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.
What is the Equation to find Density?
D= M/V or Density = Mass/Volume
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.
Solubility.
Burning of natural gas on a gas stove.
Chemical Change.
Changing the Density of an Item is a physical change.
True.
What is the definition of finding the Mode in a data set?
The number that appears most often.
What alters the form of 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 volume?
Length x Width x Height
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.
Boiling water in the kitchen.
Physical Change.
Photosynthesis is an example of a chemical change.
True.
What is the definition of Mean?
The average of a set of data.
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.
True.
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.