Vocabulary
What is anything that has mass and takes up space?
Matter.
Crushing Ice with a hammer
Physical Change
Burning of wood is a physical change.
False.
How do you calculate volume?
Length x Width x Height
What is a substance made of two or more elements that are chemically combined in a set ratio?
Compound.
Describes how easily a substance dissolves in another substance.
Burning of natural gas on a gas stove.
Chemical Change
Changing the Density of an Item is a physical change.
What is the definition of Mean?
the average of a set of data.
What alters the form or appearance of matter but does not turn any substance in the matter into a different substance?
Physical Change.
What is the basic particle from which all elements are made?
Atom.
Iron Nail rusting outside.
Chemical Change.
Butter turning into a liquid from a solid represents a physical change.
True.
How do you calculate density?
Mass divided by Volume.
What is a single kind of matter that is pure, meaning it always has a specific makeup, or composition?
Substance.
What is a group of two or more atoms held together by chemical bonds?
Molecule.
Physical Change
Photosynthesis is an example of a chemical change.
True.
What is Mode?
the number that shows up the most often in a set of data? (Most popular)
Characteristics that describe something's ability to become something else.
Chemical properties
The fact that matter is not created or destroyed in any chemical or physical change is called?
Law of conservation of mass(matter).
Lighting a candle.
Chemical Change
Iron rusting represents a physical change.
False.
If the Mass is 200g and the Volume is 10cm3, what would the density be?
20 g/cm3.
What is a change in matter that produces one or more new substances?
Chemical Change.