Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-88

Energy conversion is a fundamental principle of science. It explains how energy, which is the power to do work, changes its form. Energy exists in (21) __________ different forms, such as chemical, electrical, light, and heat. The most important rule to remember is that energy cannot be created or destroyed; it simply changes from one form (22) __________ another. This idea is central to understanding physics and the world around us.

So, what does it mean to 'convert' energy? To convert means to change something from one form or character into another. This process of transformation is called energy conversion, and it takes place constantly. When we talk about using energy, we are usually talking about converting it. For instance, we turn electrical energy into light energy to see in the dark.

Everyday objects are great examples of energy conversion. For example, a lamp is a simple device that converts electrical energy into light and heat. Similarly, a plant uses photosynthesis to change light energy from the sun into chemical energy, which it stores in its leaves and stem. Even a moving car turns the chemical energy in fuel into kinetic energy, the energy of motion.

Our own bodies are amazing energy converters. The chemical energy from the food we eat (23) __________ into kinetic energy for movement, which allows us to walk, run, and play sports. Moreover, some of this energy becomes heat, which helps maintain our body temperature, keeping us warm even on a cold day. This conversion is always happening inside us.

In conclusion, energy conversion is a process that happens everywhere, from the smallest plant to the largest power station. Understanding energy conversion is (24) __________ for seeing how the world works, from our technology to our own biology. It is not about making new energy, but about transforming the energy that already exists into a form that is useful for a specific purpose.

Island hopping, the exhilarating pursuit of traveling from one island to another within an archipelago, is among the most captivating forms of tourism. [I] More than a mere vacation, it’s an immersive journey promising endless discovery and varied experiences. Destinations like Greece's Cyclades, Thailand's Andaman Sea, and the Caribbean have long drawn adventurers. [II] This dynamic travel style allows explorers to stitch together a tapestry of memories, moving between idyllic beaches and vibrant markets.

The spirit of island discovery resonates strongly in southern Vietnam. The breathtaking Phu Quoc region, an archipelago of 22 islands, offers a prime example for island hopping. The Hon Thom cable car by Sun World, the world's longest sea-crossing cable car, has revolutionized exploration here. This engineering marvel connects two of its largest islands, transforming a logistical challenge into a major tourist attraction. It allows for effortless movement and offers unparalleled aerial views of the azure waters and lush landmasses below.

So, why is island hopping hailed as the perfect adventure? The answer lies in its diversity and promise of novelty. [III] Unlike a static beach vacation, it offers an evolving panorama. One day you might explore an ancient fishing village, the next be snorkeling in crystal-clear waters off a bustling resort island, or hiking through a dense jungle. This dynamic itinerary ensures there’s never a dull moment, catering to interests from relaxation to high-octane activities. It encourages spontaneity while rewarding careful planning, making each leg a new discovery.

For young adventurers, island hopping isn't just about fun; it's a fantastic real-world classroom. Planning such a trip demands logistical thinking, developing life skills. Imagine researching ferry schedules, comparing accommodation, and prioritizing must-see sights within a budget. These tasks are excellent exercises in problem-solving, decision-making, and organizational prowess. Successfully navigating these challenges builds confidence and independence. It prepares you not just for future travels, but for planning your own future adventures and responsibilities, demonstrating travel is both exciting and incredibly educational.

Island hopping transcends a typical holiday; it’s an exploration of interconnected worlds. It invites travelers to embrace the unknown, adapt to new environments, and appreciate the unique character of each landmass. [IV] From the iconic Greek Isles to the burgeoning Vietnamese archipelagos, the allure of moving between these isolated havens remains potent. It's an adventure that promises breathtaking scenery and unforgettable experiences, alongside personal growth. This makes it an unparalleled choice for anyone seeking a transformative journey across the waves.