What's the Matter?
Is anything that has mass and takes up space.
Matter
describes the substance's ability to change into a new substance with different properties.
chemical change
What is physical change?
is the change that affects one or more physical properties of a substance
The smallest unit of an element
atoms
What are the three states of matter?
solid, liquid, and gas
Describes how much matter is in an object.
Mass
What is malleability?
the ability of a substance to be rolled or pounded into various shapes
Give 3 examples of a physical change
answers may vary
what is an element?
it is made up of one or more of the same kid of atom chemically combined
The change from gas to a liquid
condensation
The amount of space that an object takes up.
Volume
The ability of substance to dissolve in another substance.
Solubility
chemical change
What is a compound?
made up of different kinds of atoms chemically combined
What is sublimation?
the change from a solid to a gas
What is the formula for volume?
V=Lwh
What causes geysers to erupt?
boiling water
What is the law of conservation of mass?
states that in ordinary chemical and physical changes, mass is not created or destroyed but is only transformed into different substances
What is a mixture?
Contains a variety of elements and compounds that are not chemically combined with each other.
the change from a gas to a solid
deposition
What is the DENSITY of an object that has a volume of 10 mL and a MASS of 40 grams?
4 g/cm^3
Reactivity is a __________ property.
Chemical
What are 2 signs that a chemical change has occurred?
Production of gas, production of odor, formation of precipitate, change in energy, change in color
is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity
What state has the most kinetic energy?
gas