A Science Quiz For Class 4 Students!

Reviewed by Daniel P
Daniel P, MSEd, Science |
Science Education
Review Board Member
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.
, MSEd, Science
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A Science Quiz For Class 4 Students! - Quiz

Science is all about understanding the earth and the environment we live in. What else can you tell about Science? This is a science quiz for class 4 students designed to test out what you have learned in class so far. Do you know what is the hardest substance on earth? How many bones are there in our body? What are the different stages of the animal life cycle? Give this quiz a try and see what you score. Let's get started.


Science For Class 4 Students Questions and Answers

  • 1. 

    In which of these seasons will you see a rainbow more often?

    • A.

      Summer

    • B.

      Monsoon

    • C.

      Winter

    • D.

      Rainbow can be seen at all times, even at night.

    Correct Answer
    B. Monsoon
    Explanation
    During the monsoon season, there is typically more rainfall and moisture in the air. This creates ideal conditions for the formation of rainbows. Rainbows occur when sunlight is refracted and reflected by water droplets in the atmosphere, and the abundance of rain during the monsoon season increases the chances of these water droplets being present. 

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  • 2. 

    Which of these grows from a seed?

    • A.

      Ant

    • B.

      Donkey

    • C.

      Plants

    • D.

      TV

    • E.

      Caterpillar

    Correct Answer
    C. Plants
    Explanation
    Plants grow from seeds through a process called germination. Seeds contain the necessary nutrients and genetic material for a plant to develop and grow. When a seed is planted in soil and provided with water, sunlight, and the right temperature, it begins to absorb water and swell. This triggers the seed to break open, allowing the embryonic plant inside to emerge and start growing. Over time, the plant develops roots, stems, leaves, and eventually flowers and fruits.

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  • 3. 

    Which material is obtained from animals and used to make clothing?

    • A.

      Wool

    • B.

      Iron

    • C.

      Cotton

    • D.

      Wax

    Correct Answer
    A. Wool
    Explanation
    Wool is obtained from animals, particularly sheep, and is commonly used to make clothing. It is a natural fiber that is soft and warm and has excellent insulating properties. Wool is known for its ability to regulate body temperature, making it suitable for various climates. It is a popular choice for winter clothing due to its warmth and moisture-wicking properties. Additionally, wool is durable and has good elasticity, making it a versatile material for clothing production.

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  • 4. 

    Fuel is chemically reacted to provide the energy to make things work. Petrol is a type of fuel used in vehicles to make them run. Which of these is also a type of fuel?

    • A.

      Water used in a bath

    • B.

      Food consumed by living things/organisms

    • C.

      Air pumped in bicycle tires

    • D.

      Steam released by a pressure cooker

    Correct Answer
    B. Food consumed by living things/organisms
    Explanation
    Food consumed by living things is a type of fuel because it provides energy for the body to function. Just like petrol fuels vehicles, food fuels living beings by providing the necessary nutrients and calories that are converted into energy through metabolic processes. This energy is then used for various bodily functions such as movement, growth, and maintenance of body temperature.

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  • 5. 

    For a nonstop flight, a plane sometimes needs to be given fuel during the middle of the flight.  Which of these is necessary for mid-air refueling to happen?

    • A.

      One plane should be smaller than the other.

    • B.

      The planes should be flying above the clouds.

    • C.

      Planes should be flying as fast as each other (same speed).

    • D.

      One plane should be flying upwards and the other downwards.

    Correct Answer
    C. Planes should be flying as fast as each other (same speed).
    Explanation
    In order for mid-air refueling to happen, both planes need to be flying at the same speed. If one plane is flying faster or slower than the other, it would be difficult to maintain a stable position for refueling. Therefore, having the planes flying at the same speed is necessary for successful mid-air refueling.

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  • 6. 

    Jane has brown eyes. The following people in her family have brown eyes. Whom could she have got her brown eyes from?

    • A.

      Her niece

    • B.

      Her sister

    • C.

      Her daughter

    • D.

      Her grandmother

    Correct Answer
    D. Her grandmother
    Explanation
    Jane could have inherited her brown eyes from her grandmother. Eye color is a hereditary trait that can be passed down from previous generations. Both parents received at least one blue eye gene from one of their grandparents.

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  • 7. 

    When a coin is dropped in a glass of water, it will __________.

    • A.

      Float

    • B.

      Sink

    • C.

      Float mid-way

    • D.

      Break the glass

    Correct Answer
    B. Sink
    Explanation
    When a coin is dropped in a glass of water, it will sink. The density of the coin is greater than the density of water. Objects with a higher density than the liquid they are placed in will sink, while objects with a lower density will float. Since the coin is denser than water, it will displace less water than its own weight, causing it to sink to the bottom of the glass.

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  • 8. 

    The change of a substance from the liquid state to the gaseous state is called:

    • A.

      Evaporation

    • B.

      Condensation

    • C.

      Sublimation

    • D.

      Filtration

    Correct Answer
    A. Evaporation
    Explanation
    Evaporation is the process in which a substance changes from its liquid state to the gaseous state. This occurs when the substance absorbs enough heat energy to overcome the intermolecular forces holding its molecules together. As a result, the molecules gain enough energy to escape into the surrounding air, forming a vapor. Evaporation commonly occurs at the surface of a liquid, and it is a key component of the water cycle, as well as many industrial and everyday processes.

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  • 9. 

    The change of a substance from the gaseous state to the liquid state is called:

    • A.

      Condensation

    • B.

      Decantation

    • C.

      Sedimentation

    • D.

      Evaporation

    Correct Answer
    A. Condensation
    Explanation
    Condensation refers to the process of a substance changing from a gaseous state to a liquid state. This occurs when the temperature of a gas is lowered, causing the gas molecules to lose energy and come closer together, forming a liquid. Condensation is commonly observed when warm air comes into contact with a cooler surface, such as when water vapor in the air condenses on a cold window.

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  • 10. 

    The change of a substance from the solid state to the gaseous state is called:

    • A.

      Sublimation

    • B.

      Evaporation

    • C.

      Melting

    • D.

      Filtration

    Correct Answer
    A. Sublimation
    Explanation
    Sublimation is the correct answer because it refers to the process in which a substance transitions directly from a solid state to a gaseous state, without passing through the liquid state. This occurs when the substance is heated and the vapor pressure exceeds the atmospheric pressure. Examples of substances that undergo sublimation include dry ice (solid carbon dioxide) and mothballs (solid naphthalene). Evaporation, on the other hand, is the process in which a liquid changes into a gas at a temperature below its boiling point, while melting is the process in which a solid changes into a liquid. Filtration is a completely unrelated process used to separate solid particles from a liquid or gas.

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Daniel P |MSEd, Science |
Science Education
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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  • Current Version
  • Apr 09, 2024
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  • Mar 07, 2010
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