Lab Safety Questions
True or False: When working with chemicals, it is the best practice to smell the chemicals directly, rather than wafting them towards you
False
A what is the smallest whole particle of matter?
Atom
Oil and water mixed together is an example of a what mixture
Heterogenous
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 running finish time be classified as?
Dependent
Who is the richest character is sponge bob
Jim
When taking recently heated glassware, you should clean it in What?
Warm Water
The atomic mass is made up of combining which two subatomic particles?
Protons & Neutrons
When substances are evenly distributed and the mixture is the same throughout they form a what?
Homogenous Mixture
A variable that stay the same regardless of what else you are changing is a what variable.
Controlled
Where does Mr Krabs keep his money at
In his mattress
What does the P in PASS stand for, in regards to fire extinguishers?
Pull the pin
We talked about three models of the Atom. Which of the following is the current model of the Atom?
Electron Cloud Model
Carbon (C) is an example of a what?
Element
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
How long should you cleanse out your eyes after getting chemicals splashed up into them?
20 Minutes
Two atoms with different numbers of neutrons, but the same number of protons are called What?
Isotopes
When substances doesn't mix uniformly and aren't evenly distributed they form a what?
Heterogenous Mixture
A variable that is changed by you in the experiment, meaning this is what you are changing each time you do a trial, is a what variable?
Independent
What angle should you keep a test tube away from you as it heats?
45 Degrees
True or False: A Cation is an ion with a positive charge.
True
A what is a substance made of atoms of two or more different elements that are chemically combined?
Compound
Quade enters a candy eating competition. In the competition he eats 150 ounces of candy. What kind of data would the color red be classified as?
Qualitative Data