Science 4 - 1st Quarter Test

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Quizzes Created: 9 | Total Attempts: 3,056
Questions: 25 | Attempts: 455

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1st Grade Science Quizzes & Trivia

Questions and Answers
  • 1. 

    Copernicus is called the founder of modern _________________.

    • A.

      Astronomy

    • B.

      Planets

    • C.

      Astrology

    • D.

      Constellations

    Correct Answer
    A. Astronomy
    Explanation
    Copernicus is called the founder of modern astronomy because he developed the heliocentric model of the solar system, which states that the Earth and other planets revolve around the Sun. This model revolutionized our understanding of the universe and laid the foundation for modern astronomy. Copernicus' work paved the way for future astronomers to further explore and study celestial objects, leading to significant advancements in our knowledge of the cosmos.

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  • 2. 

    The science that studies the stars is _____________________.

    • A.

      Astronomy

    • B.

      Planets

    • C.

      Astrology

    • D.

      Constellations

    Correct Answer
    A. Astronomy
    Explanation
    Astronomy is the science that studies the stars, including their formation, evolution, and behavior. It involves the observation and analysis of celestial objects such as planets, stars, galaxies, and other astronomical phenomena. Astronomy is distinct from astrology, which is a belief system that claims to interpret the influence of celestial bodies on human affairs. Constellations, on the other hand, are groups of stars that form recognizable patterns in the sky. Therefore, the correct answer for the science that studies the stars is astronomy.

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  • 3. 

    The science that claims to tell people's futures is ___________________.

    • A.

      Astronomy

    • B.

      Planets

    • C.

      Astrology

    • D.

      Constellations

    Correct Answer
    C. Astrology
    Explanation
    Astrology is the correct answer because it is the science that claims to tell people's futures based on the positions and movements of celestial bodies such as planets and constellations. Astronomy, on the other hand, is the scientific study of celestial objects and phenomena, but it does not make predictions about individuals' futures.

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  • 4. 

    Believing in ____________________ is a serious sin against the First Commandment

    • A.

      Astronomy

    • B.

      Planets

    • C.

      Astrology

    • D.

      Constellations

    Correct Answer
    C. Astrology
    Explanation
    Believing in astrology is a serious sin against the First Commandment because it goes against the belief in one true God and puts faith in the alignment of stars and planets to determine one's destiny. The First Commandment emphasizes the importance of worshiping and placing trust in God alone, rather than seeking guidance or influence from celestial bodies.

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  • 5. 

    What makes the stars appear to twinkle?

    • A.

      Astronomy

    • B.

      The earth's atmosphere

    • C.

      The earth's rotation

    • D.

      Constellations

    Correct Answer
    B. The earth's atmosphere
    Explanation
    The stars appear to twinkle because of the Earth's atmosphere. As starlight passes through the atmosphere, it gets refracted or bent due to the varying density of air. This refraction causes the light to scatter in different directions, leading to the twinkling effect. The Earth's atmosphere is not completely still, and factors like temperature, humidity, and wind can further contribute to the twinkling. Thus, the Earth's atmosphere plays a significant role in making the stars appear to twinkle.

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  • 6. 

    Why does the moon appear to shine?

    • A.

      It doesn't appear to shine.

    • B.

      It reflects the light of the sun.

    • C.

      It produces it's own light.

    • D.

      It reflects the earth's light.

    Correct Answer
    B. It reflects the light of the sun.
    Explanation
    The moon appears to shine because it reflects the light of the sun. The moon does not produce its own light, but rather, it reflects the sunlight that hits its surface. This reflection causes the moon to appear bright in the night sky.

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  • 7. 

    Why do stars shine?

    • A.

      They don't appear to shine

    • B.

      They reflect the light of the sun.

    • C.

      They produce their own light

    • D.

      The reflect the earth's light.

    Correct Answer
    C. They produce their own light
    Explanation
    Stars shine because they produce their own light. Stars are massive balls of gas, primarily hydrogen and helium, undergoing nuclear fusion in their cores. The intense heat and pressure generated by this fusion process causes the atoms to collide and release energy in the form of light and heat. This light radiates outwards from the star, making it visible to us on Earth. The process of nuclear fusion is what sustains a star's brightness and allows it to shine.

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  • 8. 

    The Big Dipper is a __________________.

    • A.

      Planet

    • B.

      Constellation

    • C.

      Star

    • D.

      Moon

    Correct Answer
    B. Constellation
    Explanation
    The Big Dipper is a constellation. A constellation is a group of stars that form a recognizable pattern or shape in the sky. The Big Dipper is one of the most well-known and easily recognizable constellations in the northern hemisphere. It is made up of seven bright stars that form the shape of a ladle or dipper, hence its name.

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  • 9. 

    The closest star to our planet is _______________________.

    • A.

      The sun.

    • B.

      A constellation.

    • C.

      The big dipper.

    • D.

      Proxima Centauri.

    Correct Answer
    A. The sun.
    Explanation
    The correct answer is the sun. The question asks for the closest star to our planet, and the sun is the closest star to Earth. It is located at the center of our solar system and provides heat, light, and energy for all life on Earth.

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  • 10. 

    The second closest star to our planet is __________________________.

    • A.

      The sun.

    • B.

      A constellation.

    • C.

      The big dipper.

    • D.

      Proxima Centauri.

    Correct Answer
    D. Proxima Centauri.
    Explanation
    Proxima Centauri is the correct answer because it is the closest known star to our planet after the Sun. It is part of the Alpha Centauri system, which is a triple star system located about 4.24 light-years away from Earth. Proxima Centauri is a red dwarf star and is approximately 4.24 light-years away from us, making it the closest star to our solar system.

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  • 11. 

    What are the five basic colors of the stars?

    • A.

      White, yellow-white, yellow, orange, red

    • B.

      White, blue-white, yellow, pink , red

    • C.

      White, blue-white, yellow, orange, red

    • D.

      Blue, blue-white, yellow, orange, red

    Correct Answer
    C. White, blue-white, yellow, orange, red
    Explanation
    Stars come in a variety of colors depending on their temperature. The hottest stars appear white or blue-white, while cooler stars appear yellow, orange, or red. Therefore, the correct answer is white, blue-white, yellow, orange, red.

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  • 12. 

    What are constellations?

    • A.

      Constellations are solar systems.

    • B.

      Constellations are scientists who study stars, planets, and other objects in outer space.

    • C.

      Constellations any one of the objects in space that are made of burning gas and that look like points of light in the night sky.

    • D.

      Constellations are a group of stars that forms a particular shape in the sky and has been given a name.

    Correct Answer
    D. Constellations are a group of stars that forms a particular shape in the sky and has been given a name.
    Explanation
    Constellations are a group of stars that forms a particular shape in the sky and has been given a name. This answer accurately describes what constellations are, which is a grouping of stars that appear to form a recognizable pattern or shape in the night sky. These patterns have been identified and named by astronomers throughout history.

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  • 13. 

    A solar system is __________________.

    • A.

      A sun with a group of planets that move around it.

    • B.

      A group of stars that forms a particular shape in the sky and has been given a name.

    • C.

      A very large group of stars that make up the universe.

    • D.

      A small part of a constellation.

    Correct Answer
    A. A sun with a group of planets that move around it.
    Explanation
    A solar system refers to a sun with a group of planets that orbit around it. This is the correct answer because it accurately describes the arrangement of celestial bodies in a solar system, where a central star (the sun) is accompanied by various planets that revolve around it.

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  • 14. 

    What is the name of our galaxy?

    • A.

      Proxima Centauri

    • B.

      The Milky Way

    • C.

      Large Magellanic Cloud

    • D.

      Cassiopeia

    Correct Answer
    B. The Milky Way
    Explanation
    The correct answer is The Milky Way. The Milky Way is the name of our galaxy, which is a barred spiral galaxy that contains our solar system. It is called the Milky Way because it appears as a hazy band of light in the night sky, resembling spilled milk. The galaxy is estimated to contain billions of stars, as well as planets, asteroids, and other celestial objects.

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  • 15. 

    What is a galaxy?

    • A.

      A sun with a group of planets that move around it.

    • B.

      A group of stars that forms a particular shape in the sky and has been given a name.

    • C.

      A very large group of stars that make up the universe.

    • D.

      A small part of a constellation.

    Correct Answer
    C. A very large group of stars that make up the universe.
    Explanation
    A galaxy is a very large group of stars that make up the universe. Galaxies are massive systems that contain billions or even trillions of stars, along with other celestial objects like planets, gas, and dust. They come in various shapes and sizes and are held together by gravitational forces. Galaxies are the building blocks of the universe and play a crucial role in its structure and evolution.

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  • 16. 

    What is a comet?

    • A.

      A sun with a group of planets that move around it.

    • B.

      A large megellanic cloud.

    • C.

      An object in outer space that develops a long, bright tail when it passes near the sun

    • D.

      A very large group of stars that make up the universe.

    Correct Answer
    C. An object in outer space that develops a long, bright tail when it passes near the sun
    Explanation
    A comet is an object in outer space that develops a long, bright tail when it passes near the sun. Comets are composed of ice, dust, and other organic compounds. As a comet approaches the sun, the heat causes the ice to vaporize, creating a glowing cloud called a coma. Solar radiation and the solar wind then push the coma away from the sun, forming a tail that can be visible from Earth. Comets are often referred to as "dirty snowballs" due to their composition and appearance when they pass near the sun.

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  • 17. 

    With our eyes we can see about _________ stars in the evening sky.

    • A.

      1000

    • B.

      2000

    • C.

      3000

    • D.

      4000

    Correct Answer
    B. 2000
    Explanation
    The answer is 2000 because on a clear night, away from city lights and pollution, the average human eye can see around 2000 stars in the evening sky. This number can vary depending on factors such as light pollution and atmospheric conditions, but 2000 is a reasonable estimate.

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  • 18. 

    There is no wind on the moon because ________________________________.

    • A.

      The moon is too far away from the earth.

    • B.

      The moon is too far away from the sun.

    • C.

      There are no clouds on the moon.

    • D.

      There is no atmosphere on the moon.

    Correct Answer
    D. There is no atmosphere on the moon.
    Explanation
    The absence of wind on the moon is due to the lack of atmosphere. Wind is the movement of air particles caused by differences in atmospheric pressure. Since the moon does not have an atmosphere, there is no air to create wind.

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  • 19. 

    What is a telescope used for?

    • A.

      A telescope is used to measure things that are far away.

    • B.

      A telescope is used to see things that are far away.

    • C.

      A telescope is used to measure temperature in outer space.

    • D.

      A telescope is used to see things that are very, very small.

    Correct Answer
    B. A telescope is used to see things that are far away.
    Explanation
    A telescope is an optical instrument that is designed to magnify and enhance the visibility of distant objects. It collects and focuses light, allowing us to observe celestial bodies such as stars, planets, galaxies, and other astronomical objects that are located far away from Earth. By using lenses or mirrors, a telescope enables us to see these objects with greater clarity and detail, helping astronomers and stargazers to explore and study the universe beyond our reach.

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  • 20. 

    What causes an eclipse of the sun?

    • A.

      The moon passes between the earth and the sun casting a shadow upon the earth.

    • B.

      The earth passes between the moon and the sun blocking the light that the moon reflects.

    • C.

      The sun passes between the earth and the moon making the moon impossible to see.

    • D.

      The earth passes between the moon and the sun casting a shadow upon the moon.

    Correct Answer
    A. The moon passes between the earth and the sun casting a shadow upon the earth.
    Explanation
    The correct answer is that an eclipse of the sun is caused by the moon passing between the earth and the sun, casting a shadow upon the earth. During a solar eclipse, the moon aligns perfectly with the sun and the earth, blocking the sunlight and causing a shadow to be cast on the earth's surface. This alignment can only occur during a new moon phase when the moon is positioned between the earth and the sun.

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  • 21. 

    What is another name for an eclipse of the sun?

    • A.

      A solar eclipse

    • B.

      A lunar eclipse

    • C.

      An eclipse of the moon

    • D.

      An eclipse of the earth

    Correct Answer
    A. A solar eclipse
    Explanation
    A solar eclipse is another name for an eclipse of the sun. During a solar eclipse, the moon passes between the sun and the earth, blocking the sunlight and casting a shadow on the earth's surface. This phenomenon occurs when the moon is in its new moon phase. Solar eclipses can be partial, total, or annular, depending on the alignment of the sun, moon, and earth.

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  • 22. 

    What is a volcano?

    • A.

      The outer layer of earth made up mostly of rocks

    • B.

      A mountain with a hole in the top or side that sometimes sends out rocks, ash, lava in a sudden explosion

    • C.

      A person who studies rocks

    • D.

      A shaking of a part of the earth's surface that often causes great damage

    Correct Answer
    B. A mountain with a hole in the top or side that sometimes sends out rocks, ash, lava in a sudden explosion
    Explanation
    A volcano is a mountain with a hole in the top or side that sometimes sends out rocks, ash, and lava in a sudden explosion. This explanation accurately describes the main characteristics of a volcano, including its physical structure, the presence of an opening, and the occasional release of materials such as rocks, ash, and lava.

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  • 23. 

    True or False. A volcano that is dormant is one that has not erupted for some time but still shows some signs of activity.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A dormant volcano is one that has not erupted for some time but still shows some signs of activity. This means that although the volcano is currently inactive, there are still indications that it could potentially erupt again in the future. These signs of activity can include things like the release of gas or steam, seismic activity, or even minor eruptions. Therefore, the statement "A volcano that is dormant is one that has not erupted for some time but still shows some signs of activity" is true.

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  • 24. 

    The pull of the moon's gravity is so weak, it does not have a/an ___________________________.

    • A.

      Atmosphere

    • B.

      Sun

    • C.

      Mountain

    • D.

      Volcano

    Correct Answer
    A. Atmosphere
    Explanation
    The pull of the moon's gravity is so weak that it cannot hold onto gases and create an atmosphere. Unlike Earth, which has a strong gravitational pull that can retain gases, the moon's gravity is insufficient to trap gases around it. Therefore, the moon does not have an atmosphere.

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