1 Paula is studying the hydraulic car brake system. She learns that the brake system uses a master cylinder and wheel cylinders. When the brake pedal is pushed, the master cylinder: A Increases pressure in the brake lines B Decreases pressure in the brake lines C Maintains constant pressure D Stops the flow of brake fluid
2 Omar is learning about the hydraulic lift. He understands that the hydraulic lift works by transmitting pressure through a fluid. What is the fluid used in most hydraulic lifts? A Water B Oil C Mercury D Alcohol
3 Waleed is learning about applications of atmospheric pressure. He understands that atmospheric pressure is used in pneumatic systems. Which of the following is a pneumatic system? A Hydraulic lift B Brake system in cars C Tire inflation D Electric motor
6 Carlos is learning about elasticity. He understands that Young's modulus is a measure of the stiffness of a material. What is the unit of Young's modulus? A Newton B Pascal C Joule D Watt
8 Laura is studying the manometer. She learns that a manometer can be used to measure the pressure of a gas in a container. What is the pressure if the manometer reading is equal on both sides? A Zero pressure B Atmospheric pressure C Gauge pressure D Absolute pressure
9 Why do camels have wide feet? A To run fast B To increase pressure C To decrease pressure D To reduce weight
10 Fatima is studying the measurement of atmospheric pressure. She learns that a barometer is used to measure atmospheric pressure. Which type of barometer uses mercury? A Aneroid barometer B Mercury barometer C Digital barometer D Water barometer
11 A manometer is used to measure: A Atmospheric pressure only B Liquid pressure only C Gas pressure D Temperature
12 Julia is studying the manometer. She learns that a manometer is used to measure the pressure of gases. Which type of manometer is most common? A Mercury manometer B Water manometer C U-tube manometer D Digital manometer
13 Ibrahim is learning about atmospheric pressure and weather. He understands that rising barometer readings indicate improving weather. What does a rising barometer suggest? A Rain is coming B Weather is clearing C Storm is approaching D Temperature is dropping
14 Xia is studying the manometer. She learns that a manometer can measure gauge pressure. What is gauge pressure? A Absolute pressure B Pressure relative to atmospheric pressure C Pressure in a vacuum D Pressure in a closed container
15 Pascal’s Law states that pressure applied to a confined liquid: A Acts upward only B Acts downward only C Is transmitted equally D Is reduced
16 Samir is learning about atmospheric pressure. He understands that atmospheric pressure decreases with altitude. At high altitudes, what happens to the boiling point of water? A It increases B It decreases C It remains the same D It becomes zero
17 Beyond elastic limit, a material: A Returns to original shape B Shows permanent deformation C Becomes rigid D Stops stretching
18 Samir is learning about applications of Hooke's Law. He understands that Hooke's Law is used in weighing scales and spring balances. What is the range of a spring balance determined by? A The length of the spring B The spring constant and the elastic limit C The weight of the spring D The color of the spring
20 Mohamed is learning about applications of the manometer. He understands that a manometer can measure small pressure differences. Which type of manometer is sensitive to small pressure changes? A Mercury manometer B Water manometer C Digital manometer D All of the above
21 Zayn is studying Pascal's principle. He understands that Pascal's principle is the basis for hydraulic systems. Which of the following is an application of Pascal's principle? A Car brakes B Water pump C Wind turbine D Solar panel
22 Qasim is learning about elasticity. He understands that stress is the force per unit area causing deformation. What is the SI unit of stress? A Newton B Pascal C Joule D Watt
23 Omar is learning about elasticity. He understands that the elastic limit is the maximum stress a material can withstand without permanent deformation. What happens if a material is stretched beyond its elastic limit? A It returns to its original shape B It breaks immediately C It undergoes permanent deformation D It becomes harder
24 In a load-extension graph, the straight line shows: A Breaking point B Elastic behavior C Plastic behavior D Failure point
26 Waleed is learning about liquid pressure. He understands that liquid pressure is independent of the shape of the container. What does liquid pressure depend on? A Density and depth B Volume and mass C Area and force D Temperature and volume
27 Usman is learning about atmospheric pressure and weather. He understands that falling barometer readings indicate an approaching storm. What type of weather is associated with a falling barometer? A Clear weather B Stormy weather C Calm weather D Hot weather
28 Pressure at the bottom of a lake is: A Zero B Less than surface C More than surface D Equal to surface
29 Why is atmospheric pressure lower on mountains? A More air B Less air above C More gravity D Higher temperature