Lab Safety
Scientific Method
Matter and the Atom
Elements, Compounds, and Mixtures
Random Science
100
True/False You shouldn't pay attention and guess what chemicals to put together
False
100
First step of the Scientific Method
What is asking a question
100
A _________ is the smallest whole particle of matter
What is an atom
100
Carbon (C) would be classified as this
What is an element
100
Whats the third Scientific method step
Form a hypothesis
200
What should you do when smelling chemicals
Waft it towards you
200
Data that refers to the numerical values of what we are observing
What is quantitative data
200
Atoms are made of these 2 subatomic particles
What are Protons and Neutrons
200
2 or more chemically bonded elements
What is a compound
200
What charge does a neutron have
What is negative
300
Two protective items to wear in a lab
What is a lab coat and lab goggles
300
Data that refers to the characteristics of what we are observing
What is qualitative data
300
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)
It will become negative
300
A combination of chemical symbols to represent a substance
What is Chemical Formula
300
How long do you clean your eyes when you get something in them
20 minutes
400
Where do you go when your clothes are o fire
What is the emergency shower
400
A variable that is changed by you in the experiment
What is independant variable
400
Matter has _____ and takes up ______
Mass, Space
400
Classified as a pure substance
What is an Element
400
Oil and water mixed together is an example of what mixture
What is a heterogeneous mixture
500
When taking recently heated glassware, you should clean it in what
What is warm water
500
A variable that stays the same regardless of what else you are changing
What is a controlled variable
500
The textbook definition of an ion
What is An atom that carries an electrical charge
500
True/False When elements combine to make a specific compound, they always combine in the same proportions
True
500
What angle should you pour chemicals
45o