Summative test gr 10, Exams of Family and Consumer Science

Download Summative test gr 10 and more Exams Family and Consumer Science in PDF only on Docsity! Republic of the Philippines Department of Education Region III Schools Division Office of Gapan City Name: _________________________________ Score: ____________________ Grade & Section: ________________________ Date: _____________________ 2nd Quarter Summative Test in Science 10 Directions: Choose the letter of the correct answer. Write your answer on the sheet of paper. 1. Electromagnetic waves are formed when an electric field comes in contact with a magnetic field. Which is TRUE about Electromagnetic wave? A. It is a visible light B. It is the wave travels to a medium C. It is the energy that transfer from one point to another D. It the results of vibration between electric field and magnetic field 2. Which of the following Electromagnetic waves has the highest frequency and/or carries more energy as shown in the image below? A. Gamma ray C. Radio wave B. Micro wave D. Ultraviolet ray 3. Cell phone and telephone are gadgets that send and receive signals. It is also used for communication. Which of the following electromagnetic waves used by these gadgets? A. Gamma ray C. Radio wave B. Micro wave D. Ultraviolet ray For questions 4 & 5: Refer to the scenario. Scenario: You are a Grade 10 student conducted an experiment about bending of light. You pointed the light coming from a flashlight into the prism and you saw that the white light produces seven different colors. 4. Upon passage through the prism, the white light is separated into its component colors. What is the arrangement of these colors? A. BIVROYG C. IGOVYRB B. GOYBIVR D. ROYGBIV Address: Don Simeon St., San Vicente, Gapan City Telephone No.: (044) 486-7910 Email: gapan.city@deped.gov.ph 5. How will you explain the arrangement of colors of a white light? A. It is due to the shape of prism B. It is due to the light from flashlights hits the prism C. It is due to the amplitude and crest of the light wave D. It is due to the wavelength and frequency of light wave 6. Which of the following situations is TRUE about EM wave? A. The EM wave cannot travel through vacuum B. The size of radio wave wavelength is same size of the bacteria C. The gamma ray has the highest frequency but has the least energy D. The longest the distance of wavelength the lesser the number of frequencies Study the illustration below for the questions number 7 to 12. 7. Electromagnetic waves can travel through different channels and different speeds. What is the speed of EM wave if it travels in the vacuum? A. 3x102 m/s C. 3x106 m/s B. 3x104 m/s D. 3x108 m/s 8. Electromagnetic waves have different wavelengths arranged from shortest to longest. Using the electromagnetic spectrum, identify the EM wave next to infrared? A. Gamma ray C. Ultraviolet ray B. Microwave D. Visible light 9. Among the EM waves, which lies at the beginning and at the end of Electromagnetic spectrum? A. Microwave and Radio wave C. Visible light and infrared B. Radio wave and Gamma ray D. Visible light and Ultraviolet ray 10.What is the frequency range of Gamma ray? A. >3x1018 C. >3x1019 B. <3x1018 D. <3x1019 11.If you will arrange the EM wave from shortest to longest wavelength, what should be the correct arrangement? A. Microwave, Infrared, Radio, Ultraviolet, Visible Light, X-ray, Gamma ray B. Microwave, Radio, Ultraviolet, Visible Light, Infrared, X-ray, Gamma ray C. Radio, Microwave, Infrared, Visible Light, Ultraviolet, X-ray, Gamma ray D. Radio, Infrared, Microwave, Visible Light, Ultraviolet, X-ray, Gamma ray 12.EM waves are arranged from shortest to longest wavelength. What is this arrangement? A. Electromagnetic chart C. Electromagnetic table B. Electromagnetic map D. Electromagnetic spectrum 13.An EM wave that invisible to the human eye but can detect it as heat. What type of wave is discovered by Sir Frederick Williams Herschel? A. Infrared C. Ultraviolet B. Microwave D. X-ray 31.Which of the following point is the center of the sphere whose surface forms the curved mirror? 32.Which of the following point where the light rays meet? 33.Which of the following is the straight line passing through the center of curvature to the mirror? Given the illustration below, answer the questions 34 – 36 34.Where is the location of the image? A. At F C. Between C & F B. At V D. Between V & F 35.What is the type of image produced? A. Graphic C. Real B. Photographic D. Virtual 36.What is the size of the image? A. Enlarge C. The same B. Smaller D. Double 37.Which of the following statements BEST explains the difference between concave mirror and convex mirror? A. There is no difference between Concave mirror and Convex mirror B. Concave mirror has real image while Convex mirror has virtual image C. Concave mirror image orientation is upright while Convex mirror is inverted D. The reflecting side of concave mirror is outward while Convex mirror is inward 38.Based on the image below. Which of the following statements is TRUE about the Law of Reflection? A. The angle of incident ray is equal to the angle of reflected ray B. The angle of incident ray is double the angle of reflected ray C. The angle of incident ray is more than the angle of reflected ray D. The angle of incident ray is lesser than the angle of reflected ray 39.Plane mirror has a left-right reversal characteristic, considering this characteristic, how does the letter F appear in the mirror? A. C. B. D. 40.What part of the camera corresponds to the cornea of our eyes? A. Aperture C. Lens B. Iris diaphragm D. Shutter 41.The side mirrors do not only enhance the appearance of your car but they allow you to see what is happening around your vehicle. They provide extra set of eyes and help us see in our “blind spot” so that we do not accidentally hit another vehicle on the road. What type of mirror is used to form side mirrors of vehicles? A. Concave C. Plane B. Convex D. Flat 42.A convex mirror, or simply put a curved mirror, is a mirror in which the reflective surface bulges toward the light source. Why do microscopes have convex lenses? A. To make the object clearer B. To magnify the small object C. To make the bigger object smaller D. To make it easier to focus in the object 43.Your mother has myopia (nearsightedness), a condition in which light rays focus in front of the eye’s retina instead of on the retina. What lenses can she use to correct her sight? A. Concave C. Plane B. Convex D. Flat 44.Which of the following tells the difference between lenses and mirrors? A. Lenses refract light, mirrors reflect light B. Lenses make object appear larger, while mirrors give exact copy of object C. Lenses reflect light, mirrors refract light D. Lenses produce virtual image; mirrors make real image 45.Electromagnetic or magnetic induction is the production of an electromotive force across an electrical conductor in a changing magnetic field. Who contributed in the study of principle of Electromagnetic Induction? A. Benjamin Franklin C. Hanz Christian Oersted B. Michael Faraday D. Thomas Edison 46.Generators are often used as either backup power or even primary power for farming operations, as well as portable power for working on hard-to- reach locations. Which of the following statements is TRUE about generator? A. It helps the windmill to rotate B. It produces electromagnetic wave C. It converts mechanical energy into electrical D. It converts electrical energy into mechanical energy For questions number 47 – 48. Study the illustration below. 47.Using the illustration below as an example of simple motor, which of the following situations illustrate how a simple electric motor works? A. The energy stored in the car’s batteries is converted into the rotation of the wheels B. Electrical energy turned into rotation of the blades in the food processor and cut up food C. The rotation of the bicycle wheels once the cyclist pedal it hard. D. Both A and C 48.What would happen to the coiled wire in an electric motor model if there is a repulsion and attraction of the magnetic pole? A. The coil remains stable B. The coil rotates and changes electrical into mechanical energy C. The coil stops and changes mechanical energy into electrical energy D. The coil fluctuates and converts electrical energy into chemical energy 49.Using the illustration below, What do you call to the huge wheel that rotates when pushed by water, wing or steam? A. Magnet C. Pipe B. Motor D. Turbine 50.The concept of generator and electric motor were the same. How do the generator and electric motors work? A. It uses magnetic and thermal C. It uses electric and thermal B. It uses magnetic and radiant D. It uses Electric and magnetic Prepared by: ALMARIO Y. DELA CRUZ JR. Master Teacher I