1 Ibrahim is driving a car and accelerates from rest to 20 m/s in 4 seconds. What is the acceleration? A 4 m/s² B 5 m/s² C 6 m/s² D 8 m/s²
3 Lara is analyzing the motion of a car that is moving with a velocity of 20 m/s and comes to a stop in 5 seconds. What is the acceleration? A 4 m/s² B -4 m/s² C 20 m/s² D -20 m/s²
4 At the highest point of a vertically thrown object, its velocity is: A Maximum B Minimum C Zero D Equal to g
5 Laura is learning about standard form and scientific notation. She understands that scientific notation is used to write very large or very small numbers. What is 600,000 in scientific notation? A 6 × 10^4 B 6 × 10^5 C 6 × 10^6 D 60 × 10^4
6 Sam is analyzing a velocity-time graph. The graph is a line with a negative slope. What does this indicate about the motion? A The object is accelerating B The object is decelerating C The object is moving with constant velocity D The object is at rest
7 Mohamed is studying precision and accuracy. He learns that accuracy can be improved by using better instruments and methods. Which of the following affects the accuracy of a measurement? A Instrument calibration B Observational skill C Environmental conditions D All of the above
9 Nadia is learning about scalar and vector quantities. She understands that scalar quantities have only magnitude, while vector quantities have both magnitude and direction. Which of the following is a scalar quantity? A Velocity B Force C Mass D Displacement
10 Bilal is learning about quantum physics. He understands that quantum physics deals with the behavior of matter and energy at very small scales. Which of the following is a topic studied in quantum physics? A Orbital motion of planets B Behavior of electrons in atoms C Wave propagation in water D Thermodynamic processes
11 Tina is driving a car and accelerates from 10 m/s to 20 m/s in 2 seconds. What is the acceleration of the car? A 5 m/s² B 10 m/s² C 15 m/s² D 20 m/s²
12 Khalid is studying a velocity-time graph. The graph is a line with a positive slope. What does the area under the graph represent? A Acceleration B Displacement C Speed D Velocity
13 Ibrahim is studying the addition of vector quantities. He learns that vectors can be added graphically. What is the method of adding vectors head-to-tail called? A Vector addition B Vector resolution C Resultant vector D Component method
15 Which type of motion is shown by a spinning top? A Linear motion B Circular motion C Random motion D Oscillatory motion
16 Bongani is learning about rounding off numbers. He understands that numbers are rounded to a certain number of significant figures. What is 3.14159 rounded to 3 significant figures? A 3.14 B 3.142 C - D -
17 Hina is learning about electromagnetism. She understands that electromagnetism deals with electric and magnetic fields and their interactions. Which of the following devices works on electromagnetism? A Electric motor B Thermometer C Barometer D Optical fiber
18 Tina is studying a speed-time graph. The graph is a line with a positive slope. What does the slope of the graph represent? A Speed B Velocity C Acceleration D Displacement
19 Which of the following best defines motion? A Change in shape of an object B Change in position with respect to time C Change in speed only D Change in size of an object
21 Xia is learning about random errors. She understands that random errors are unpredictable and vary in magnitude. Which of the following is an example of a random error? A A faulty scale B Reading a scale at an angle C Slight variations in temperature affecting measurement D Zero offset
24 Rania is learning about the vernier caliper. She understands that the vernier caliper is used for more precise measurements. What is the least count of a typical vernier caliper? A 0.1 mm B 0.01 mm C 0.001 mm D 1 mm
25 Uniform velocity means: A Speed changes with time B Direction changes with time C Equal displacement in equal intervals of time D Unequal displacement in equal intervals