Φύλλα εργασίας

The universe contains black holes of almost incomprehensible extremes. Some are relatively modest — the collapsed remnants of individual massive stars, containing between 5 and 50 times the mass of our Sun. At the opposite end of the spectrum sit supermassive black holes,…

When the ground shakes, it leaves marks — not just in broken buildings, but in the earth itself. Geologists have developed a discipline called paleoseismology, the study of ancient earthquakes using the evidence preserved in geological layers, to reconstruct thousands of years…

For more than a century, physicists have worked to understand the forces shaping the universe. Gravity pulls matter together. But something else is pushing the universe apart — and it is winning. Astronomers call this mysterious force dark energy, and a landmark instrument has…

Mars has fascinated scientists for generations, but recent discoveries have pushed the question of Martian life closer to the center of scientific debate than ever before. NASA’s robotic explorers — the Curiosity and Perseverance rovers — have identified chemical and geological…

What’s Inside 5-paragraph article based on Harari’s thesis 10+ vocabulary words in context (isolated, diffusion, Columbian Exchange, imagined order, authenticity, convergence, ethnicity) 9 True/False comprehension questions 5 fill-in-the-blank with word bank 3 open-ended comprehension questions + 2 discussion prompts Full answer key included Key Historical Concepts Pre-1492 isolation — civilizations as “separate bubbles” The Columbian…

An advanced ESL reading worksheet exploring why humans consistently misjudge technological change — from AT&T’s Picturephone to the internet to AI. Covers linear thinking bias, exponential growth, and adaptability. Vocabulary, T/F, comprehension, and discussion questions. (Grades 6–9, CEFR B2–C1)