EARTH SCIENCE Choose the letter of the CORRECT answer. 1. Which of the following DO NOT describe weathering? I. The process by which rocks are broken during severe weather II. The process by which rocks are formed by heat and pressure III. The mechanical or chemical process by which rocks are broken down IV. The process by which rocks are chemically strengthened due to exposure to heat and pressure a. I, II and III b. I, II and IV c. I, III and IV 2. Which is NOT included in the group? a. abrasion b. acidification c. carbonation d. II, III and IV d. hydration 3. Which of the following is an example of biological weathering? A. Freeze- thaw ` B. Wind blowing sand onto a rock C. Abrasion due to the movement of glaciers D. Plant that grows on the cracks of the rocks 4. What happens to pieces of rock as they are transported by a river? A. smaller and jagged ` B. gets larger and jagged C. much larger and rounder D. they get smaller and rounder 5. Heat flows from the different layers to the earth. What type of heat transport occurs between the mantle and the core? A. Conduction B. Convection C. Radiation D. Sublimation 6. How is magma formed? A. Magma is formed through movement of rocks and minerals. ` B. Magma is formed under the earth’s mantle through solar radiation. C. Magma is formed through heating and cooling of materials on the earth’s surface. D. Magma is formed under certain circumstances in special location deep in the crust or in the upper mantle of the Earth. 7. Which of the following factors affect the melting of rocks? A. temperature and pressure ` B. pressure and mineral components of a rock C. temperature and mineral components of a rock D. temperature, pressure and minerals components of a rock 8. Mountains are result of high-impact stress caused when two plates collided. What kind of stress caused it to form? A. compressional stress C. shear stress B. confining stress D. tensional stress 9. Which of the following type of stress is exerted in convergent plate boundaries? A. Compressional stress C. Shear stress B. Direct stress D. Tensional stress 10. Which of the following plate boundaries do rocks slide past each other? A. Combine plate boundaries C. Divergent plate boundaries B. Convergent plate boundaries D. Transform plate boundaries 11. A compressive stress was exerted on the rock layers forming a simple fold or bend. What is the type of fold formed on the rock layers? A. Anticline B. Incline C. Monocline D. Syncline 12. Which of the following type of fault formed the San Andreas Fault? A. Normal B. Reverse C. Strike Slip D. Transverse 13. What type of plate boundary resulted to the formation of new material from molten magma? A. Convergent plate boundary C. Strike-slip fault boundary B. Divergent plate boundary D. Transform plate boundary 14. Which is NOT true about the rock cycle? A. Rocks are recycled ` B. It shows that rock is lost forever. C. It shows the rock’s journey as it changes. D. It is a summary of the processes that change rock from one kind to another. 15. Which best defines a sedimentary rock? A. It is formed by heat and cooling` B. It is formed by heat and pressure. C. It is a layered rock formed by compaction.. D. All of the above 16. What process is used to form a sedimentary rock A. Lava cools and hardens to form a rock. B. Magma trapped under the Earth’s surface cools and solidifies. C. Bits of sand and gravel form layers that turn into rock from pressure D. Extreme heat and pressure from inside the Earth turn rocks into new rocks. 17. In a cliff, where are the oldest layers of rocks made of sedimentary rocks usually found? A. at the bottom C. in the middle B. at the top D. nowhere to be found 18. Which of the following describes the Principle of Original Horizontality? A. In rare cases, horizontality of rock layers occurs. B. In most cases, sedimentary beds are deposited as horizontal units.. C. Not all layers of the rock are deposited horizontally. D. Both b and c 19. What technique explains that the lowest layer is the oldest while the topmost layer is the youngest just like the clothes in the laundry basket? A. Dendrochronology. B. Absolute dating C. Relative dating. D. Stratigraphy 20. Which method evaluates the exact age of the sample? A. Total dating C. Absolute dating B. Relative dating D. Comparative dating 21. Which type of dating method can be used on rock layers by applying the law of superposition? A. Radioactive dating C. Absolute dating B. Radiometric dating D. Relative dating 22. What does the number of daughter atoms indicate? A. The more daughter atoms, the older the rock is B. The daughter atoms remain after 10 half-lives. C. The higher the percentage, the older the rock is D. A shorter half-life means more accurate age. 23. What happens when the isotopes decay? A. Parent isotopes become half B. Parent isotopes become a team C. Parent isotopes become a parent D. Parent isotope become a daughter 24. Index fossils are defined as ________________. A. remnants of the living things C. remnants of the planets and stars. B. remnants of the non-living things. D. rremnants of the universe. 25. It is the process by which organic matter exposed to minerals over a long period is turned into a stony substance A. Molds C. Trace B. Petrified D. Cast 26. Eons are divided into smaller time intervals known as eras. Which is the youngest era which means “new life”? A. Mesozoic C. Cenozoic B. Paleozoic D. Proterozoic 27. Which of the following is not considered as criteria to determine an index fossil? A. The fossilized organism must be easily recognizable B. The fossils must be geographically widespread. C. The fossil must have lived for only a short time. D. The fossil must have lived for a long time. 28. The term Phanerozoic means _________________. A. “Time of unwell-displayed life” C. “Time of well-unplaited life” B. “Time of well-displayed life” D. “Time of well-replayed life” 29. Which branch of science deals with the study of the origin, history and structure of the Earth? A. Biology C. Mineralogy B. Geology D. Paleontology 30. Which branch of science deals with the study of the origin, history and structure of the Earth? A. eon C. era B. epoch D. period 31. How old do scientists believe the Earth is? A. 4000 years old B. 3.6 billion years old C. 4.6 billion years old D. 6.6 million years old 32. Jose is a Grade 11 student and asks to arrange the correct order of geologic time in his science class. Which of the following order is correct? I. era>eon>period>epoch II. eon>era>period>epoch III. epoch>period>era>eon IV. eon>era>epoch>period a. I b. II c. III d. IV 33. Which of these was believed to be the first life form on Earth? A. amphibians B. bacteria C. mammals D. reptiles 34. Which of the following refers to the breakdown of isotopic energy? A. Half-life B. Isotopes C. Radioactive decay 35. What do you mean by strata? A. Rock ages B. Rock layers C. Rock particles D. Radioactive metric dating D. Rock sediments