Exploring Matter and Mining Processes

What are the three states of matter?

• Solid, Liquid, and Plasma

• Solid, Liquid, and Gas

• Liquid, Gas, and Plasma

• Solid, Plasma, and Gas

Which state of matter has its own shape?

• Liquid

• Gas

• Solid

• Plasma

What happens when a solid dissolves in a liquid?

• The solid disappears completely

• The solid changes into a gas

• The solid forms a new solid

• The solid mixes evenly with the liquid

What is the process of using filter paper to separate substances called?

• Smelting

• Dissolving

• Filtering

• Mixing

What is smelting?

• A process to dissolve solids in liquids

• A process to separate solids from liquids

• A process to extract metal from ore

• A process to mix gases

What is hematite primarily used for?

• Making jewelry

• Extracting iron

• Building houses

• Making glass

What is bauxite primarily used for?

• Extracting aluminum

• Making steel

• Building roads

• Making plastic

Which state of matter takes the shape of its container?

• Solid

• Liquid

• Gas

• Plastic

Which of the following is a property of solids?

• They flow easily

• They have a fixed shape

• They can be compressed easily

• They have no definite volume

What is the purpose of using a sieve in filtering?

• To dissolve solids

• To separate liquids from gases

• To separate larger particles from smaller ones

• To mix substances