Read the text and answer the questions below.
Everyday Physics: Science in Action
Physics may sound like a difficult subject that only scientists understand, but in fact it is present everywhere in our daily lives. Physics is the study of matter, energy, and the laws that govern how the universe works. From switching on a lamp to using a mobile phone, we rely on the principles of physics without always realizing it.
One of the most visible areas is electricity. When you charge your laptop or turn on the lights, you are using electrical energy. The discovery of how electricity flows through conductors changed human life completely. Without it, modern cities, industries, and communication systems would not exist.
Another key part of physics is motion. Cars, trains, and airplanes move according to Newton’s laws. For example, when you ride a bike, the wheels turn because of force, friction, and balance — all explained by physics. Even sports depend on these laws: football players calculate angles and speed, even if they don’t know they are applying physics.
Sound and light are also physical phenomena. The way we hear music, talk on the phone, or watch TV involves sound waves and light waves. Engineers use these principles to design speakers, cameras, and optical fibers that carry information at incredible speed.
Finally, physics reaches beyond Earth. Space exploration depends on the same principles of gravity and motion. Rockets escape Earth’s gravity using powerful engines, while satellites orbit our planet to provide weather forecasts, navigation, and internet connections.
Physics, then, is not just for scientists in laboratories. It is a practical science that shapes transport, communication, health, and even our entertainment. By understanding physics, we can better appreciate the hidden rules that make our world function.
Physics may sound like a difficult subject that only scientists understand, but in fact it is present everywhere in our daily lives. Physics is the study of matter, energy, and the laws that govern how the universe works. From switching on a lamp to using a mobile phone, we rely on the principles of physics without always realizing it.
One of the most visible areas is electricity. When you charge your laptop or turn on the lights, you are using electrical energy. The discovery of how electricity flows through conductors changed human life completely. Without it, modern cities, industries, and communication systems would not exist.
Another key part of physics is motion. Cars, trains, and airplanes move according to Newton’s laws. For example, when you ride a bike, the wheels turn because of force, friction, and balance — all explained by physics. Even sports depend on these laws: football players calculate angles and speed, even if they don’t know they are applying physics.
Sound and light are also physical phenomena. The way we hear music, talk on the phone, or watch TV involves sound waves and light waves. Engineers use these principles to design speakers, cameras, and optical fibers that carry information at incredible speed.
Finally, physics reaches beyond Earth. Space exploration depends on the same principles of gravity and motion. Rockets escape Earth’s gravity using powerful engines, while satellites orbit our planet to provide weather forecasts, navigation, and internet connections.
Physics, then, is not just for scientists in laboratories. It is a practical science that shapes transport, communication, health, and even our entertainment. By understanding physics, we can better appreciate the hidden rules that make our world function.
1. What principle allows rockets to escape Earth’s gravity?
2. What keeps satellites orbiting Earth?
3. Which service do satellites provide?
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