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Unit 1 Lab Skills
Test Description: Review
Instructions: Answer all questions to get your test result.
1) What is the name of the location where science experiments are conducted?
A
Laboratory
B
Cafeteria
C
Office
2) Which lab equipment is made of porcelain so it can withstand high temperatures when heated?
A
petri dish
B
crucible and cover
C
beaker
3) Which statement is NOT true about the conclusion?
A
It either supports or rejects a hypothesis
B
It is made after the interpretation of data.
C
It is a tentative answer to the scientific problem.
4) Convert: 25 cm = ? mm
A
250
B
2500
C
2.5
5) Graduated cylinder, thermometer, and platform balance are all examples of ______ equipment.
A
safety
B
heating
C
measuring
6) A chemical container has a flame symbol on its label. What does the symbol indicate?
A
irritant
B
flammable
C
corrosive
7) What variable is kept constant throughout the investigation?
A
dependent
B
controlled
C
independent
8) Convert: 65 kg = ? lbs. (1 kg = 2.2 lbs)
A
1433 lbs
B
143.3 lbs
C
14.43 lbs
9) What is laboratory equipment made of glass called?
A
porcelain
B
glassware
C
lab equipment
10) Which unit is used to express mass?
A
meter
B
liter
C
gram
11) In the hypothesis: If the number of coils around the electromagnet increases, the number of paper clips attracted to it increases too. Which is the dependent variable?
A
size of the electromagnet
B
kind of batter used in electromagnet
C
number of paper clips attracted to the electromagnet
12) When should the evaluation of the investigation be done?
A
before the planning of the investigation
B
after the final interpretation and conclusion
C
during the conduct of the experiment
13) Which term describes data that is drastically different from the rest of the data?
A
average
B
graph
C
outlier
14) Convert: 15 degree Celsius = ? degrees Fahrenheit
A
- 59 Degrees Fahrenheit
B
35 Degrees Fahrenheit
C
59 Degrees Fahrenheit
15) True or False: A hazard is anything or any event that can cause harm to an individual.
A
False
B
True
16) What lab equipment is best used to transfer liquids to a narrow-mouthed bottle?
A
paper folded in half
B
funnel
C
stirring rod
17) What is an observation?
A
The involvement of senses in describing an object, a person, or an event.
B
The standard system agreed upon by scientists and mathematicians.
C
A summary of the data collected from an investigation
18) What kind of observation is an objective gathering of information, which focuses on numbers or measurement?
A
Subjective
B
Quantitative
C
Qualitative
19) True or False: Celsius and Fahrenheit are both units are used to express time.
A
True
B
False
20) Which equipment is not used for heating?
A
tripod
B
alcohol lamp
C
Bunsen burner
*select an answer for all questions
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