Hazard Communication: OSHA Quiz!

25 Questions | By Kmlemons | Updated: Mar 22, 2022 | Attempts: 335

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Questions and Answers

1.

In the context of workplace safety, the letter GHS stands for::
- A.
  
  Global Health and Safety
- B.
  
  Global Health Standards
- C.
  
  Global Harmonized System
- D.
  
  Guidance Health Settings
- E.
  
  Geneva Harmony Settlement
2.

The GHS standardizes the way chemical hazards are classified so that workplace chemicals hazard communication will be the same all over the world.
- A.
  
  True
- B.
  
  False
3.

The 3 main types of hazards covered by the GHS are:
- A.
  
  Safety Health and Environmental
- B.
  
  Toxic, Flammable and Physical
- C.
  
  Combustible Dusts, Health and Oxidizing
- D.
  
  Physical, Health and Environmental
- E.
  
  Gaseous, Liquid and Solid
4.

This pictogram represents an environmental hazard, one of the nine mandatory pictograms.
- A.
  
  True
- B.
  
  False
5.

This symbol represents a gas cylinder hazard, such as pressurized propane.
- A.
  
  True
- B.
  
  False
6.

It is always safe to wear what kind of shoes during an experiment?
- A.
  
  Sandals
- B.
  
  None
- C.
  
  Closed toe shoes
7.

Never leave ______ unattended.
- A.
  
  Beaker
- B.
  
  Burner
- C.
  
  Test tube
- D.
  
  Your friend
8.

If there is an accident what should you do first?
- A.
  
  Try to fix the problem yourself
- B.
  
  Levve it there for someone else to find
- C.
  
  Notify the teacher immediately
- D.
  
  All of the above
9.

Read all procedures thoroughly before entering the lab.
- A.
  
  True
- B.
  
  False
10.

What is the hypothesis?
- A.
  
  A theory
- B.
  
  An educated guess
- C.
  
  A Fact
- D.
  
  An inference
- E.
  
  An observation
11.

A scientist plants two rows of corn for experimentation. She puts fertilizer on row 1 but does not put fertilizer on row 2. Both rows receive the same amount of water and light intensity. She checks the growth of the corn over the course of 5 months. What is one controlled variable in this experiment?
- A.
  
  Amount of fertlizer given to experimental group
- B.
  
  Growth of corn
- C.
  
  Type of fertilizer
12.

Which sentence best describes the importance of using a control group?
- A.
  
  When you use a control group you don't need a large sample size.
- B.
  
  When you have a control group you don't have to do any calculations.
- C.
  
  Control groups allow you to compare those recieving the variable and those that are not.
13.

The measurable factor in an experiment is known as the:
- A.
  
  Independent variable.
- B.
  
  Dependent variable
- C.
  
  Controlled variable
14.

Suzy wanted to know if thicker candles burn longer than thinner candles. Her hypothesis was that if she used a thick candle that it would burn for the longest amount of time. She got ten candles that were all the same brand, height, smell, and color. The only difference in the candles as they were all a different size, She lit them at the same time and recorded how long it took for each candle to burn out. What was her independent variable?
- A.
  
  Thickness of the candle
- B.
  
  Length of time the candle burned
- C.
  
  Color of the candle
15.

The scientific method usually follows a series of steps. The steps a scientist follows are:
- A.
  
  Make a prediction, Run a data, find an experiment
- B.
  
  Hypothesis, Conclusion, Make a prediction, State experiment
- C.
  
  Identify a Problem, Form Hypothesis, Run Experiment, Results, State Conclusion
- D.
  
  Experiment, Data, Conclusion, Test, Hypothesis
16.

A variable is anything that...
- A.
  
  Looks cool
- B.
  
  Smells like its an experiment
- C.
  
  Can change an experiment
- D.
  
  Is not known
17.

How many variables should you TEST at a time in an experiment?
- A.
  
  76,450,304,129,102.2
- B.
  
  0
- C.
  
  1
- D.
  
  17
18.

What is the standard form for this? 3,500,000,000
- A.
  
  3.5*10^9
- B.
  
  3*10^9
- C.
  
  3.5*10^8
19.

What is the scientific form for this? 9.4*10^8
- A.
  
  940,000,000
- B.
  
  94,000,000,000
- C.
  
  9.4,000,000
20.

How many significant figures are in the number 3.0 x 10^-6?
- A.
  
  5
- B.
  
  4
- C.
  
  3
- D.
  
  2
- E.
  
  1
21.

How many significant figures are in the number 1.0001 x 10^-4?
- A.
  
  5
- B.
  
  4
- C.
  
  3
- D.
  
  2
- E.
  
  0
22.

How many significant figures are in the number- 0.00320
- A.
  
  Six
- B.
  
  Five
- C.
  
  Three
- D.
  
  Two
23.

How many significant figures are there in the following measurement: 6000 g
- A.
  
  One
- B.
  
  Two
- C.
  
  Four
- D.
  
  None
24.

6000 has only 1 sig fig. Why?
- A.
  
  It's larger than one.
- B.
  
  It's not in scientific notation.
- C.
  
  Its zeros are place holders.
- D.
  
  It is rounded.
25.

How many significant figures in 1.00 x 10^-2?
- A.
  
  3
- B.
  
  1
- C.
  
  4
- D.
  
  0