Definitions
the gathering of information using senses or with the aid of instruments
The variable that is intentionally changed in an experiment: independent or dependent?
what is the independent variable
What type of measurement is 250 centimeters?
what is length
The smallest unit of a chemical compound, composed of two or more atoms bonded together
what is a molecule
The energy an object has due to its motion
what is kinetic energy
A factor that can change in an experiment
what is a variable
this is a well tested explanation of a phenomenon in the natural world: Scientific theory or hypothesis?
what is a scientific theory
What is mass
A pure substance that contains two or more elements chemically joined in a fixed proportion
what is a compound
the substance that dissolves is: the solvent or the solute?
what is the solute
An investigation in which the factors that influence the outcome are kept the same except for one - the factor being studied
what is a controlled experiment?
This is well tested description of one phenomenon in the natural world, and may include math: scientific law or scientific theory
what is a scientific law
what is 1000
Anything that has mass and takes up space
What is matter
This theory explain why matter exists in a given state under normal conditions
what is the kinetic theory of matter
Name at least one important feature of a hypothesis
what is: it must be testable; may be stated as if-then
Which kind of property is the melting point of a substance, physical or chemical?
what is a physical property
The prefix milli represents what number
1/1000
A substance that doesn’t have a definite shape nor a definite volume but take the shape and volume of its container
what is a gas
What does the kinetic theory of matter say will happen to the motion of particles when they are heated?
what is: they will move faster
The ratio of a substance’s mass to its volume
what is density
What kind of property is the ability to burn in the presence of oxygen, chemical or ionic?
what is a chemical property
To convert 2.3 cm to m, what conversion factor would you use (multiply 2.3 cm)
what is 0.01 m/1 cm
A substance that has a definite volume but takes the shape if its container
what is a liquid
what is the gaseous state