The rapid change of state from a liquid to a gas.
Clue: Bubbles of water vapor form.
What is Boiling
100
Matter made up of two or more elements chemically combined.
Clue: sodium and chlorine combined to make salt, so it is called a ______.
What is Compound
100
The smallest part of an element that still has the properties of that element.
Clue: Water forms when_____ of the elements hydrogen & oxygen combine in a certain way.
What is Atom
100
The change of state from a gas to a liquid.
Clue: Drops of water form on the outside of a very cold glass
What is Condensation
200
The state of matter that has a definite volume but no definite shape.
(clue: water or milk takes the shape of its container)
What is Liquid
200
Any of the three forms that matter may ordinarily take: solid, liquid, & gas.
Clue: When ice melts, it changes to a liquid _______.
What is State of Matter
200
One or two letters that stand for the name of an element.
Example: gold = Au
What is Chemical Symbol
200
Objects that are less dense than water that overcome the force of gravity.
What is Float
300
The change of state from solid to liquid.
Clue: As the temperature rises, snow & ice change to liquid water.
What is Melting
300
Matter that has a definite volume and a definite shape.
Clue: Think of a rock or an ice cube.
What is Solid
300
Matter made up of only one kind of atom.
Clue: Iron & Oxygen are ____.
What is an Element
300
An object pushes aside amount of liquid in a container by taking up the space the liquid once held.
What is Displacement
400
The change of state from a liquid to a gas.
Clue: Under the hot sun, water in a puddle changes to water vapor through this process.
What is Evaporation
400
The state of matter that has no definite shape or volume.
Clue: Helium balloons
What is Gas
400
A group of symbols that shows the kind and number of each element in a single unit of a compound.
Clue: Carbon dioxide is CO2
What is Chemical Formula
400
An amount of space occupied by an object (cm3)
What is Volume
500
The change of state from a liquid to a solid.
Clue: Water turns to ice.
What is Freezing
500
A class of matter made up of elements and compounds.
Clue: Think of Salt or Sugar!
What is a Substance
500
The ability to cause change.
Clue: The bus uses ____ from gasoline to move.
What is Energy
500
The ratio of mass of an object to its volume (D=M/V