Matter & Properties
Anything that has mass and takes up space.
What is matter?
The amount of matter in an object.
What is mass?
The type of change that occurs when ice melts.
What is a physical change?
A possible sign of a chemical reaction when a gas is produced in a liquid.
What are bubbles?
The classification of salt water, which contains two substances physically combined.
What is a mixture?
The three most common states of matter.
What are solids, liquids, and gases?
The amount of space an object takes up.
What is volume?
The type of change that occurs when wood burns.
What is a chemical change?
The scientific law stating that matter cannot be created or destroyed during an ordinary chemical reaction.
What is the law of conservation of mass?
A pure substance made of only one type of atom.
What is an element?
A type of physical property described using words instead of numbers.
What is a qualitative property?
Mass divided by volume.
What is density?
The type of change that occurs when paper is cut into smaller pieces.
What is a physical change?
The substances present at the beginning of a chemical reaction.
What are reactants?
A pure substance made of two or more different elements chemically bonded together.
What is a compound?
A physical property that can be measured using numbers and units.
What is a quantitative property?
This tool is used to measure the mass of an object.
What is a balance?
The type of change that occurs when iron reacts with oxygen and forms rust.
What is a chemical change?
This prevents gases from escaping during an experiment testing conservation of mass.
What is a sealed container?
The separation method used to remove sand from water using filter paper.
What is filtration?
The type of property that describes a substance's ability to react and form new substances.
What is a chemical property?
This property explains why oil floats on top of water.
What is density?
The two types of changes that happen when a candle's wax melts and its vapour burns.
What are physical and chemical changes?
The French scientist famous for carefully measuring mass before and after chemical reactions.
Who is Antoine Lavoisier?
The classification of water (H₂O), because hydrogen and oxygen are chemically bonded in a fixed ratio.
What is a compound?