1 David is studying fossil fuels. He knows that fossil fuels are formed from the remains of ancient organisms. Which of the following is a fossil fuel? A Petroleum B Biomass C Solar energy D Wind energy
3 Engineering is mainly concerned with ____. A Understanding nature B Applying science to solve problems C Making theories D Studying matter only
4 Tina is studying the geographical and magnetic poles of the Earth. She knows that the magnetic poles do not coincide with the geographical poles. What is the angle between the geographical and magnetic axes called? A Declination B Inclination C Dip angle D Angle of dip
5 Chloe is learning about astronomy. She understands that astronomy is the study of celestial objects and phenomena. Which of the following is a focus of astronomy? A The study of Earth's atmosphere B The study of stars and galaxies C The study of human behavior D The study of chemical reactions
6 Zara is studying temporary magnets. She knows that temporary magnets are used in electric motors. What is the advantage of using temporary magnets in motors? A They are always magnetic B They can be easily magnetized and demagnetized C They are very strong D They are expensive
7 Rania is studying cosmology. She learns that cosmology deals with large-scale structure. Which of the following is a concept in cosmology? A Big Bang theory B Quantum entanglement C Thermodynamic equilibrium D Magnetic resonance
8 According to particle model, particles of matter are: A Stationary B Continuously moving C Invisible D Fixed in place
9 Nadia is learning about the effects of the size of the bulb on the sensitivity of a thermometer. She understands that a smaller bulb makes it more sensitive. Why is a smaller bulb more sensitive? A Because it has less liquid B Because it heats up faster C Because it cools down slower D Because it is smaller
10 Bilal is studying the field of biophysics. He learns that biophysics applies physics principles to biological systems. Which of the following would a biophysicist most likely study? A The motion of planets B The mechanics of DNA molecules C The behavior of sound waves D The properties of magnetic fields
12 Uma is studying the work-energy principle. She knows that work done on an object changes its energy. If a force does 200 J of work on a stationary object, what is the increase in kinetic energy? A 200 J B 100 J C 400 J D 0 J
13 Hina is studying the direction of the magnetic field at a point. She uses a compass to determine the direction. In which direction does the north pole of a compass point in a magnetic field? A Towards the south pole of the magnet B Towards the north pole of the magnet C It points randomly D It points to the center
14 The direction of Earth’s magnetic field is from: A Geographic North to South B Geographic South to North C East to West D West to East
15 Which branch deals with motion and forces? A Optics B Thermodynamics C Mechanics D Nuclear physics
16 Vera is learning about the variation of volume and pressure. She understands that for a gas at constant temperature, pressure is inversely proportional to volume. If the volume doubles, what happens to the pressure? A It halves B It doubles C It quadruples D It remains the same
17 The strength of an electromagnet can be increased by: A Reducing current B Increasing number of turns C Using plastic core D Reducing turns
18 Rachel is studying the difference between magnetic and non-magnetic materials. She knows that non-magnetic materials are not attracted to magnets. Which of the following is a non-magnetic material? A Cobalt B Nickel C Steel D Copper
19 Fatima is learning about the relationship between the motion of particles and temperature. She understands that as temperature increases, the particles move faster. What happens to the kinetic energy of particles when temperature increases? A It decreases B It increases C It remains constant D It becomes zero
20 George is studying the magnetic field of a bar magnet. He knows that the magnetic field lines are denser at the poles. What does a higher density of field lines indicate? A A weaker magnetic field B A stronger magnetic field C No magnetic field D A uniform magnetic field
21 Ethan is learning about geophysics. He understands that geophysics studies the Earth's interior. Which of the following is a method used in geophysics? A Seismic wave analysis B Telescope observation C Chemical analysis of rocks D Biological sampling
22 David is pushing a car with a force of 200 N at an angle of 30 degrees to the horizontal. He pushes the car for 5 meters. What is the work done? A 200 Joules B 1000 Joules C 500 Joules D 866 Joules
23 Xia is studying computational physics. She learns that computational physics is a modern field. Which of the following is a use of computational physics? A Weather forecasting B Quantum chemistry simulations C Astrophysical simulations D All of the above
24 Julia is learning about the range of thermometers. She understands that the range depends on the boiling and freezing points of the liquid. What is the boiling point of mercury? A 100°C B 357°C C 78°C D 200°C
25 Yusuf is studying the conservation of energy. He knows that the total energy in an isolated system remains constant. In a swinging pendulum, where is the kinetic energy maximum? A At the highest point B At the lowest point C At the midpoint D It is constant everywhere