Scientific Method
When researching information, what websites are acceptable for research purposes?
.gov, .edu, .org
How many significant figures are in the number below:
5010
3 S.F.
What is this number in scientific notation?
4.5
4.5 or 4.5 x 100
When is a student allowed to bring food or drinks into a laboratory?
Never
Daily Double
Give yourself a free 200 points
When performing an experiment, which variable is changed by the scientist for the experiment?
Independent Variable
What does Rule #1 state for significant figures
All whole numbers between 1-9 are significant
Use this number to answer question 2.3 x 104
The number 4 in the number represents what?
An exponent
Daily Double
Give yourself a free 200 points
When heating a test tube with a chemical in it, describe how a person should be handling the test tube.
The student should be holding the test tube with tongs and not pointing the test tube at a anyone. The test tube must be pointed away.
Why must the step by step procedures of an experiment be replicatable?
So the experiement is valid
3.81 x 102 has how many significant figures.
3 S.F.
0.00034 can be written in scientific notation. What is it?
3.4 x 10-4
When working with heating an acid, what type of safety procedures must be followed?
Chemical safety procedures
What is the technique used when smelling an unknown substance, Why do we use this technique?
wafting technique, We use this technique so we do not inhale the fumes of an unknown substance.
The use of data, tables, charts, graphic organizers can be found in what part of the scientific method
Observation/Results
Use this number to answer the following question 0.000371
The Zero's in this number are called what?
Placeholders
what is 2.2 x 103+1.1 x 102. Write answer in scientific notation. You have 1 minute and 30 seconds to answer.
2.31 x 103
Name 2 reasons why broken glassware must be disposed separately from the normal trash?
A person throwing the trash may cut themselves
The glass may cut through the trash bag and create a larger mess
How many Significant Figures are found in the following numbers?
2.30
20050
0.0012
102
1.) 3 S.F.
2.) 4 S.F.
3.) 2 S.F.
4.) 3 S.F.
If animal metabolism is related to temperature, then increasing resting room temperature will increase animal metabolism.
What is the: IV, DV, and Control group of this question?
IV: Increased room temperature
DV: Animal Metabolism
Control: Normal room temperature
What does Rule 3 of the Significant figures state?
Give an example
Rule 3 states:
3.4 x 10-4 + 7.1 x 102 = Write answer in standard form and give the correct number of significant figures. You have 1 minute and 30 seconds to answer.
710.0034
8 S.F.
If an acid touches the skin or enters a person's eye. How long should the person let the stream of water touch their skin or rinse their eye.
15 minutes
What is the difference between an observation and an inference?
An observation is using your senses to gather information is while an inference is making a judgement from your observation