Grade 3 Objective Testing - Outer Space
After reading the given passage, "Outer Space", the 3rd grade student will understand Earth's relationship to the Moon and the Sun in outer space. He or she will then read through and answer 30 objective questions created in the following formatted options: multiple choice, fill-in-the-blank, true-false, short answer, and matching, and will select the best correct answer with 80% accuracy. Outer Space, by Meish GoldfishFrom far out in space, Earth looks like a blue ball. Since water covers three-fourths of the Earth’s surface, blue is the color we see most. The continents look brown, like small islands Read morefloating in the huge, blue sea. White clouds wrap around the Earth like a light blanket. The Earth is shaped like a sphere, or a ball. It is 25,000 miles around! It would take more than a year to walk around the whole planet. A spaceship can fly around the widest part of the sphere in only 90 minutes.
Even though spaceships have traveled to the Moon, people cannot visit the Moon without special suits. The Moon has no air or water. Plants and animals can’t live there either. Astronauts first landed on the Moon in 1969. After that, there were six more trips to the Moon. They brought back Moon rocks, which scientists are still studying. There are holes, or craters, all over the Moon’s surface. Scientists believe that meteorites smashed into the Moon millions of years ago and formed the craters.
The Sun is the closest star to
- 1.
Read the following passage, "Outer Space", by Meish Goldfish to answer the following 30 questions. Select the best answer choice for each of the first 6 questions given below.What does Earth look like from outer space?
- A.
A flat piece of land.
- B.
A tiny person.
- C.
A blue ball.
- D.
A box.
- E.
A green clump.
Correct Answer
C. A blue ball.Explanation
From the given passage, it is mentioned that Earth looks like a "blue ball" from outer space.Rate this question:
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- 2.
What form is Earth's shape?
- A.
An oval.
- B.
A square.
- C.
A rectangle.
- D.
A sphere.
- E.
No shape.
Correct Answer
D. A spHere.Explanation
The correct answer is a sphere. This is because Earth is not perfectly round, but it is an oblate spheroid, meaning it is slightly flattened at the poles and bulging at the equator. This shape is a result of Earth's rotation, which causes the equator to experience centrifugal force, pushing material away from the center and causing the bulge. Overall, Earth's shape is closest to that of a sphere.Rate this question:
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- 3.
What looks like small islands?
- A.
Animals
- B.
People
- C.
Continents
- D.
Bugs
- E.
Cars
Correct Answer
C. ContinentsExplanation
Continents are massive land masses that are surrounded by water, giving them the appearance of small islands when viewed from space or a distance. They are much larger than islands and are home to a variety of ecosystems, diverse cultures, and numerous countries.Rate this question:
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- 4.
What is the total distance around Earth?
- A.
10 miles
- B.
250 miles
- C.
1000 miles
- D.
25,000 miles
- E.
250,000 miles
Correct Answer
D. 25,000 milesExplanation
The correct answer is 25,000 miles because this is the approximate circumference of the Earth. The Earth is a sphere, and the distance around a sphere is calculated using the formula 2Ï€r, where r is the radius of the sphere. The radius of the Earth is approximately 3,963 miles, so the circumference is approximately 2Ï€(3,963) = 24,901 miles. Rounded to the nearest thousand, this is 25,000 miles.Rate this question:
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- 5.
In order to visit the moon, what do people need?
- A.
Extra money.
- B.
To wear shoes.
- C.
To wear special suits.
- D.
To bring an umbrella.
- E.
To bring plants and animals.
Correct Answer
C. To wear special suits.Explanation
When visiting the moon, people need to wear special suits to protect themselves from the harsh environment, including extreme temperatures, lack of atmosphere, and radiation. These suits provide them with oxygen, regulate temperature, and protect them from the vacuum of space. Extra money, shoes, umbrellas, plants, and animals are not necessary for visiting the moon.Rate this question:
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- 6.
When did astronauts first land on the moon?
- A.
Last year
- B.
In 196 B.C.
- C.
In 1996
- D.
In 1966
- E.
In 1969
Correct Answer
E. In 1969Explanation
Astronauts first landed on the moon in 1969. This was a significant milestone in human history and was achieved during the Apollo 11 mission. The landing was a culmination of years of research, development, and testing by NASA. The mission was led by astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins. Armstrong famously took the first step onto the lunar surface and proclaimed, "That's one small step for man, one giant leap for mankind." The moon landing marked a major achievement in space exploration and opened up new possibilities for future missions.Rate this question:
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- 7.
Complete each of the following sentences below by filling in the correct missing information.Earth's surface is mostly blue because ___________ is covered by water.
Correct Answer
3/4
three-fourths
most of the earth's surface
more than halfExplanation
The correct answer is 3/4, three-fourths, most of the earth's surface, more than half. This is because approximately 71% of the earth's surface is covered by water, which is equivalent to three-fourths or more than half of the total surface area. This large amount of water gives the earth's surface a predominantly blue appearance.Rate this question:
- 8.
The moon has no _________ or _________.
Correct Answer
air, water
water, air
air, h2oExplanation
The moon has no air or water. This means that there is no atmosphere or liquid water on the moon's surface. The lack of air means that there is no oxygen for living organisms to breathe, and the lack of water means that there is no liquid for life to exist or for weather patterns to occur. The moon's surface is dry and airless, making it inhospitable for life as we know it.Rate this question:
- 9.
Humans without suits, ________ and ________ cannot live on the moon.
Correct Answer
plants, animals
animals, plantsExplanation
The correct answer is "plants, animals". This means that humans without suits cannot live on the moon without the presence of plants and animals. The presence of plants is essential for providing oxygen through photosynthesis, while animals play a crucial role in maintaining the ecosystem and food chain. Therefore, without these two components, sustaining human life on the moon would be impossible.Rate this question:
- 10.
Astronauts in outer space see _________ _________ wrap around the Earth like a light blanket.
Correct Answer
white cloudsExplanation
Astronauts in outer space see white clouds wrap around the Earth like a light blanket because clouds appear white from space due to the reflection of sunlight off their water droplets or ice crystals. This phenomenon creates a beautiful and serene view of the Earth's atmosphere from above.Rate this question:
- 11.
Scientists believe that ____________ smashed into the Moon millions of years ago and formed the ____________.
Correct Answer
meteorites, cratersExplanation
Scientists believe that meteorites, which are small celestial objects that enter the Earth's atmosphere, smashed into the Moon millions of years ago. These impacts created craters on the Moon's surface.Rate this question:
- 12.
The Sun is the closest _________ to Earth.
Correct Answer
starExplanation
The Sun is the closest star to Earth. This is because the Sun is located at the center of our solar system and all the planets, including Earth, orbit around it. While there are billions of stars in the universe, the Sun is the closest one to us, providing us with heat, light, and energy.Rate this question:
- 13.
Please see the next 6 sentences and select whether the statement is either true or false. It would take more than a year to walk around the whole planet.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because the Earth's circumference is approximately 40,075 kilometers (24,901 miles). If a person were to walk continuously without stopping, it would take them more than a year to cover this distance.Rate this question:
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- 14.
The moon has air and water.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The moon has NO air and water.Rate this question:
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- 15.
The moon is the closest star to Earth
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
It is false because the "Sun" is the closest star to Earth.Rate this question:
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- 16.
The astronauts traveled to the moon another ten more years after the initial visit to the moon.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Astronauts traveled another 6 more years to the moon after the initial visit in 1969.Rate this question:
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- 17.
Today, scientists are still studying moon rocks that were brought back from the original first visit to the moon.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Scientists are still studying moon rocks that were brought back from the original first visit to the moon. This suggests that the statement is true. The fact that scientists are still studying these rocks indicates that there is ongoing research and analysis being conducted on the samples collected during the first moon landing. This research could provide valuable insights into the moon's composition, geological history, and potentially even the origins of the solar system.Rate this question:
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- 18.
The burning gases from the Sun are so hot that they warm the Earth from 93 million miles away.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because the Sun's burning gases emit a tremendous amount of heat and energy. Despite being 93 million miles away from the Earth, the heat from the Sun reaches our planet and warms it. This is due to the process of radiation, where the Sun's energy is transmitted through space in the form of electromagnetic waves. These waves include heat and light, which are absorbed by the Earth's atmosphere and surface, causing the planet to warm up.Rate this question:
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- 19.
For these questions, you simply need to define or explain the following. From far away in Space, what is the main color of earth and why?
- A.
The main color of earth is blue because 3/4 of the earth is covered by water.
- B.
The main color of earth is brown because of the continents.
Correct Answer
A. The main color of earth is blue because 3/4 of the earth is covered by water.Explanation
The main color of Earth is blue because 3/4 of the Earth is covered by water.Rate this question:
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- 20.
What is found all over the moons surface and what are they called?
- A.
There are holes all over the moon's surface and they are called craters.
- B.
There are holes all over the moon's surface and the are called meteorites.
Correct Answer
A. There are holes all over the moon's surface and they are called craters.Explanation
The correct answer is that there are holes all over the moon's surface and they are called craters. Craters are formed when meteoroids or asteroids collide with the moon's surface, causing an impact that creates a depression or hole. These craters can range in size from small to large and can be found all over the moon's surface.Rate this question:
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- 21.
What caused the moon's surface appearance to be the way it is today?
- A.
Scientists believe that meteorites smashed into the Moon millions of years ago and formed the craters.
- B.
Scientists believe that the astronauts smashed rocks into the Moon and formed the craters.
Correct Answer
A. Scientists believe that meteorites smashed into the Moon millions of years ago and formed the craters.Explanation
The correct answer is that scientists believe meteorites smashed into the Moon millions of years ago and formed the craters. This explanation is based on scientific evidence and research. Meteorite impacts are known to have occurred on the Moon's surface, and the craters are a result of these impacts. The presence of craters on the Moon's surface is widely accepted in the scientific community and is supported by various studies and observations.Rate this question:
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- 22.
Why are the two reasons why the sun look so big?
- A.
The Sun looks very big because it is so close to earth and is the closest star to earth.
- B.
The Sun looks very big because it is so close and is bigger than any star.
Correct Answer
A. The Sun looks very big because it is so close to earth and is the closest star to earth.Explanation
The Sun appears very big because of its proximity to Earth and its status as the closest star. Being relatively close to our planet makes it appear larger in our perspective compared to other stars. Additionally, the Sun's size itself contributes to its apparent largeness, as it is bigger than any other star.Rate this question:
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- 23.
Why is it that even though the Sun is always glowing, the night here on Earth is dark?
- A.
Because the Earth rotates, or turns around, every 24 hours
- B.
Because the Earth is always dark and moves away from the sun.
Correct Answer
A. Because the Earth rotates, or turns around, every 24 hoursExplanation
The Earth rotates on its axis every 24 hours, causing different parts of the Earth to face towards or away from the Sun at different times. During the day, the part of the Earth facing the Sun receives sunlight, making it bright. However, during the night, that part of the Earth is facing away from the Sun, resulting in darkness. Therefore, even though the Sun is always glowing, the night here on Earth is dark due to the rotation of the Earth.Rate this question:
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- 24.
How does earth remain warm?
- A.
The Sun is close to earth and the burning gases from the Sun are so hot.
- B.
The earth produces burning gases and are so hot.
Correct Answer
A. The Sun is close to earth and the burning gases from the Sun are so hot.Explanation
The correct answer explains that the Earth remains warm because the Sun is close to it and the burning gases from the Sun are extremely hot. This suggests that the Sun's proximity to the Earth allows it to emit heat and radiation, which in turn warms the Earth's surface and atmosphere.Rate this question:
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- 25.
Match the following numbered items, 1 through 6, to the correct information lettered A through F below.1. Earth's surface 2. A spaceship 3. Astronauts 4. The Earth 5. The Sun 6. Moon rocks A. Is a medium sized star B. Scientists are still studying today. C. Faces the sun in the day and turns away from it during the night. D. Landed on the Moon in 1969. E. Can fly around the widest part of the earth in only 90 minutes. F. Looks like a blue ball.
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