lab safety Quiz
What angle should you keep a test tube away from you as it heats?
90 degrees
Identify the six steps of the scientific method, in order:
First:Ask a Question
Second:Do research
Third:Form a hypothesis
Fourth:Test the Hypothesis
Fifth:Review the data
Sixth:Share your results
What is an ion, as per our notes?
An atom that carries an electrical charge
How long should you cleanse out your eyes after getting chemicals splashed up into them?
20 minutes
Data that refers to the characteristics of what we are observing is:
Qualitative Date
In the picture bellow, the Atom on the left is gaining two electrons. What will happen to its charge?
Its charge will become more negative
What are the two protective items required each time you enter a lab area?
Eye Protection and Long Sleeves
Data that refers to the numerical values of what we are observing is:
Quantitative Data
A _________ is the smallest whole particle of matter
Atom
True or False: When disposing of chemicals, it is proper procedure to pour all unused chemicals down the drain.
False
A variable that stay the same regardless of what else you are changing is a __________ variable.
Controlled
Which subatomic particle do we use in order to make the atomic number?
Proton
Which situation would the power shower come in handy?
A piece of clothing has caught on fire
Cole is testing to see if what he drinks before running effects his finish time. He tests it with water, juice, milk and carrot juice. He wears the same clothes and shoes regardless. What variable would the different drinks be classified as?
Independent
Which subatomic particle orbits the nucleus?
Electron