States of Matter
The three main states of matter?
What are Solid, Liquid and Gas?
What is the process of changing from a solid to a liquid?
Melting
What property measures how much matter is in an object?
Mass
What property describes a substance's ability to burn?
Flammability
What is the formula for density?
Density = Mass / Volume
What state of matter has a definite shape and volume?
Solid
What is the process of changing from a liquid to a gas?
Evaporation
What is the property that measures the amount of space an object occupies?
Volume
What property describes a substance's ability to react with oxygen to form rust?
Oxidation
What happens to an object’s density if its mass increases but its volume stays the same?
Density increases
What is the state of matter called when it has a definite volume but no definite shape?
Liquid
What is the process of changing from a gas to a liquid?
Condensation
What property describes the resistance of a liquid to flow?
Viscosity
What term describes the ability of a substance to undergo a chemical reaction and form a new substance?
Reactivity
What state of matter has no definite shape or volume?
Gas
What is the process of changing from a liquid to a solid?
Freezing
What term describes how well a substance can be hammered or rolled into sheets?
Malleability
What is the name for a substance that speeds up a chemical reaction without being consumed?
Catalyst
What principle explains why objects float or sink in a fluid?
Archimedes' Principle
What is the fourth state of matter found in stars and fluorescent lights?
Plasma
What is the process of changing from a solid directly to a gas?
Sublimation
What property measures how well a material conducts electricity?
Conductivity
What term describes the amount of energy needed to start a chemical reaction?
Activation Energy
If two objects have the same volume but different masses, which one is denser?
The one with the greater mass