1 Qasim is learning about hypothesis, theory, and law. He understands that a hypothesis is a tentative explanation. What is a hypothesis based on? A A well-tested theory B Observations and prior knowledge C A proven law D A guess without evidence
2 Omar is learning about the fields of physics. He understands that biophysics is an interdisciplinary field. Which of the following combines biology and physics? A Biophysics B Astrophysics C Geophysics D Thermal physics
3 Rachel is studying power. She knows that power is the rate at which work is done. A machine does 1000 J of work in 5 seconds. What is the power of the machine? A 200 Watts B 5000 Watts C 1000 Watts D 200 Joules
5 Which statement best defines a scientific law? A It explains observations B It predicts behavior under certain conditions C It is a personal idea D It cannot be tested
6 Engineering differs from science because it focuses on ____. A Discovering facts B Applying knowledge C Forming laws D Making hypotheses
7 Which sub-field deals with electric charges? A Mechanics B Electromagnetism C Thermodynamics D Optics
8 Energy obtained from flowing water is called: A Thermal energy B Hydel energy C Solar energy D Nuclear energy
9 Samir is learning about thermal physics. He understands that thermal physics involves heat and work. Which of the following is a process studied in thermal physics? A Isothermal process B Adiabatic process C Isobaric process D All of the above
10 Domain theory explains magnetism due to: A Electric charges B Alignment of domains C Gravity D Heat energy
11 Hina is learning about fixed points in thermometer calibration. She understands that the lower fixed point is the melting point of ice. At what temperature does ice melt at standard atmospheric pressure? A 0°C B 100°C C 4°C D 37°C
12 Hina is learning about variation in physical properties as a tool for measuring temperature. She understands that many properties change with temperature. Which of the following properties is NOT commonly used for temperature measurement? A Expansion of liquids B Change in color C Change in mass D Change in electrical resistance
14 Oliver is studying types of magnetic materials. He learns that some materials are repelled by a magnet. What are these materials called? A Ferromagnetic materials B Paramagnetic materials C Diamagnetic materials D Magnetic materials
15 Julia is studying the solenoid method of inducing magnetism. She knows that a solenoid is a coil of wire. What happens when a magnetic material is placed inside a current-carrying solenoid? A It becomes a temporary magnet B It becomes a permanent magnet C It loses its magnetism D It has no effect
16 Mohamed is learning about climate physics. He understands that climate physics studies the physical processes that affect climate. Which of the following is a factor studied in climate physics? A Ocean currents B Volcanic eruptions C Solar radiation D All of the above
17 Julia is learning about variation of volume and pressure. She understands that for a gas, volume and pressure are related. According to Boyle's law, what happens to the pressure of a gas if its volume is decreased at constant temperature? A It decreases B It increases C It remains constant D It becomes zero
18 Aisha is studying the states of matter. She understands that particles in a solid are closely packed. What is the arrangement of particles in a solid? A Random and far apart B Ordered and closely packed C Random and close D Far apart and ordered
19 Fatima is calculating the potential energy of a 2 kg object placed at a height of 3 meters above the ground. What is the potential energy? (Take g = 10 m/s²) A 60 Joules B 30 Joules C 6 Joules D 20 Joules
20 Tina is studying the stroking method of inducing magnetism. She knows that stroking a steel bar with a magnet can magnetize it. What is the direction of stroking? A Random direction B From one end to the other in one direction C Back and forth D Circular motion
21 Chloe is studying the magnetic field of a bar magnet. She sprinkles iron filings around a bar magnet and observes a pattern. What do the lines formed by the iron filings represent? A Magnetic field lines B Electric field lines C Gravitational field lines D Sound waves
23 Perpetual motion machines are impossible because they violate: A Law of motion B Law of inertia C Law of conservation of energy D Law of gravitation
25 Tina is studying energy forms. She knows that energy can exist in different forms. Which of the following is a form of energy? A Kinetic energy B Mass C Temperature D Density
26 Vera is learning about the effects of the size of the bulb on the range of a thermometer. She understands that a larger bulb gives a larger range. Why is a larger bulb better for range? A Because it contains more liquid B Because it heats up faster C Because it cools down faster D Because it is easier to read
27 Emma is studying the Earth's magnetic field. She knows that the Earth's magnetic field is generated by the motion of liquid iron in the Earth's core. What is the outer part of the Earth's core called? A Lithosphere B Outer core C Inner core D Mantle
28 Usman is learning about the objectives of physics. He understands that physics aims to understand the universe. Which of the following is NOT an objective of physics? A To predict natural phenomena B To develop technology C To study human emotions D To explain fundamental laws
29 Ming is studying paramagnetic materials. He knows that paramagnetic materials have unpaired electrons. What happens to the alignment of atomic dipoles in a paramagnetic material when an external magnetic field is applied? A They align randomly B They partially align with the field C They perfectly align with the field D They align opposite to the field
30 Sam is studying the Earth's magnetic field. She knows that the Earth behaves like a giant magnet. What is the direction of the Earth's magnetic field inside the Earth? A From north to south B From south to north C From east to west D From west to east