Uploaded by Melanie Rosier

Quiz 1 - Safety symbols, lab equipment, scientific method

advertisement
Name:
Date:
Block:
Match the following safety symbols to their names and/or descriptions.
1. _____
A. Fume Safety
1. _____
A. Chemical Safety
B. Sharp Object
1. _____
A. Description: This symbol appears when
substances used could stain or burn clothing.
1. _____
1. _____
1. _____
A. Thermal Safety
A. Description: This symbol appears whenever
live animals are studied and the safety of the
animals and the students must be ensured.
A. Disposal Alert
1. _____
1. _____
1. _____
1. _____
1. _____
1. _____
1. _____
1. _____
A. Explosion Safety
A. Open Flame Alert
A. Biological Hazard
A. Description: This symbol appears when
poisonous plants or plants with thorns are
handled.
A. Description: This symbol appears when a
danger to the eyes exists.
A. Description: This symbol appears when care
should be taken when using electrical
equipment.
A. Radioactive Safety
Using the word bank, write the name of the following lab equipment in the
blank provided.
Forceps
graduated cylinder
Test-tube holder
mortar and pestle
Beaker
rubber stopper
Stirring rod
Erlenmeyer flask
funnel
petri dish
thermometer
Bunsen burner
27. What’s the difference between quantitative and qualitative data?
a. Qualitative data measures actual numbers, while quantitative data does not.
b. Quantitative data measures actual numbers, while qualitative data does not.
c. Qualitative data comes only from the scientific method, while quantitative data comes from any
experiment.
d. Quantitative data can be graphed, while qualitative data cannot.
28. What’s the first thing a scientist should do when starting the scientific method process?
a. Make a hypothesis
b. Ask a questions
c. Determine the problem
d. Collect data
29. What 4 things must a hypothesis be in order to be valid?
a. A prediction, statement, testable, and measurable
b. A question, opinion, fact, and conclusion
c. A prediction, opinion, testable, and quantitative
d. A question, statement, data, and conclusion
30. What should you do after you make your conclusion?
a. Correct mistakes
b. Updating the experiment for better results
c. Decide what can be tested next
d. All of the above
Download