A diamond is hard and cannot be scratched easily. Use particle theory to suggest why?
Important Questions on Properties of Matter and Materials
Name the change of state happening in the example listed below.
A gold ring is heated until it turns into liquid gold.
Name the change of state happening in the example listed below.
Drops of water form on a bathroom mirror.
Name the change of state happening in the example listed below.
A chocolate bar is left in a warm kitchen.
Name the change of state happening in the example listed below.
A layer of ice forms on top of a lake in winter.
Three students were asked what would happen to the mass of an ice cube as it melted. Who is correct?
Aisha: The mass will go down because liquids have less mass than solids.
Zain: The mass will stay the same because no particles in the ice have been lost or gained.
Adnan: The mass will go up because the water takes up more space than the ice.
Describe what happens to the particles when a liquid is heated to form a gas.
State if the following material is flexible, brittle or malleable:
Glass jug.
State if the following material is flexible, brittle or malleable:
Plastic drinking straw.
