Exploring Fundamental Concepts in Science: Understanding Planetary Science, Energy, and More
Exploring Fundamental Concepts in Science: A Journey Through Key Topics
Introduction: Welcome to our science blog where we delve into fundamental concepts that form the basis of our understanding of the world around us. In this post, we’ll explore essential topics such as planetary science, energy, and infectious diseases. Let’s dive in!
- The planet which we live in is called _______.
- Answer Options: a) Galaxy b) Venus c) Earth ✔️ d) Jupiter
- Explanation: Earth, our home planet, is the third from the Sun and the only known celestial body to support life as we know it. Understanding our planet’s characteristics is crucial for studying its ecosystems, climate, and geological processes.
- Mechanical energy exists in _______ forms.
- Answer Options: a) 3 b) 4 c) 2 ✔️ d) 5
- Explanation: Mechanical energy manifests in two primary forms: kinetic energy, associated with motion, and potential energy, linked to an object’s position or condition. Recognizing these forms helps us comprehend various physical phenomena, from a rolling ball to a stretched rubber band.
- Energy possessed by an object due to position is called _______ energy.
- Answer Options: a) Power energy b) Wind Energy c) Kinetic energy d) Potential energy ✔️
- Explanation: Potential energy arises from an object’s position or condition, such as a ball held at a height or a compressed spring. This stored energy has the potential to do work when released, influencing numerous natural processes and human-made systems.
- The energy gotten from burning of fuels like firewood, gas, kerosene, coal is known as _______ energy.
- Answer Options: a) Mechanical energy b) Fuel energy c) Fire energy d) Heat energy
- Explanation: When fuels undergo combustion, the energy released is primarily in the form of heat energy. This heat can be harnessed for various purposes, such as cooking, heating, or generating electricity, playing a significant role in our daily lives.
- It takes the moon _______ days to complete one revolution round the earth.
- Answer Options: a) 25 b) 26 c) 27 d) 28 ✔️
- Explanation: The moon orbits the Earth in approximately 28 days, completing one revolution around our planet. This lunar cycle influences phenomena like tides and has cultural and scientific significance throughout history.
JSS 2 Second Term Examination: Science Questions and Answers
Conclusion: Understanding fundamental concepts in science lays the groundwork for exploring the complexities of our universe. From the structure of our planet to the dynamics of energy and celestial movements, these topics provide insight into the natural world and foster curiosity and discovery. Stay tuned for more explorations in science on our blog!
- The planet which we live in is called?
- Answer: C) Earth ✔️
- Explanation: Earth is the third planet from the Sun in our solar system, and it is the only known planet to support life as we know it. 🌍
- Mechanical energy exists in forms
- Answer: C) 2 ✔️
- Explanation: Mechanical energy exists in two forms: kinetic energy, which is the energy of motion (e.g., a moving car), and potential energy, which is the energy stored in an object due to its position or condition (e.g., a stretched spring). ⚙️
- Energy possessed by an object due to position is called
- Answer: D) Potential energy ✔️
- Explanation: Potential energy is the energy an object has because of its position or condition, such as the energy stored in a stretched rubber band or a raised object. 🏹
- The energy gotten from burning of fuels like firewood, gas, kerosene, coal is known as
- Answer: D) Heat energy
- Explanation: When fuels like firewood, gas, kerosene, or coal are burned, the energy released is in the form of heat energy, which can be used for cooking, heating, or generating electricity. 🔥
- The pathogen of malaria fever is known as
- Answer: D) Plasmodium parasite
- Explanation: Malaria is caused by the Plasmodium parasite, which is transmitted to humans through the bite of infected mosquitoes. 🦟
- It takes the moon days to complete one revolution round the earth.
- Answer: D) 28 ✔️
- Explanation: It takes the Moon approximately 28 days to complete one orbit around the Earth, known as a lunar month or synodic month. 🌓🔄
- Energy that can last forever is known as?
- Answer: D) Renewable energy
- Explanation: Renewable energy sources, such as solar, wind, and hydroelectric power, can be replenished naturally and are considered sustainable because they can last indefinitely with proper management. ☀️🌬️💧
