1) What are the 2 types of circuits in electricity? a) Parallel circuit b) Light circuit c) Series circuit 2) In an electric circuit, Where does the electricity come from? a) Electrical wire b) Voultage source c) Load d) Switch 3) What is the path where electricity can flow from the electric source to the appliance? a) Parallel circuit b) Voultage source c) Switch d) Electric circuit 4) Touch electric appliances with wet hands. a) True b) False 5) What is an electron? a) These are negatively charged particles of an atom. b) These are positively charged particles of an atom c) It does not exist anymore 6) The ____ is any appliance or device that uses electricity in the circuit a) Load b) Voltage Source c) Wire d) Switch 7) The ______ circuit travels in more than one direction a) Electric b) Series c) Parallel 8) The _____ circuit passes in one direction a) Electric b) Series c) Parallel 9) _____ is a metal wire coated with plastic material a) Wire b) Voultage source c) Load d) Switch 10) In a series circuit, If one load is broken, the rest will not work. a) True b) False 11) Disconnect gadgets and appliances when not in use. a) True b) False 12) We plug our appliances in a wire. a) True b) False 13) Electricity is associated with the flow of electrons. a) True b) False 14) The material through which sound travels is called the medium. a) True b) False 15) Our ____ is the sense organ for hearing a) Eyes b) Ears c) Mouth/tongue/lips d) Skin e) Nose 16) Outer ear converts the sounds to vibrations. a) True b) False 17) Inner ear converts the vibrations to signals and deliver it to the brain. a) True b) Not True 18) The intensity of sound is measured in________. a) Temperature b) Decibels c) Thersholds d) Kelvin 19) The loudest Decibel is called ________ of _______ a) Threshold of hearing b) Threshold of pain c) Threshold of Highness 20) The lowest Decibel is called _______ of ________ a) Threshold of hearing b) Threshold of pain c) Threshold of Highness 21) We can hear sounds from 20-220 db a) True b) False 22) We can hear sounds from 20-120 db a) True b) False 23) use your gadget at 60% of the max volume, at 60m a day. a) True b) False 24) Always listen to Very loud music. a) False b) True 25) Do not turn the volume too high. a) True b) False 26) The volume is low if you can't hear the surroundings because of your music. a) True b) False 27) The threshold of hearing is loud meanwhile, the Threshold of pain is soft a) True b) False 28) It works like 2 circles. a) Lever b) screw c) inclined plane d) Wedge e) Wheel and axle f) Pulley 29) It is a type of incline plane wherein the plane is around the screw shaft a) Lever b) screw c) inclined plane d) Wedge e) Wheel and axle f) Pulley 30) It is a flat surface with 1 end raised in an angle at the ground a) Lever b) screw c) inclined plane d) Wedge e) Wheel and axle f) Pulley 31) It is a simple machine that uses 2 inclined planes a) Lever b) screw c) inclined plane d) Wedge e) Wheel and axle f) Pulley 32) It has a fulcrum, a pivot and a long beam. a) Lever b) screw c) inclined plane d) Wedge e) Wheel and axle f) Pulley 33) It is a simple machine that has a grooved wheel rotating around the axle. a) Lever b) screw c) inclined plane d) Wedge e) Wheel and axle f) Pulley 34) The _______ is the distance between the two threads of a screw is called _______. a) Pitch b) Fulcrum c) Load d) Resistance arm 35) The force applied in a lever is called ______. a) Fulcrum b) Effort c) Load d) Pitch 36) The distance between the fulcrum and the load is the ______. a) Effort arm b) Resistance arm c) Fulcrum arm 37) The distance between the fulcrum and effort is called the _______. a) Effort arm b) Resistance arm c) Fulcrum arm 38) You see things around us because of __________ light. a) Visible b) Electromagnetic/EM c) Invisible d) Useless 39) Visible light or white light, comprising the colors red, orange, yellow, green, blue, indigo, and violet. a) True b) False 40) Visible light travels in diagonal lines and in all directions a) True b) False 41) ________ is the transfer of heat through electromagnetic waves a) Conduction b) Convection c) Radiation 42) _______ is the transfer of heat that occurs among liquids and gases. a) Conduction b) Convection c) Radiation 43) What heat transfer when there is direct contact between the source of heat and the material? a) Conduction b) Convection c) Radiation 44) The _________ is the degree of hotness or coldness of an object. a) Temperature b) Heat c) Thermometer d) Thermal equilibrium 45) _______ is used to measure the temperature of different people or objects a) Thermometer b) Temperature c) Heat d) Thermal equilibrium 46) _______ is a form of energy that transfers from a hot object to a cold object a) Heat b) Temperature c) Thermal equilibrium d) Thermometer 47) ___________ is the constant rise of the earth's temperature. a) Global warming b) Heat c) Conduction 48) The magnet exerts an/a ______________ force when it pulls an object close to it a) Attractive force b) Repulsive force c) Magnetic force d) Magnetic field e) Gravity 49) The magnet exerts an/a ______________ force when it pushes an object away from it a) Attractive force b) Repulsive force c) Magnetic force d) Magnetic field e) Gravity 50) What causes interactions between magnets and objects? a) Attractive force b) Repulsive Force c) Magnetic force d) Magnetic field e) Gravity 51) What is the area around the magnet where the magnetic force is felt? a) Attractive force b) Repulsive force c) Magnetic force d) Magnetic field e) Gravity 52) ______________ attracts or pulls every object towards its center. a) Attractive force b) Repulsive force c) Magnetic force d) Magnetic field e) Gravity 53) ___________ is also known as a giant magnet a) Mercury b) Venus c) Earth d) Mars e) Jupiter f) Neptune 54) Which is correct? a) The greater the gravity means the greater mass b) Lesser gravity means lesser mass c) The greater the gravity means half of the mass 55) What is the formula when getting the speed? a) s=d/t b) s=t/d c) s=dxt 56) In the formula s=d/t, what does s means? a) It tells the speed o the moving object b) It is the total distance of the travel c) It is the total time of travel d) It is measured in km or m e) It is measured in sec, min and h f) It is measured in km/h or m/h 57) In the formula s=d/t, what does d means? a) It tells the speed o the moving object b) It is the total distance of the travel c) It is the total time of travel d) It is measured in km or m e) It is measured in sec, min and h f) It is measured in km/h or m/h 58) In the formula s=d/t, what does t means? a) It tells the speed o the moving object b) It is the total distance of the travel c) It is the total time of travel d) It is measured in km or m e) It is measured in sec, min and h f) It is measured in km/h or m/h 59) When you crush an empty can of soda, It becomes __________. a) Flat b) Heavy c) Light 60) It is the place or point where a moving object can be located at a given time. a) Position b) Point of origin c) Distance d) Time e) Speed f) Frame of reference 61) It is the place or point where an object starts to move. a) Position b) Point of origin c) Distance d) Time e) Speed f) Frame of reference 62) The area separating the starting line and the finish line is called the _______- a) Position b) Point of origin c) Distance d) Time e) Speed f) Frame of reference 63) It is also considered when we describe moving objects a) Position b) Point of origin c) Distance d) Time e) Speed f) Frame of reference 64) It tells you if an object is moving fast or slow a) Position b) Point of origin c) Distance d) Time e) Speed f) Frame of reference 65) It is the position to where motion is observed a) Position b) Point of origin c) Distance d) Time e) Speed f) Frame of reference 66) Here is a review. Pick everything except for The (wrong answer) a) Frame of reference is the position where motion is observed b) Speed tells you if an object is moving fast or slow c) Wedges are 2 inclined planes that face back to back d) The formula to find the speed is s=d/t e) The distance between the 2 threads of a screw is called the pitch f) Earth is a giant magnet (don't pick)

Science reviewer 3rd quarter

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