Science Trivia For Grade 3

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Science Education
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With 11 years of urban teaching, Daniel excels as a STEM club teacher, demonstrating expertise in curriculum design, differentiated instruction for IEPs, and adept use of Google Classroom. His commitment to education shines through in his impactful contributions to STEM learning. Daniel holds a MSEd in Science Education from The City College of New York and a BA in History from Binghamton University. With certifications in Special Education and Biology, he is dedicated to curriculum development and enhancing educational experiences for students.
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Quizzes Created: 1 | Total Attempts: 30,486
Questions: 10 | Viewed: 30,493


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

Answer: Reproduction
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.

An environment is...

Answer: Where organisms live and their surroundings
This answer accurately defines an environment as a place where living things reside and their surrounding conditions. It encompasses the concept of an ecosystem, including both biotic (living organisms) and abiotic (non-living factors) components. The other options, such as "the sky" or "a school," do not fully capture the comprehensive definition of an environment.

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

Answer: Robert Hooke
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.

Both plants and animal cells have these organelles.

Answer: Cell membrane, nucleus, and cytoplasm
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.

What does Plants need to live? 

Answer: Air, water, minerals, and sunlight
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. 

The purpose of a stem is to...

Answer: Provide the plant with support and carry minerals and water from the roots
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.

Why are leaves green?

Answer: Because of chlorophyll
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. 

Plants bend...

Answer: Toward sunlight
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.

A new seed looks like its parents because of

Answer: Heredity
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.

What are the two types of plants that produce seeds?

Answer: Flowering and conifer
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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