Quiz on Matter in Our Surroundings

What is the SI unit of mass?

• Kilogram

• Gram

• Pound

• Ounce

What is the temperature at which ice melts?

• 373 K

• 273.15 K

• 100°C

• 0°C

Which state of matter has the most ordered arrangement of particles?

• Solid

• Gas

• Liquid

• Plasma

What is the process of changing from solid to gas without going through the liquid state?

• Fusion

• Evaporation

• Deposition

• Sublimation

Why do wet clothes dry faster on a windy day?

• Increased temperature

• Decreased humidity

• Decreased surface area

• Increased wind speed

What is the latent heat of vaporisation?

• Heat energy required to change liquid to solid

• Heat energy required to change gas to solid

• Heat energy required to change liquid to gas

• Heat energy required to change solid to liquid

Why does evaporation cause cooling?

• Particles gain energy from surroundings

• Particles move faster

• Particles lose energy to surroundings

• Particles remain at rest

What is the effect of pressure on gases?

• Increases distance between particles

• Decreases distance between particles

• No effect on particles

• Changes particles to liquid

What is the temperature at which water boils?

• 0°C

• 373 K

• 100°C

• 273 K

Why does a desert cooler cool better on a hot dry day?

• Decreased temperature

• Decreased wind speed

• Increased humidity

• Increased temperature