestrial planets
B. Rocky planetsExplanation
The correct answer is Terrestrial planets, Rocky planets. The collective name for the 4 inner planets is Terrestrial planets or Rocky planets. These planets, namely Mercury, Venus, Earth, and Mars, are called terrestrial or rocky planets because they are primarily composed of solid materials, such as rocks and metals, and have a relatively small size compared to the outer gas giants.Rate this question:
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- 3.
What are the names of these 4 planets?
- A.
Mercury Venus Earth Mars
- B.
Mercury Earth Jupiter Uranus
- C.
Jupiter Saturn Uranus Neptune
- D.
Neptune Saturn Mars Venus
Correct Answer
A. Mercury Venus Earth MarsExplanation
The correct answer is Mercury Venus Earth Mars. These are the names of the four planets listed in the question.Rate this question:
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- 4.
What is the name of the planetoid that used to be a planet until 2007?
- A.
Neptune
- B.
Pluto
- C.
Red Dwarf
- D.
The moon
Correct Answer
B. PlutoExplanation
Pluto is the correct answer because it used to be considered the ninth planet in our solar system until 2007. However, in that year, the International Astronomical Union redefined the criteria for what qualifies as a planet, and Pluto no longer met those criteria. It was subsequently reclassified as a "dwarf planet" or "planetoid."Rate this question:
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- 5.
What did this planetoid loose planet status?
- 6.
What is the name of the galaxy we live in?
- A.
The Universe
- B.
The Solar System
- C.
Milky Way
- D.
Earth
Correct Answer
C. Milky WayExplanation
The correct answer is Milky Way. The Milky Way is the name of the galaxy we live in. It is a barred spiral galaxy that contains our solar system, along with billions of other stars, planets, and celestial objects. The Milky Way is visible as a faint band of light in the night sky and is home to countless other galaxies, making it a small part of the vast universe.Rate this question:
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- 7.
What are the names of the 4 outer planets?
- A.
Neptune Uranus Saturn Jupiter
- B.
Mercury Venus Earth Mars
- C.
Venus earth Mars Jupiter
- D.
Jupiter Saturn Uranus Mars
Correct Answer
A. Neptune Uranus Saturn JupiterExplanation
The correct answer is Neptune, Uranus, Saturn, and Jupiter. These four planets are commonly referred to as the outer planets because they are located beyond the asteroid belt in our solar system. They are also known as gas giants or ice giants, as they are primarily composed of gases such as hydrogen and helium, along with other elements. Neptune, Uranus, Saturn, and Jupiter are all significantly larger than the inner planets (Mercury, Venus, Earth, and Mars) and have distinct features such as rings and numerous moons.Rate this question:
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- 8.
What is the collective name of the 4 outer planets?
- A.
Gas Giants
- B.
Jovian planets
- C.
The outer planets
- D.
Terrestrial planets
Correct Answer(s)
A. Gas Giants
B. Jovian planetsExplanation
The correct answer is "Gas Giants" and "Jovian planets". Gas Giants and Jovian planets are the collective names for the four outer planets in our solar system: Jupiter, Saturn, Uranus, and Neptune. These planets are called Gas Giants because they are primarily composed of gases like hydrogen and helium. The term "Jovian planets" is derived from the planet Jupiter, which is the largest and most massive planet in our solar system. Both terms are commonly used to refer to these outer planets due to their similar characteristics and composition.Rate this question:
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- 9.
What is the asteroid belt?
- 10.
Where is the asteroid belt located?
- 11.
Which direction does the earth rotate?
- A.
Anti-clockwise
- B.
Clockwise
- C.
East to West
- D.
North to South
Correct Answer
A. Anti-clockwiseExplanation
The correct answer is anti-clockwise because the Earth rotates on its axis from west to east. This rotation is also known as counterclockwise or anticlockwise rotation. This can be observed by the movement of the Sun across the sky from east to west during the day.Rate this question:
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- 12.
What is the shape of the earth's orbit around the sun?
- A.
Round
- B.
Square
- C.
Elliptical
- D.
Triangular
Correct Answer
C. EllipticalExplanation
The shape of the earth's orbit around the sun is elliptical. This means that the orbit is not a perfect circle, but rather an elongated shape resembling an oval. The elliptical shape of the orbit causes the distance between the earth and the sun to vary throughout the year, resulting in the changing seasons.Rate this question:
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- 13.
What phenomenon does the Earth's rotation control?
- A.
The tides
- B.
Seasons
- C.
Day and night
- D.
Time
Correct Answer
C. Day and nightExplanation
The Earth's rotation controls the phenomenon of day and night. As the Earth rotates on its axis, different parts of the planet are exposed to the Sun's light, causing daylight in one area and darkness in another. This rotation is what determines the length of a day, with one complete rotation taking approximately 24 hours. The concept of day and night is fundamental to our understanding of time and plays a crucial role in various aspects of life on Earth.Rate this question:
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- 14.
What does perihelion mean?
- 15.
Equinox means: days in which _______ and _______ are of equal duration.
Correct Answer
Day and nightExplanation
Equinox refers to the days when the duration of day and night is equal. This occurs twice a year, when the tilt of the Earth's axis is inclined neither away from nor towards the Sun. During an equinox, the Sun is directly above the Earth's equator, resulting in approximately 12 hours of daylight and 12 hours of darkness.Rate this question:
- 16.
What is a leap year?
- 17.
What pehnomenon does the Earth's orbit control?
- A.
The year
- B.
Seasons
- C.
Day and night
- D.
Green House gas emissions
Correct Answer(s)
A. The year
B. SeasonsExplanation
The Earth's orbit controls the phenomenon of the year and seasons. The year is determined by one complete orbit of the Earth around the Sun, which takes approximately 365.25 days. As the Earth orbits the Sun, it also tilts on its axis, causing different parts of the Earth to receive varying amounts of sunlight throughout the year. This tilt is responsible for the changing of seasons, as different regions experience different temperatures and lengths of daylight. Therefore, the Earth's orbit directly influences the passage of time and the occurrence of seasons on our planet.Rate this question:
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- 18.
Why is it hotter at the equator than at the poles of the Earth?
- 19.
What is the name of the galaxy closest to ours?
- A.
Milky Way
- B.
Andromeda Galaxy
- C.
Magellanic Clouds
- D.
Dwarf galaxy
Correct Answer
B. Andromeda GalaxyExplanation
The Andromeda Galaxy is the correct answer because it is the closest galaxy to our Milky Way. It is located about 2.537 million light-years away from us and can be seen with the naked eye from Earth. The Andromeda Galaxy is a spiral galaxy similar in size and structure to our own galaxy, and it is expected to collide with the Milky Way in about 4 billion years.Rate this question:
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- 20.
What is the Universe?
- 21.
What does our Galaxy look like?
- 22.
Which solar body is most likely to sustain human life?
- A.
Moon
- B.
Mars
- C.
Jupiter
- D.
Andromeda
Correct Answer
B. MarsExplanation
Mars is the most likely solar body to sustain human life because it is the only option listed that is within our solar system and has conditions that are somewhat similar to Earth. Mars has a thin atmosphere, which provides some protection from radiation, and evidence suggests that there may have been water on its surface in the past. It is also closer to Earth, making it more feasible for humans to travel and potentially colonize in the future. The Moon does not have a breathable atmosphere or liquid water, Jupiter is a gas giant with extreme conditions, and Andromeda is not even in our solar system.Rate this question:
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