1. Rania is learning about the structure and function of liquid-in-glass thermometers. She understands that they are commonly used. Which liquid is commonly used in liquid-in-glass thermometers?
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2. Quinn is studying potential energy. He knows that potential energy is given by PE = mgh. If the height of an object is doubled, what happens to its potential energy?
3. 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?
4. Which instrument is commonly used to measure mass?
5. How is the volume of an irregular solid measured?
6. Julia is studying nuclear fuels. She knows that nuclear energy is obtained from the nucleus of atoms. Which of the following is a nuclear fuel?
7. Laura is learning about resistance thermometers or thermistors. She understands that thermistors are temperature-sensitive resistors. How does the resistance of a thermistor change with temperature?
8. 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?
9. Rachel is studying work. She knows that work is done when a force moves an object in the direction of the force. If the force and displacement are perpendicular to each other, what is the work done?
10. Oliver is studying wind energy. He knows that wind turbines convert the kinetic energy of wind into electrical energy. What is the main advantage of wind energy?
11. 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?
12. Bilal is learning about measuring densities. He knows that the density of a regular-shaped object can be found by measuring its mass and volume. Which instrument is used to measure the mass of an object?
13. Bongani is learning about the relationship between particle motion and temperature. He understands that at absolute zero, particle motion stops. What is absolute zero in Kelvin?
14. Lara is studying hydroelectric resources. She knows that hydroelectric power uses the energy of flowing water. What is the main source of energy for hydroelectric power?
15. What is meant by work done in physics?
16. Yara is studying density. She understands that density is a characteristic property of a substance. Which of the following can be used to identify a pure substance?
17. Temperature is a measure of:
18. Linearity of thermometer means:
19. Qasim is studying the linearity of a thermometer. He understands that linearity means the thermometer gives a straight-line response to temperature changes. Which type of glass is best for linearity?
20. Quinn is studying tides. He knows that tidal energy is generated by the movement of water due to tides. What causes tides?
21. The SI unit of work is:
22. Ibrahim is studying fossil fuels. He knows that fossil fuels are non-renewable energy resources. Which of the following is a fossil fuel?
23. Xia is learning about the effects of the type of glass used in a thermometer on its linearity. She understands that different glasses expand differently. Which glass expands more uniformly?
24. The SI unit of power is:
25. Hina is studying geothermal energy. She knows that geothermal energy is derived from the Earth's internal heat. Which of the following is a source of geothermal energy?
26. Ahmed is studying density in his physics class. He learns that density is defined as mass per unit volume. If a block of wood has a mass of 200 g and a volume of 250 cm³, what is its density?
27. 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?
28. Bilal is studying the work done by a force. He applies a force of 100 N to move an object by 2 meters in the direction of the force. What is the work done?
29. Which object has maximum kinetic energy?
30. Laura is learning about thermocouple thermometers. She understands that thermocouples are used in industries. What is the main advantage of a thermocouple?