Name: ______
Unit 1 Study Guide - Language of Science, Lab safety, Scientific Method, & Measurements
1. Write safety rules when considering the following:
a) Eating in lab:
b) Clothing considerations:
c) Eye protection:
d) Broken glassware:
e) Glassware heating precautions:
f) Chemical disposal:
g) Tasting chemicals:
h) Smelling chemicals:
i) Electrical safety:
j) Cleaning stations:
k) Bunsen Burner precautions:
2. Place in correct order according to the scientific method.
___Experiment
___Collect Data
___Define problem
___Draw conclusions
___Form hypothesis
___Gather information
___Analyze and organize data
3. Define the following:
a) Scientific law
b) Theory
c) Hypothesis
d) Inference
e) Observation
f) Independent variable
g) Dependent variable
h) Constants
i) Control group
j) Experimental group
k) Data
4. For each of the following statements, underline the independent variable and circle the dependent variable.
a) The temperature of the water was measured at different depths.
b) The amount of time studying will make a positive difference on your next test score.
c) Lemon trees receiving the most water produce the largest lemons.
d) The amount of algae growth in lakes seems to be directly related to the number of sacks of fertilizer sold.
e) The higher the temperature of water, the faster the egg will cook.
5. Identify and tell use for common lab equipment:
6. Know how to read the following instruments (Remember units):
Triple beam balance
______
Ruler
a____ b____ c_____ d_____ e___
Graduated cylinder Thermometer
____________
7. Write down the pneumonic device that helps you remember metric conversions. Include the prefix names as well.
8. What are the SI base units for length, mass, volume, time, and temperature?
9. Complete the following metric conversions:
a. 25mm = ______cm
b. 45.32L = ______mL
c. 27.32mm = ______m
d. .025kg = ______g
e. 15g = ______hg
10. Convert the following numbers to scientific notation.
a. 4,500 ______
b. 0.00073 ______
c. 340,600 ______
d. 8,034,000 ______
e. 0.010 ______
11. Convert the following numbers to standard notation
a. 2.3 x 104 ______
b. 1.76 x 10-3 ______
c. 1.901 x 10-7 ______
d. 9.11 x 103 ______
e. 5.40 x 101 ______