LONGQUIZ 2 ;PHYSICAL SCIENCE 29/30 1.What do you call the solid formed when a liquid solution is allowed to stand still for a long amount of time. ans. Precipitate P recipitate 2.What is the proper term for catalysts involved in biological processes? processes? ans.Enzymes 3.What is the term for the energy responsible for the variations in the reaction rates of chemical processes? answer:activation answer:activ ation energy 4.What property of a material describes the compactness of the arrangement of its molecules? ans.Density 5.Identify the kind of change wherein the product is the same as the reactants. ANWER:physicall change ANWER:physica 6.In which type of covalent bonding are the shared electrons shared congruently throughout the molecule molecule?? answer:nonpolar 7.What do you call the ability of a substance to chemically combine combine with other compounds? answer:Reactivity 8.Fill in the blank: The ______ property of a substance can can be observed without changing changing the substance. answer:physical answer:physical 9.What type of covalent compound is there a slight difference in the electric charge between between the opposite sides of the molecule? answer:polar covalent compound 10.Identification: 10.Identificat ion: This factor in a reaction rate is a consequence of the kinetic energy of the reactant molecules? wrong answer ako dito. 11.What kind of chemica chemicall bond involves the sharing of electrons between two atoms? answer:covalent bond 12.What is the component of a chemical reaction that is present at its start? answer:react answer:reactant ant 13.Identification: 13.Identificat ion: Two different atoms may or may not have this type of covalent bonding. answer:polar covalent bonding 14._____ covalent bond does not have an equal sharing of electrons. answer.Polar 15.What kind of change results to the production of a material that is entirely different from the reactants? answer:chemical answer:chemi cal change 16.Identification: 16.Identificat ion: This is another term used to refer to covalent compounds. answer:molecular compound 17.Identification: 17.Identificat ion: This refers to the speed of a chemical process. answer:reaction rate 18.Which atom is more positive than the other in a molecule of dihydrogen oxide? answer: hydrogen atom 19.Identification: 19.Identificat ion: These compounds are highly soluble in water. answer:ionic compounds 20.Identification: 20.Identificat ion: These properties can be detected using your senses. answer:Physica answer:Physicall properties 21.What type of compound is formed by the sharing of electrons? answer:Covalent compound compound 22.covalent bonding exists between two identical atoms. answer: nonpolar 23.Identification: 23.Identificat ion: This is the force that exists between the molecules of a compound. answer: Intermolecular Intermolecular force 24.What is the term for the property that makes it capable of being hammered into thin sheets? answer:malleability 25.In a water molecule, which atom is more frequented by the shared electrons? answer:oxygen answer:oxygen 26.Identify the substance that hastens chemical reactions? answer:catalyst 27. In a ______ type of covalent bonding, there is equal sharing of electrons between the atoms. answer: nonpolar 28.What type of covalent bonding is characterized by the incongruent sharing of electrons between the atoms? answer:polar 29.Which reaction rate factor is due to the amount of reacting substances? answer: concentration concentration 30.Identification: 30.Identificat ion: This compound is formed by a cation and an anion. answer:ionic compound Short Quiz 8:PHYSC c-Joshua Ardeza 1. Also known as the revolution of the Earth around the sun Answer: ANNUAL MOTION
2. Ancient constellations related to Earth’s annual motion Answer: ZODIAC 3. Center in PtEARTolemaic system of the universe Answer: H 4. Center of the universe in the Copernican system Answer: SUN 5. Earth’s movement that results to the observation of diurnal motion Answer: ROTATION 6. Event when the sun crosses the Celestial Equator Answer: EQUINOX 7. Line on Earth that is parallel to apparent daily paths Answer: CELESTIAL EQUATOR 8. Main factor in the precession of equinoxes Answer: GRAVITY 9. More common term for the annual motion of the Earth Answer: REVOLUTION 10. Type of observable motion associated with heavenly bodies Answer: DIURNAL MOTION Learning Activity 8 (Physics) Slow and continuous change in the orientation of an astronomical body’s rotational axis Answer: Axial precession Periodic observable motion that results from the Earth’s motion on its axis Answer: DIURNAL Center of the universe in Ptolemy’s model Answer: Earth Motion of the Earth around the sun Answer: revolution Motion of the Earth responsible for diurnal motion Answer: rotation Long Quiz 3:PHYSC c-Joshua Ardeza 1. Identify the center in the universe model Copernicus. Answer: SUN 2. Identify the date of the year when the Earth is at its closest from the Sun. Answer: PERIHELION 3. Identify the main factor in the precession of equinoxes. Answer: GRAVITY 4. Identify the shape of the planetary orbit based on Kepler’s third law. Answer: ELLIPSE 5. Identify the universe’s center in Ptolemy’s model. Answer: EARTH 6. Name the line on Earth that is parallel to apparent daily paths. Answer: CELESTIAL EQUATOR 7. Name the star blamed by the Greeks for the intensity of their summer Answer: SIRIUS 8. This ancient device aligns with the North Star and is used to determine the precise time of its user’s location. Answer: ASTROLABE 9. This model is the combination of two ancient models of the universe. Answer: TYCHONIC
10. This model of the universe considered the ideas of the Earth- and Sun-centered universe models. Anwer: TYCHONIC 11. This motion is also called the revolution of the Earth around the sun. Answer: ANNUAL MOTION 12. This structure was developed by the Mayans as they observed Venus. Answer: CARACOL 13. What do you call Earth’s movement that results to the observation of diurnal motion? Answer: ROTATION 14. What do you call the ancient constellations that are related to Earth’s annual motion? Answer: ZODIAC 15. What do you call the event when the sun crosses the Celestial Equator? Answer: EQUINOX 16. What do you call the motion of the Earth that is responsible for diurnal motion? Answer: ROTATION 17. What is the center in Ptolemaic system of the universe? Answer: EARTH 18. What is the center of the universe based on the model by Ptolemy? Answer: EARTH 19. What is the center of the universe in the Copernican system? Answer: SUN 20. What is the constant quantity in the universe model by Kepler? Answer: AREA SPEED 21. What is the more common term for the annual motion of the Earth with respect to the sun? Answer: REVOLUTION 22. What is the oldest heavenly body that has been observed and has preceded great events in history? Answer: HALLEY’S COMET 23. What is the periodic observable motion that is the result of the Earth’s movement on its axis? Answer: DIURNAL MOTION 24. What is the term that refers to the motion of the Earth around the sun? Answer: REVOLUTION 25. What is the term that refers to the slow and continuous change in the orientation of an astronomical body’s rotational axis? Answer: AXIAL PRECESSION 26. What is the universe model that is said to be Sun-centered? Answer: COPERNICAN 27. What is this type of observable motion that is associated with heavenly bodies? Answer: DIURNAL MOTION 28. What property of a planet has this property directly proportional to the cube of the semi-major axis of its orbit? Answer: ORBITAL PERIOD 29. Where is the Sun located with respect to a planet’s elliptical orbit Answer: FOCAL POINT 30. Which model of the universe is said to be Earth-centered? Answer: PTOLEMAIC Learning Activity 9:PHYSC c-Joshua Ardeza 1. Aligns with the North Star to determine precise time for user’s location Answer: ASTROLABE 2. Combination of two ancient models of the universe Answer: TYCHONIC 3. Developed by the Mayans for the observation of Venus Answer: CARACOL 4. Earth-centered system of the universe
Answer: PTOLEMAIC 5. Sun-centered system of the universe Answer: COPERNICAN Short Quiz 9:PHYSC 1. Center in the model of the universe proposed by Copernicus Answer: SUN 2. Center of the universe based on the model proposed by Ptolemy Answer: EARTH 3. Considered the ideas of the Earth- and Sun-centered universe model Answer: TYCHONIC 4. Constant quantity in the universe model by Kepler Answer: AREA SPEED 5. Date of the year when the Earth is closest to the Sun Answer: PERIHELION 6. Location of the Sun with respect to the elliptical orbit based on Kepler’s laws Answer: FOCAL POINT 7. Oldest heavenly body observed that has preceded great events in history Answer: HALLEY’S COMET 8. Planet property whose square is directly proportional to the cube of the semi-major axis of its orbit Answer: ORBITAL PERIOD 9. Shape of the orbit based on Kepler’s third law Answer: ELLIPSE 10. Star blamed by Greeks for the intensity of summer Answer: SIRIUS Learning Activity 10:PHYSC 1. Constant in the motion of a falling body in vacuum Answer: ACCELERATION 2. Description of the change in the rate of movement of a body Answer: ACCELERATION 3. Indirect force resulting from the application of a force Answer: REACTION 4. Necessary component of motion according to Aristotle Answer: FORCE 5. Property of a body that affects its state of motion Answer: INERTIA Short Quiz 10:PHYSC Aside from changing the state of motion of a body, this is also an effect of applying an unbalanced force to the body. Answer: ACCELERATION Which can be easily affected by an unbalanced force: one cube of ice or one sack of rice? Answer: ONE SACK OF RICE This law implies the importance of balanced forces and what unbalanced forces are. Answer: LAW OF INTERACTION Which will accelerate more when the same unbalanced force is applied: pencil or cabinet? Answer: CABINET This law of motion relates the rate of change in the movement of a body and the unbalanced force that it
experiences. Answer: LAW OF ACCELERATION Which law of motion states that a body will not change its current state of motion unless an unbalanced force acts upon it? Answer: Aside from changing the state of motion of a body, this is also an effect of applying an unbalanced force to the body. LAW OF INERTIA If you push the wall with an amount of force, you supply the action force. What is the source of the reaction force? Answer: WALL What factor of a body that is at rest prevents it from moving? Answer: INERTIA What is the only factor that is constant for bodies falling in a vacuum? Answer: ACCELERATION Which of these has a greater inertia: fly or cat? Answer: cats Learning Activity 11:PHYSC Constant in a body as long as no net force acts upon it Answer: VELOCITY Decreases as acceleration increases in Newton’s law of acceleration Answer: MASS Force involved in Newton’s Law of Universal Gravitation Answer: GRAVITATIONAL FORCE Statement based on repeated experimental observations Answer: LAW Statement taken to be true since what it proposes is already evident Answer: AXIOM According to Galileo, this quantity is not needed to keep a body in motion under ideal conditions. Answer: FORCE Describe the total amount of energy of a body before it falls from a height and as it hits the ground. Answer: EQUAL In the law of acceleration, which quantity decreases as the acceleration decreases? Answer: FORCE This is also known as the “inertia in motion” of a body. Answer: MOMENTUM This kind of statement is considered true since it has been based on a series of observations. Answer: LAW What do you call a statement that is taken as true without scientific evidence? Answer:axiom What happens to energy as it is used up by different systems? Answer: TRANSFORMED What happens to the magnitude of the gravitational force as the bodies become more massive? Answer: INCREASES What happens to the magnitude of the gravitational force as the distance between two bodies increase?
Answer: DECREASES What term do you use to refer to the amount of material contained by a body? Answer: MASS Short Quiz 12:PHYSC 1. Consider the formula for momentum. What quantity increases with the velocity of a body?: Momentum; Velocity; Inelastic; Force; Mass; Elastic; Energy Answer: Momentum 2. If a body has no momentum, what else does it not have?: Elastic; Inelastic; Force; Momentum; Mass; Velocity; Energy Answer: Velocity 3. In the formula for momentum, this quantity decreases as the body moves slower.: Elastic; Mass; Energy; Momentum; Force; Velocity; Inelastic Answer: Mass 4. In this type of collision, this factor is not necessarily conserved.: Energy; Elastic; Velocity; Force; Inelastic; Mass; Momentum Answer: Energy 5. This quantity describes how difficult it is to stop a moving body.: Inelastic; Velocity; Momentum; Force; Energy; Mass; Elastic Answer: Momentum 6. This quantity enables bodies to move so that they would collide.: Mass; Energy; Elastic; Force; Velocity; Inelastic; Momentum Answer: Energy 7. What SI quantity is directly related and directly proportional to the mass of a body?: Inelastic; Momentum; Velocity; Elastic; Energy; Force; Mass Answer: Momentum 8. What type of collision is involved between two bodies that show a spark of light after colliding: Momentum; Force; Inelastic; Mass; Elastic; Energy; Velocity Answer: Inelastic 9. Which type of collision involves the constant sum of total kinetic energy before and after the collision?: Momentum; Velocity; Mass; Elastic; Force; Energy; Inelastic Answer: Elastic 10. Which will stop first when these two bodies collide: truck or bicycle? Answer: BICYCLE Learning Activity 12:PHYSC c-Joshua Ardeza 1. Collision that involves the conversion of energy into other forms outside the colliding bodies Answer: INELASTIC 2. Factor responsible for the movement of the bodies that are about to collide Answer: ENERGY 3. Not necessarily conserved between colliding bodies Answer: ENERGY 4. Quantity conserved in any collision Answer: MOMENTUM 5. Type of collision wherein the total kinetic energy is constant before and after the collision Answer: ELASTIC Short Quiz 13:PHYSC c-Joshua Ardeza 1. Consider the wave equation. Which quantity increases with the frequency of the wave?: Absorption; Latitudinal; Index of Refraction; Longitudinal; Wavelength; Refraction; Electron; Photon; Transverse; Energy; Mirror; Speed; Dispersion Answer: Speed 2. In light, this is what the photons carry enabling them to move.: Wavelength; Energy; Mirror; Photon;
Longitudinal; Dispersion; Electron; Speed; Transverse; Index of Refraction; Absorption; Refraction; Latitudinal Answer: Energy 3. In the wave equation, this quantity is inversely proportional to the frequency of the wave.: Absorption; Mirror; Electron; Latitudinal; Longitudinal; Energy; Speed; Photon; Refraction; Index of Refraction; Dispersion; Wavelength; Transverse Answer: Wavelength 4. Name the component of light that travels in straight lines.: Index of Refraction; Longitudinal; Transverse; Absorption; Latitudinal; Energy; Electron; Refraction; Mirror; Photon; D ispersion; Wavelength; Speed Answer: Photon 5. This constant determines how much light will bend as it enters a different medium.: Electron; Refraction; Photon; Latitudinal; Mirror; Speed; Index of Refraction; Transverse; Absorption; Longitudinal; Dispersion; Wavelength; Energy Answer: Index of Refraction 6. This phenomenon of light is the evidence of the energy possessed by light.: Absorption; Photon; Energy; Dispersion; Electron; Mirror; Speed; Longitudinal; Transverse; Wavelength; Latitudinal; Index of Refraction; Refraction Answer: Absorption 7. This wave is produced by the disturbance of the molecules nearby its source.: Latitudinal; Absorption; Mirror; Photon; Wavelength; Index of Refraction; Electron; Speed; Dispersion; Longitudinal; Transverse; Refraction; Energy Answer: Longitudinal 8. What is the optical device that is used to show the bouncing of light?: Latitudinal; Speed; Index of Refraction; Wavelength; Electron; Dispersion; Transverse; Absorption; Mirror; Photon; Refraction; Energy; Longitudinal Answer: Mirror 9. What kind of wave is light?: Index of Refraction; Speed; Photon; Mirror; Absorption; Refraction; Energy; Speed; Transverse; Electron; Dispersion; Longitudinal; Transverse; Wavelength; Latitudinal Answer: Transverse 10. What kind of wave is represented by a sine wave?: Dispersion; Transverse; Index of Refraction; Refraction; Mirror; Energy; Longitudinal; Electron; Absorption; Photon; Latitudinal; Speed; Wavelength Answer: Transverse --ccto Learning Activity 13: PHYSC c-Joshua Ardeza 1. Optical device that demonstrates bending of light Answer: LENS 2. Particle of light that carries its energy Answer: PHOTON 3. Path of light that makes it understood to be a particle Answer: STRAIGHT LINE 4. Wave that can propagate even without molecules Answer: TRANSVERSE 5. Wave that cannot exist in vacuum Answer: LONGITUDINAL Learning Activity 14:PHYSC c-Joshua Ardeza 1. Bending of light around an edge causing umbra and penumbra in the shadow Answer: DIFFRACTION 2. Deflection of light along its path Answer: SCATTERING 3. Phenomenon of light wherein light waves add up Answer: INTERFERENCE
4. Phenomenon of separation of light into different colors Answer: DISPERSION 5. Type of mirror that shows an inverted image of you Answer: CONCAVE Short Quiz 14:PHYSC What exists between two charges in space? Select one: - Electrostatic force This phenomenon of light explains how light shows different colors after passing through a prism. Select one: -Dispersion This type of mirror shows a virtual image of the object. Select one: -Convex What do you call a displaced image of an object as the result of the bending of light rays? Select one: -Mirage According to Faraday, what is produced by a changing magnetic field? Select one: - Induced voltage What principle explains why it is impossible to determine experimentally both the position and the speed of an electron at the same time? Select one: -Heisenberg's uncertainty principle How do electron orbits look like as a consequence of the uncertainty principle? Select one: - Electron clouds What type of mirror shows your image in an inverted manner? Select one: -Concave What can electric current produce along a wire? Select one: - Magnetic field What phenomenon of light is utilized to identify the wavelength of a given light ray? Select one: - Dispersion Learning Activity 15:PHYSC c-Joshua Ardeza 1. Hertz applied high voltage AC electricity across the central spark gap of the transmitter creating sparks.: True; False Answer: False 2. What digital storage oscilloscope circuit compensates for high sampling rates of high frequency signals?: charged-couple device; analog to digital converter Answer: charged-couple device 3. What test equipment combines the operation of many test instruments into a single compact unit.: Impedance meter; Communication service monitor Answer: Communication service monitor 4. When using forward error control as a method of error correction, where does error correction take place?: in the oscillator; receiving end Answer: receiving end 5. What part of the pulse code modulation (PCM) process converts a continuous time signal into a discrete time signal? Answer: Sampling
Short Quiz 15:PHYSC Hertz found that when sparks flew across the main gap, sparks also usually glow across the secondary gap that is between points A and B in the image. Select one: - True According to Hertz, he pictured waves of electric charge moving back and forth, creating a standing wave within the wire. Select one: - True When reading the forward power on a wattmeter, what does two right-facing arrow heads mean? Select one: - Power exceeds 120 percent of the range What are the two main types of photodetectors? (separate your answers with the word "and") Answer: -Positive intrinsic photodiode AND negative intrinsic photodiode In November 1886, Heinrich Hertz became the first person to transmit and receive controlled radio waves. Select one: -True If the interference can be eliminated by disconnecting the receiving antenna, the source of the disturbance is most likely Select one: - External to the radio What initial nuclear radiation components generate electromagnetic pulses? (separate your answers with the word "and") Answer: -Gamma rays AND neutrons Who discovered radio waves? Answer: -Heinrich Hertz What pattern simulator section of the bit error rate test set accepts a 48-bit parallel word and generates a serial pattern? Select one: -48-bit transmitter only Hertz started generating radio waves using a piece of electrical equipment called an induction coil. Select one: -True Short Quiz 16:PHYSC c-Joshua Ardeza 1. As measured in any inertial frame of reference, light is always propagated in empty space with a definite velocity that is independent of the state of motion of the emitting body.: False; True Answer: True 2. Maxwell’s equations are not consistent with Galilean relativity unless one postulates the existence of a physical aether.: True; False Answer: True 3. The laws of physics are the same in all inertia frames of reference.: True; False Answer: True 4. The postulates of special relativity can be expressed very succinctly using the mathematical language of pseudo-Riemmannian manifolds: True; False Answer: True 5. What is the correct expression for the amplitude of a vibrating mass? Amplitude is the: Maximum velocity of the mass during vibration; Maximum displacement of the mass from the rest position Answer: Maximum displacement of the mass from the rest position 6. Which of the following is not a term associated with periodic waves?: Frequency; How much space is
occupied Answer: How much space is occupied 7. Which of the following sound wave can be heard by the human ear?: Ultrasonic sound waves; Sound waves with frequencies between 20 hz and 20,000 hz Answer: Sound waves with frequencies between 20 hz and 20, 000 hz 8. It combines special relativity with the equivalence principle. Answer: General relativity 9. It is the succession of methods by which astronomers determine the distances to celestial objects. Answer: Cosmic distance ladder 10. Known as the “dwarf planet” Answer: Pluto L.A 16:PHYSC Vibrations Select one: - Can sometimes be sensed Special relativity is a theory. Select one: - True States that the net force acting on a body is equal to that body’s (inertia ) mass multiplied by its acceleration. Select one: -Newton's Second Law of Motion According to this law there is a universality of free fall. The trajectory of a test body in free fall depends only on its position and initial speed. Answer: -Newton's Law of Gravity Which of the following must be satisfied for a vibration to be simple harmonic motion? The restoring force of the vibrating object is Select one: -Opposite to and proportional to a displacement
It is the passage of electromagnetic radiation through a medium. Select one: Answer: Transmission This Kepler's law states that the line joining the planet to the sun sweeps out equal areas in equal times as it moves along its orbit. Select one: Answer: Second law Which of Newton's laws states that an object either remains at rest or continuous to move at a constant velocity, unless acted upon by a force? Select one: Answer: First law Galileo looked at the Sun and found out that it had spots. Answer: True Mercury and Venus are never more than 200 and 450, respectively, from the Sun.
Answer: False The Aristotelian view of the world made the certain basic assumption that the Earth is a sphere, fixed, and unmoving at the center of the universe. Answer: False
