vocabulary
What is controlled scientific investigation?
the smallest part of an element that has the chemical properties of that element
What is an atom?
Flammable materials, like alcohol, should never be dispensed or used near
What is an open flame?
What is Dependent variable?
a chemical equation that has the same number of each kind of atom in the reactants as in the products
What is a balanced chemical equation?
When gathering glassware and equipment for an experiment you should: a. examine all glassware to check for chips or cracks b. read all directions carefully to know c. clean any glassware that appears dirty d. All the above
What is all the above?
this is the factor or condition an investigation is designed to test also known as manipulated variable
What is Independent Variable?
a chemical change that results in the formation of one or more new substances
What is a chemical reaction?
This is always added last when mixing acid and other substances
What is acid?
this is the process by which scientists ask questions and then look for answers
What is a scientific inquiry?
What is ductile?
Personal eyeglasses provide as much protection as
a. a face shield b. safety glasses c. splashproof chemical goggles d. none of the above
What is none of the above?
What is a variable?
a particle that forms when 2 or more atoms are held together by a chemical bond
What is a molecule?
This is what you do when a teacher wants you to smell a substance
What is waft?