Scientific Method Flashcards
What is the first step in the scientific method
Ask a question
What is the most important rule in the labratory
How to use the equipment
Which state of matter has a definite volume but no definite shape
Liquid
Which subatomic particle has a positive charge
Proton
True or false: A physical change results in the production of one or more new substances
False
What is a hypothesis
educated guess
True or False: Safety goggles should be worn at all times when instructed to do so during a lab experiment
True
What is the basic unit of matter
atom
where are electrons found in an atom
they surround the nucleus
true or false: the law of conservation of matter states that matter cannot be created or destroyed by a chemical change
True
What is a dependent variable in a experiment
the variable that changes
what should you do if you spill a chemical in the lab
tell the teacher
what is the term for a substance made of only one type of atom
element
how can you determine the number of protons in an atom
atomic number
