Physical Properties
Chemical Properties
Density
Changes in Matter
Classifying Matter
100
This type of property can be observed or measured without changing the matter's identity.
What is a physical property?
100
The ability of a material to react with another substance is called this
What is a chemical property?
100
The equation to calculate density is this.
What is density = mass ÷ volume?
100
This type of change does not alter the chemical composition of matter
What is a physical change?
100
These are the two main categories used to classify matter.
What are mixtures and pure substances?
200
The texture and color of an object are examples of this kind of physical property
What are qualitative physical properties?
200
This chemical property explains why wood burns in the air.
What is combustibility?
200
The units of density for a solid are typically written like this.
What is g/cm³?
200
The toasting of bread is an example of this type of change
What is a chemical change?
200
A mixture of sand and iron filings can be separated using this
What is a magnet?
300
The boiling point of water is an example of this kind of physical property.
What are quantitative physical properties?
300
Baking soda reacting with vinegar demonstrates this chemical property
What is reactivity to acids?
300
These liquids layer themselves in a container based on this property.
What is density?
300
This law states that the mass of reactants equals the mass of products in a chemical reaction.
What is the law of conservation of mass?
300
Compounds can only be broken down using this type of change.
What is a chemical change?
400
This is the term for the amount of space a material takes up
What is volume?
400
This term describes substances, like helium, that do not react with others.
What is inert?
400
f a substance has a mass of 10 g and a volume of 2 cm³, its density is this.
What is 5 g/cm³?
400
Melting ice is this type of change.
What is a physical change?
400
This type of matter cannot be broken down by either physical or chemical changes.
What is an element?
500
Name two units used to measure mass
What are grams (g) and kilograms (kg)?
500
Name a chemical property that explains why avocadoes turn brown when exposed to air.
What is reactivity to oxygen?
500
True or False: A grape and a foam block with the same mass will have the same density.
What is false?
500
In Lavoisier’s experiments, the container had to be sealed to do this
What is to ensure no mass was lost or gained during the reaction?
500
When we introduced electricity to water last week, a chemical change occurred that resulted in the appearance of 2 gasses at the tips of the pencils. These two gasses are ____________ and ___________.
What are oxygen and hydrogen?