S1 Matter Flashcards
What are the 3 states of matter?
Solid
Liquid
Gas
What are some properties of solids?
Solids keep their shape and always take up the same amount of space.
What are some properties of liquids?
They can flow
They take the shape of their container
They have a fixed volume
What are some properties of gases?
They change shape and volume to fill whatever container they are in.
What is the name for when a solid turns into a liquid?
Melting
What is it called when a liquid turns into a solid?
Freezing
What is it called when a liquid turns into a gas?
Evaporation
What is it called when a gas turns into a liquid?
Condensation
What temperature does water turn into ice?
0 degrees celcius
What temperature does water turn into steam?
100 degrees celcius
What happens to a solid when it is heated?
It expands.
What happens to the particles in a solid when it expands
The particles stay the same size, but they move further apart from each other.
What happens when an object cools down?
It contracts.
What happens to the particles in a solid when it contracts?
The particles stay the same size, but they move closer to each other.
What is compression?
Compression is when the particles of a substance are forced together into a smaller space.
Which state(s) of matter can be compressed?
Gases
Which states of matter cannot be compressed?
Liquids and solids
What is diffusion?
Diffusion is the movement of particles from one place to another.
Which state(s) of matter can diffusion occur in?
Liquids and gases.
What is the name for the solid being dissolved?
Solute
What is the name for a solid which can dissolve?
Soluble
What is the name for a solid which can’t dissolve?
Insoluble
What is the name for the liquid in which something dissolves?
Solvent
What is the name for the mixture of solute + solvent?
Solution
Which gas burns with a squeaky pop?
Hydrogen
Which gas relights a glowing splint?
Oxygen
Which gas turns limewater cloudy?
Carbon dioxide
