Lab Practical 1

The metric system of measurement is based on a unit of

• Ones

• Fives

• Tens

• Tenths

In science, we always use the ________ scale for temperature measurements

• Gram

• Liter

• Metric

• Celcius

• Fahrenheit

(Use the Box at the desk for Question 3) What is the length of this item in centimeters?

• 5cm

• 9cm

• 4.5in

• 9.5cm

A mass of 67.59mg could also be correctly written as

• 67.59 cg

• 0.06758 g

• 67,590.0 kg

• 67.59 m

What device would be used to measure volume?

• pipette

• ruler

• balance

• thermometer

• all of the above

Which item would be used to measure 75 ml of water quickly and accurately

• 5 ml pipette

• 250 mL beaker

• 100 mL graduated cylinder

• Tablespoon

Where is the meniscus in the picture of the graduated cylinder

• z

• y

• x

Scientific Information:

• Should be objective

• Can be obtained by experimentation

• Is subjected to rigorous retesting

• Can change

• All of the above are true

Which of the following is the correct order of the Scientific Method?

• Observation, question, hypothesis, experimentation

• Hypothesis, question, observation, theory

• Experimentation, question, hypothesis, observation

• Hypothesis, experimentation, hypothesis, observation

• Question, observation, experimentation, hypothesis

A Theory:

• In an educated guess

• Does not involve experimentation

• Is the same as a hypothesis

• Has been completely proven

• Is widely accepted