Science For Class 4 Students Trivia

Reviewed by Daniel P
Daniel P, MSEd, Science |
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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Questions: 10 | Viewed: 186,826


In which season will you see a rainbow more often?

Answer: Monsoon
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. 

What grows from a seed?

Answer: Plants
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.

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

Answer: Wool
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.

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

Answer: Sink
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.

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

Answer: Evaporation
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.

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

Answer: Condensation
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.

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

Answer: Sublimation
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.

Which planet in our solar system is known for having a beautiful ring system?

Answer: Saturn
Saturn is famous for its spectacular rings, which are easily visible through a small telescope and are one of the most recognizable features in our solar system. These rings are made up of millions of ice particles, as well as rocky debris and dust. Each particle orbits Saturn independently, and the rings themselves can be miles thick. Although other planets like Jupiter, Neptune, and Uranus also have ring systems, none are as prominent or as well-known as Saturn’s.

What causes the phases of the Moon?

Answer: The changing positions of the Moon, Earth, and Sun
The phases of the Moon are caused by the changing positions of the Moon in relation to the Earth and the Sun. As the Moon orbits the Earth, different portions of its surface are illuminated by the Sun, resulting in the various phases, from new moon to full moon. This cycle repeats approximately every 29.5 days. It is a common misconception that the phases are caused by Earth’s shadow; that only occurs during a lunar eclipse.

What do plants exhale during photosynthesis?

Answer: Oxygen
During photosynthesis, plants absorb carbon dioxide (CO2) and water (H2O) and convert them into glucose and oxygen (O2). This process occurs in the presence of sunlight and chlorophyll, a pigment in the leaves. The glucose serves as energy or food for the plants, while the oxygen is released into the atmosphere as a by-product. This oxygen release is crucial for the survival of most life forms on Earth as it contributes to the breathable atmosphere.
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