Scientific Method
elements, compounds, and mixture
Matter and Atom
Lab Safety
Any Quiz
100
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
100
A pure substance is matter that has fixed composition and definite properties. Is apple juice a pure substance?
no
100
In the picture bellow, the Atom on the left is gaining two electrons. What will happen to its charge? (Don't worry about how many protons it has... just focus on how the charge is changing)*
0/1
Its charge will become more negative
100
True or False: When disposing of chemicals, it is proper procedure to pour all unused chemicals down the drain.
false
100
Which situation would the power shower come in handy?
A piece of clothing caught on fire
200
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
200
Which of the following would be classified as pure substances?
Elements and Compounds
200
Two atoms with different numbers of neutrons, but the same number of protons are called ___________?
Isotopes
200
When taking recently heated glassware, you should clean it in:*
Warm water
200
A _________ is the smallest whole particle of matter
Atom
300
Fifth step of the scientific method
Review the data
300
A __________ is the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
molecule
300
What is an ion, as per our notes?
An atom that carries an electrical charge
300
How long should you cleanse out your eyes after getting chemicals splashed up into them?
20 minutes
300
Data that refers to the numerical values of what we are observing is
Quantitative Data
400
4th Step of the Scientific Method
Test your hypothesis
400
Water and sugar mixed together, dissolving and evenly distributing throughout, is an example of a ____________________ mixture
Homogenous
400
True or False: A Cation is an ion with a positive charge.
True
400
True or False: When working with chemicals, it is the best practice to smell the chemicals directly, rather than wafting them towards you
False
400
A __________________ is different from the elements that it is composed of, but a ____________________ may have properties similar to the pure substances that form it.
Compound, Mixture
500
6th step of the Scientific Method
Share your results
500
Oil and water mixed together is an example of a ________________ mixture
Heterogenous
500
Which subatomic particle orbits the nucleus?
electron
500
What angle should you keep a test tube away from you as it heats?
45 Degrees
500
Carbon (C) is an example of a ________________?
Element