LAB SAFETY
SCIENTIFIC METHOD
SCIENTIFIC NOTATION
SIG FIGS
DIM. ANALYSIS
100
TRUE OR FALSE :: Food and Drinks are OK in the lab.
FALSE
100
An educated guess.
What is a hypothesis?
100
Convert to SCIENTIFIC :: 40,000
4.0 x 10 ^ 4
100
How many sig figs :: 0.004
1
100
Convert 6 meters to centimeters.
0.06cm
200
TRUE OR FALSE :: Always wear goggles and closed toed shoes.
True
200
Measurements that are numeric.
What is QUANTITATIVE data?
200
CONVERT to Standard :: 4.0 x 10 ^ -5
0.000040
200
How many sig figs :: 5
1
200
Convert 3 kilograms to grams.
3000g
300
Which clothing is inappropriate? Closed-toe shoes, tank tops, jeans, and loose jewelry.
tank tops and loose jewelry
300
TRIPLE JEOPARDY :: A group that does NOT receive the independent variable.
What is a control group?
300
Convert to STANDARD :: 3.14157 x 10 ^ 5
314,157
300
Double Jeopardy :: How many sig figs :: 4,010
3
300
Accuracy.
The answers get to the desired target.
400
Name 3 pieces of safety equipment. NOT safety clothes.
Safety shower, eye wash, fire extinguisher, fire blanket, first aid kit, etc
400
Measurements that are descriptive. Example: Heavy, tall
What is QUALITATIVE data?
400
CONVERT to Scientific :: 0.00050
5.0 x 10 ^ -4
400
How many sig figs :: 0.00401000
6
400
Precise or not: 93.4g, 92.1g, 93.0g
Precise
500
EVERYONE SCORES :: What is the best way to protect yourself and others in lab?
Follow directions from Mrs. Loucks!
500
A variable that responds to the independent variable.
What is a dependent variable?
500
Everyone Scores ::Convert to STANDARD :: 6.022 x 10 ^ 4
60,220
500
How many sig figs :: 6.022 x 10 ^ 23
4
500
The desired answer is 62.0mL. Is it accurate if the trials are 52.0mL, 79.2mL, and 22.4mL?
Not accurate
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