Lab Safety
Syllabus/Scientific Method
Significant Figures, Observations/Inference
Accuracy/Precision, Measurements
Measurement Conversion
100

What is not allowed in the lab to prevent accidents or injuries?

Horseplay, practical jokes, or pranks in the classroom

100

Whan are you are not allowed to use the restroom?

during the first and last 15 minutes of class

100

What is an observation?

use of senses to explain what is happening

100

What is the precision and accuracy for this dart board?

High precision and Low Accuracy

100

convert: .753 km = _____ m

753 meters

200

If a piece of equipment is not working properly, stop, turn it off, then?

notify the teacher

200

What is a hypothesis?

an educated guess

200

How many significant figures in 08002.507

What is 7

200

What measurement instrument is this?

a beaker

200

convert 300.784 l = ______ kl

.300784 kl

300

What should you do before you leave the science room you should clean your area?

put equipment away and wash your hands

300

Which area in grading is worth the most?

labs, projects, and presentations

300

The girl got dirty because she fell down. Is this an observation or inference?

Inference

300

What metric unit is used to measure time?

seconds

300

convert 57 cg = _____ g

.57 g

400

What should you do if you do not understand a direction or part of a laboratory procedure?

you should ask the teacher

400

What step does every scientific method begin with?

question/problem

400

How many significant figures are in this number 106.05 x 10?

5

400

What is the accuracy and precision for this?

Low Accuracy and Low Precision

400

convert: 789 mm = ______ m

7.89 m

500

After completing an experiment, how should chemical waste be disposed of?

dispose in designated container

500

List the 6 steps of the Scientific Method in order.

question/problem, research, hypothesis, experiment, analyze data, conclusion

500

24 months = ______

2 years

500

What unit would you use to measure the mass of an elephant?

kilograms

500

convert: 7687.2 cg = ______kg

.076872 kg

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