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