Lab Safety
What is the first thing you should do before starting a lab experiment?
Read all the directions. Wait for the teacher's instructions.
What tool is used to measure volume?
graduated cylinder
What does the R in CER stand for?
Reasoning
What is labeled on the x-axis of a graph?
independent variable
What are the two types of data?
Qualitative & Quantitative
During the experiment, some liquid spilled on the floor. What is the first thing that the student should do?
Tell the teacher
What unit is used for measuring mass?
grams
What is a claim?
A statement that answers the question.
What type of graph is used to show percentages?
pie chart
What type of data uses numbers and/or measurements?
True or False: All types of liquids that are used in the lab can be pour down the drain at the end of an experiment.
False
What tool is used for quick measurements of temperature?
digital thermometer
Where does evidence come from?
Observations or Facts
Title, x-axis label, y-axis label
What do you call the variables that remain the same throughout an experiment?
What is the termed used for the proper way to check a chemical's odor?
waft
What tool is used to observe chemical reactions?
test tube
What do you call a logical conclusion based on previous experiences, observations and knowledge?
inference
Which type of graph is used to track changes over short and long periods of time.
Line Graph
When conducting an experiement, what is the word used for an educated guess?
Hypothesis
When is it necessary to wear safety goggles? (Name all 3 times)
When working with 1. heat, 2. chemicals, 3. glasswear
Why is a beaker not suitable for measuring volume?
It can not measure precise volume. Does not have as many graduation marks as a graduated cylinder.
claim
What should the title of a graph include?
The independent and dependent variable
What type of variable is the part of the experiment you observe or measure?
Dependent Variable