Scientific Method
the process used to find answers to questions about the world around us
Scientific Method
A key ingredient in many Indian and Asian dishes, turmeric root imparts an earthy, slightly bitter flavor to foods and beverages
turmeric powder
H
Hydrogen
A chart that uses bars to show comparisons between categories of data. The bars can be either horizontal or vertical
Bar Graph
is a protein in red blood cells that carries oxygen
hemoglobin
A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact
Experiment
is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa
buffer solution
O
Oxygen
A reference line for measuring coordinates on a graph. It runs north to south (or up and down.)
an acid that is made by all living organisms, contributes to the sour taste of fruits, and is used as a food additive
malic acid
An educated prediction based on observations. It is a testable statement
Hypothesis
make (a liquid) thinner or weaker by adding water or another solvent to it
dilute
Na
Sodium
It is a variable that stands alone and it is the one that the researcher changes in the experiment
independent variable
an essential mineral that is needed by all tissues in the body
potassium
A solid scientific question must be testable and measurable. You can complete an experiment in order to answer it
Question
is a type of indicator that can be found naturally and can determine whether the substance is an acidic substance or a basic substance
natural indicator
Cl
Chlorine
A lipped cylindrical glass container for laboratory use
Beaker
a mineral most often associated with healthy bones and teeth
The findings in an experiment
Results
a colorless, nonflammable aqueous solution or gas
hydrochloric acid
K
Potassium
Mistakes made in an experiment or procedure
Error
a chemical reaction in which acid and a base react quantitatively with each other
Neutralization