5 Solids, liquids and gases

Practice questions on Solids, liquids and gases

• A weather balloon is filled with a fixed mass of gas at ground level. As the balloon rises… (4 marks, Explain)
• A bicycle pump contains a fixed mass of air. When the nozzle of the pump is blocked and th… (4 marks, Explain)
• When candle wax is heated, it melts and becomes a liquid. When the liquid wax is then left… (4 marks, Explain)
• When a substance is heated at a constant rate, its temperature does not always rise contin… (4 marks, Explain)
• A hydraulic car lift uses a small piston to push oil through a pipe connected to a large p… (4 marks, Explain)
• A diver descends from the surface of the sea to a depth of 30 m. Explain why the pressure … (4 marks, Explain)
• Evaporation from the surface of a liquid causes the liquid to cool. Explain why the liquid… (4 marks, Explain)
• Explain why the temperature of a substance does not change while it is melting, even thoug… (4 marks, Explain)
• A student submerges a small stone in a tank of seawater. The stone sinks to the bottom of … (4 marks, Explain)
• A large wooden storage crate and a small metal toolbox are both resting on a soft muddy gr… (4 marks, Explain)
• A student wants to find the density of an irregularly shaped rock. Describe how the studen… (4 marks, Describe)
• Evaporation and boiling are both processes by which a liquid changes to a vapour. Describe… (4 marks, Describe)
• A sealed metal canister contains a fixed mass of gas. The canister is placed in boiling wa… (4 marks, Explain)
• A fixed mass of gas is trapped inside a syringe at constant temperature. The piston of the… (4 marks, Explain)
• A sealed rigid container holds a fixed mass of gas. The temperature of the gas is increase… (4 marks, Explain)