Physics Assessment Syllabus PDF V3/16 July 2024

PHYSICS ASSESSMENT SYLLABUS Topic Learning Objectives Measurements Write a number in powers of ten (standard notation), Recall the unit of length and the meaning of the prefix’s...

PHYSICS ASSESSMENT SYLLABUS Topic Learning Objectives Measurements Write a number in powers of ten (standard notation), Recall the unit of length and the meaning of the prefix’s kilo, centi, milli, micro, nano. Measure areas of squares, rectangles, triangles, and circles, Measure the volume of regular solids and of liquids, Recall the unit of mass and how mass is measured, Recall the unit of time and how time is measured, Perform the conversions needed between different units. Perform the conversions between temp different scales. Sample Question: Carry out the following conversion of units. 1. 220 days to s 19008000 seconds 2. 20 Co to Fo 68 Fo 3. 100 Km/hr into m/s 27.777 m/s Speed, velocity and Differentiate between vector and scalar quantities. acceleration Explain the meaning of the terms speed and acceleration. Distinguish between speed and velocity. Draw, interpret and use velocity–time and distance–time graphs to solve problems. Recall and understand all the four equations of motion. Solve problems using the equations of motion Sample Questions 1. If a time is multiplied by a velocity, is the resultant quantity a vector quantity or a scalar quantity? a. Scalar b. Vector 2. A vector quantity has a. Magnitude only b. Direction only c. Magnitude and direction both d. None of the options is correct. An aircraft overflies Dubai at 10:05 UTC heading west-northwest with a uniform velocity of 400 Km/h and crosses over the city of Bahrain at 11:20 UTC. Calculate the distance between the two cities Forces and Describe and investigate the relationship between force, acceleration mass and acceleration, State the unit of force, State Newton’s second law of motion and use it to solve problems, Recall and use the equation W = mg Recall and state the Newton’s third law Sample Questions 1. Fill in the blanks: A force can be a push ______. Forces ____ cause an object to start or stop moving. They can make V3 / 16 JULY 2024 Page 1 of 7  objects speed up, slow down, or change direction. a. or a pull, can b. only, can c. or a pull, cannot d. only, cannot 2. Which of the following statements most correctly describes Newton's first law of motion? a. An object will change direction if a net force acts on the object. b. An object will not change its velocity unless a net force acts on the object. c. An object will move until a net force act on the object. d. An object will not move unless a net force act on the object. 3. An object accelerates at 4 m/s2 while a force of 20 N is applied to it. What is the mass of the object? a. 5N b. 5 kg c. 80 N d. 80 kg 4. Fill in the blanks: An object that is initially at rest and has two forces acting on it will remain at rest if the forces acting on it have ______ and act in _______ a. different magnitudes, the same direction b. different magnitudes, opposite directions c. the same magnitude, the same direction d. the same magnitude, opposite directions 5. Fill in the blank: When an object ______ over time, it accelerates. a. has a change in velocity b. moves in the same direction. c. has a constant velocity. 6. A particle was moving in a straight line with a constant acceleration. If the particle covered 17 m in the 2nd second and 46 m in the 9th and 10th seconds, calculate its acceleration 𝑎 and its initial velocity 𝑣0. a. 𝑎=4.44m/s2, 𝑣0=12.56m/s b. 𝑎=0.8m/s2, 𝑣0=15.8m/s c. 𝑎=5.33m/s2, 𝑣0=9m/s d. 𝑎=0.67m/s2, 𝑣0=16.33m/s V3 / 16 JULY 2024 Page 2 of 7  Falling bodies State that the acceleration of free fall for a body near the Earth is constant. Describe the behaviour of falling objects, Describe the motion of an object falling in air Sample Question An object falls from a hovering helicopter and hits the ground at a speed of 30 m/s. How long does it take the object to reach the ground and how far does it fall? 3 seconds and 45 meters Momentum Define momentum, State and use the principle of conservation of momentum to solve problems, Understand the action of rocket and jet engines, State the relationship between force and rate of change of momentum and use it to solve problems Sample Question A rocket of mass 10 000 kg uses 5.0 kg of fuel and oxygen to produce exhaust gases ejected at 5000 m/s. Calculate the increase in its velocity. 2.5 m/s Circular Motion Explain circular motion in terms of an unbalanced centripetal force Sample Question An apple is spun in a horizontal circle at the end of a string attached to the stalk. As the apple is spun increasingly faster, it reaches a critical speed where it detaches from the stalk. Why does this happen? Moments and Define the moment of a force about a point, levers State the law of moments and use it to solve problems Sample Question The metre rule in the figure below is pivoted at its centre. If it balances, which of the following equations gives the mass of M? a. M + 50 = 40 + 100 b. M × 40 = 100 × 50 c. M/50 = 100/40 d. M/50 = 40/100 e. M × 50 = 100 × 40 Density Define density and perform calculations using ρ = m/V, Recall and explain the specific gravity Sample Question The density of aluminium is 8,000 kg/m3.Find the volume of a 100 kg block of aluminium. a. 1/80 m3 b. 800 m3 c. 8 m3 d. 80 m3 e. 800,000 m3 Energy transfer Recall the different forms of energy, Describe energy transfers in given examples, Define work and its formula. Relate power to work done and time taken and give examples. V3 / 16 JULY 2024 Page 3 of 7  State the principle of conservation of energy, Understand qualitatively the meaning of efficiency Sample Questions Complete the following: The rate at which work is done is called a. work b. potential energy c. power d. kinetic energy Which of the following is a unit of energy? a. Kilogram b. Joule c. Watt d. Newton Which of the following formulas correctly describes the quantity of work done by a force? 𝐹 is the force, 𝑑 is the distance moved, and 𝑊 is the work done by the force. a. 𝑊=𝐹−𝑑 b. 𝑊=𝐹𝑑 c. 𝑊=𝐹/𝑑 d. 𝑊=𝐹+𝑑 Which of the following is the correct definition of conduction? a. Conduction is the process of high-energy particles moving away from a part of a material that is hotter to one that is colder. b. Conduction is the process of energy transferring from a hot object via the radiation of electromagnetic waves. c. Conduction is the process of heat transferring from one part of a solid to another due to collisions between particles within the solid. d. Conduction is the process of high-energy particles moving away from a part of a material that is colder to one that is hotter. Which of the following materials is likely to have the lowest thermal conductivity? a. Copper b. Wood c. Gold d. Iron Kinetic and Define kinetic energy (K.E.), Potential Energy Define potential energy (P.E.), Recall the effect of speed on the braking distance of a vehicle, Recall the concept of stopping distance. V3 / 16 JULY 2024 Page 4 of 7  Sample Question An aircraft is flying at 500 m above the ground with a speed of 65 m/s. if the mass of the aircraft is 150000 kg, the total energy of the aircraft is: a. 12.5 x 108 b. 10.7 x 108 c. 3.2 x 108 d. 7.5 x 108 Kinetic theory of Explain the physical properties of solids, liquids and matter gases. Differentiate between the properties of the three states of matter Differentiate between the processes of the change of the state of matter and the latent heat associated with each process. Sample Question What is the latent heat? Pressure and Relate pressure to force and area and give examples, liquid pressure Define pressure and recall its unit, Connect the pressure in a fluid with its depth and density, Recall Pascal’s law Sample Question Which of the following represents a relation between pressure, 𝑃, force, 𝐹, and area, 𝐴? a. 𝐹=𝑃/𝐴 b. 𝐴=𝑃/𝐹 c. 𝑃=𝐹/𝐴 d. 𝑃=𝐴/𝐹 e. 𝑃=𝐹×𝐴 A circular cylinder with base radius 4 cm applies a force of 25 N. The pressure applied by the circle on the surface is: a. 0.5 N/cm2 b. 5.0 N/m2 c. 5.0 N/cm2 d. 100 N/cm2 The Gas laws Describe the relationships between the pressure, volume, and temperature of a gas, Recall that PV/T = constant and use this to solve problems. Sample Question A gas of volume 2m3 at 27C is cooled to - 123C at constant pressure. The new volume is: a) 11.1 m3 b) – 9.1 m3 c) 9.1 m3 d) 1 m3 Properties of Describe the properties of wave waves Recall and explain the electromagnetic wave Recall that sound is produced by vibrations. Sample Question If 5 seconds elapse between a lightning flash and the clap of thunder, how far away is the storm? (Speed of sound = 330 m/s.) 1650 meters Static electricity Recall that like charges repel and unlike charges attract, V3 / 16 JULY 2024 Page 5 of 7  Explain the charging of objects in terms of the motion of negatively charged electrons, Explain the differences between insulators and conductors, Explain how a charged object can attract uncharged objects. Sample Question Like charges attract, unlike charges repel. True or false. Describe good and poor conductors afalse.ng to the ease with which electrons move. Electric current Recall that an electric current in a metal is a flow of electrons from the negative to the positive terminal of the battery round a circuit, State the unit of electric current and recall that current is measured by an ammeter, Recall that the current in a series circuit is the same everywhere in the circuit, State that for a parallel circuit, the current from the source is larger than the current in each branch, Distinguish between direct current and alternating current, Define the unit of charge in terms of the unit of current, Recall that the sum of the currents in the branches of a parallel circuit equals the current entering or leaving the parallel section, Distinguish between electron flow and conventional current Sample Question What is the current in a circuit if the charge passing each point is 10 C in 2 s? 5 amperes Potential Recall the definition of the unit of p.d. and that p.d. (also Difference called ‘voltage’) is measured by a voltmeter, Explain the meaning of the term electromotive force (e.m.f.). Work out the voltages of cells connected in series and parallel Sample Question The p.d. across the lamp in Figure below is 12 V. How many joules of electrical energy are changed into light and heat when, a. A charge of 1 C passes through it, 12 joules b. A charge of 5 C passes through it, 60 joules c. A current of 2 A flows in it for 10 s? 240 joules Resistance Define resistance and state the factors on which it depends, Recall the unit of resistance, Solve simple problems using R = V/I, Differentiate between resistors being connected in series or parallel Sample Question What is the resistance of a lamp when a voltage of 12 V across it causes a current of 4 A? 3 ohms V3 / 16 JULY 2024 Page 6 of 7  Magnetic field State the properties of magnets, Explain what is meant by soft and hard magnetic materials, Recall that a magnetic field is the region round a magnet where a magnetic force is exerted and is represented by lines of force whose direction at any point is the direction of the force on a N pole. Sample Question A compass point to the North because: a. Of the shape of the earth b. There is a larger deposit of iron near the North Pole c. The earth is a large magnet with a South Pole near the geographic North Pole d. None of the above are correct Generators Recall Faraday’s explanation of electromagnetic induction, Predict the direction of the induced current using Fleming’s right-hand rule, Draw a diagram of a simple a.c. generator and sketch a graph of its output. Sample Question Describe how to find the current direction by using Fleming’s right- hand rule. V3 / 16 JULY 2024 Page 7 of 7