Science Quiz For Grade 3

Reviewed by Daniel P
Daniel P, MSEd (Science Education) |
Science Teacher
Review Board Member
Daniel P. is an experienced STEM club teacher with 11 years of urban teaching experience. He holds a MSEd in Science Education from The City College of New York and a BA in History from Binghamton University. He is committed to enhancing student education, using his expertise in curriculum design, differentiated instruction, and Google Classroom.
, MSEd (Science Education)
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Science Quiz For Grade 3 - Quiz

Immerse students in the fascinating world of science with our interactive Science Quiz For Grade 3. This quiz is designed to engage young learners and reinforce key scientific concepts taught in the classroom. From exploring the basics of biology and chemistry to uncovering the wonders of the natural world and beyond, this quiz covers a wide range of age-appropriate topics.

With thoughtfully crafted questions and visually appealing graphics, our Science Quiz For Grade 3 offers an enriching and educational experience. Students will have the opportunity to test their knowledge, apply critical thinking skills, and deepen their understanding of scientific principles Read morein a fun and engaging way. So, let's embark on a journey of discovery and exploration as we delve into the exciting realm of Grade 3 science!


Science Questions and Answers

  • 1. 

    When living things create more of their own kind, we call it...

    • A.

      Chloroplasts

    • B.

      Having babies

    • C.

      Reproduction

    • D.

      Dancing

    Correct Answer
    C. Reproduction
    Explanation
    Living things create more of their own kind through the process of reproduction. Reproduction is the biological process by which new individuals of the same species are produced, ensuring the continuation of the species. It involves the production of offspring, either sexually or asexually, depending on the organism. Chloroplasts are organelles found in plant cells that are responsible for photosynthesis, not reproduction. Having babies is a colloquial term for human reproduction. Dancing is a form of artistic expression and has no direct relation to the process of creating more of one's own kind.

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  • 2. 

    An environment is...

    • A.

      When you are in an environment

    • B.

      Where organisms live and their surroundings

    • C.

      The sky

    • D.

      A school

    Correct Answer
    B. Where organisms live and their surroundings
    Explanation
    An environment refers to the surrounding conditions in which organisms live, including both living (biotic) and non-living (abiotic) factors. It encompasses everything that affects the organisms, such as air, water, soil, and other organisms. The other options either describe a specific situation (like being in an environment) or unrelated concepts like "the sky" or "a school," which are not definitions of an environment.

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  • 3. 

    What was the name of the scientist that first saw cells by looking at a cork under a microscope?

    • A.

      Robert Hooke

    • B.

      Robby Cook

    • C.

      Ray Henry

    • D.

      Ronald McDonald

    Correct Answer
    A. Robert Hooke
    Explanation
    Robert Hooke was the scientist who first observed cells by examining a thin slice of cork under a microscope. In 1665, Hooke published his findings in a book called "Micrographia," where he described the cells he saw as small, box-like structures resembling the cells of a monastery. His discovery of cells revolutionized the field of biology and laid the foundation for the study of cell biology.

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  • 4. 

    Both plants and animal cells have these organelles.

    • A.

      Cell wall

    • B.

      Cell membrane, nucleus, and cytoplasm

    • C.

      Chloroplast

    • D.

      A heart

    Correct Answer
    B. Cell membrane, nucleus, and cytoplasm
    Explanation
    Both plants and animal cells have a cell membrane, nucleus, and cytoplasm. The cell membrane is a protective barrier that regulates the movement of substances in and out of the cell. The nucleus is the control center of the cell, containing the genetic material and directing cellular activities. The cytoplasm is a gel-like substance that fills the cell and houses various organelles. While plants also have a cell wall and chloroplasts, these are not present in animal cells. A heart, on the other hand, is a specialized organ found only in animals and is not a characteristic of cells.

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  • 5. 

    What does Plants need to live? 

    • A.

      Oxygen

    • B.

      Air, water, minerals, and sunlight

    • C.

      Moonlight

    • D.

      Soil, water, shade, and food

    Correct Answer
    B. Air, water, minerals, and sunlight
    Explanation
    Plants need air, water, minerals, and sunlight to live. Air is necessary for respiration and the exchange of gases. Water is essential for photosynthesis, nutrient uptake, and maintaining cell turgidity. Minerals are required for various metabolic processes and growth. Sunlight is crucial for photosynthesis, which allows plants to convert light energy into chemical energy. 

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  • 6. 

    The purpose of a stem is to...

    • A.

      It is prickly, so people don't pick it

    • B.

      It does nothing

    • C.

      It protects the plant from being eaten by animals

    • D.

      Provide the plant with support and carry minerals and water from the roots

    Correct Answer
    D. Provide the plant with support and carry minerals and water from the roots
    Explanation
    The purpose of a stem is to provide the plant with support and carry minerals and water from the roots. The stem acts as a structural support system, keeping the plant upright and allowing it to orient itself towards sunlight. Additionally, the stem contains vascular tissues, such as the xylem and phloem, which transport water and nutrients throughout the plant.

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  • 7. 

    Why are leaves green?

    • A.

      Because it's hereditary

    • B.

      Because of chlorophyll

    • C.

      Because they are dyed that color

    • D.

      Because I said so

    Correct Answer
    B. Because of chloropHyll
    Explanation
    Leaves are green because of chlorophyll. Chlorophyll is a pigment found in the chloroplasts of plant cells, and it plays a crucial role in photosynthesis. It absorbs sunlight, particularly in the blue and red regions of the spectrum, while reflecting green light. This is why leaves appear green to our eyes. Chlorophyll is responsible for capturing light energy and converting it into chemical energy, which is used to produce glucose and oxygen through photosynthesis. 

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  • 8. 

    Plants bend...

    • A.

      Away from sunlight

    • B.

      Toward sunlight

    • C.

      Whatever way they want

    • D.

      Toward water

    Correct Answer
    B. Toward sunlight
    Explanation
    Plants bend toward sunlight because they undergo a process called phototropism. This is a natural response to light, where plants grow and bend in the direction of the light source. The bending occurs because the plant hormone auxin accumulates on the shaded side of the stem, causing cells to elongate and the plant to curve towards the light. This allows plants to maximize their exposure to sunlight, which is essential for photosynthesis and overall growth and development.

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  • 9. 

    A new seed looks like its parents because of

    • A.

      Heredity

    • B.

      The way God made it

    • C.

      Just by chance

    • D.

      Because I said so

    Correct Answer
    A. Heredity
    Explanation
    Heredity refers to the passing down of traits from parents to offspring through genetic information. In the context of seeds, heredity explains why a new seed looks similar to its parents, as it inherits genetic material that determines its characteristics. This process ensures the continuity of species and the transmission of specific traits from one generation to the next.

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  • 10. 

    What are the two types of plants that produce seeds?

    • A.

      Animal and plant cells

    • B.

      Cactus and flowers

    • C.

      Flowering and conifer

    • D.

      Trees and moss

    Correct Answer
    C. Flowering and conifer
    Explanation
    Flowering plants, also known as angiosperms, produce seeds enclosed within a fruit. They are the most diverse group of plants and include trees, shrubs, and herbs. Conifers, on the other hand, are a group of plants that produce seeds in cones. They are typically evergreen and include trees such as pines, spruces, and firs. Both flowering and conifer plants have evolved specialized structures for seed production and dispersal, making them the two main types of plants that produce seeds.

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Daniel P |MSEd (Science Education) |
Science Teacher
Daniel P. is an experienced STEM club teacher with 11 years of urban teaching experience. He holds a MSEd in Science Education from The City College of New York and a BA in History from Binghamton University. He is committed to enhancing student education, using his expertise in curriculum design, differentiated instruction, and Google Classroom.

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  • Sep 08, 2024
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  • Jun 22, 2010
    Quiz Created by
    MsRaycraft133
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