Introduction to Physical Science

Maria is 123 centimeters tall. Her height in meters is

• 0.0123 m.
• 0.123 m.
• 1.23 m.
• 12.3 m.

A loaf of bread weighs 1362 g. The weight in kilograms is

• 1.362 kg.
• 1362 kg.
• 0.1362 kg.
• 0.013 62 kg.

An important science skill is critical thinking. This means

• thinking logically to solve a problem.
• discovering the shortcomings of others.
• knowing when something is very important.
• testing a hypothesis during an experiment.

Any factor in an experiment that can change is referred to as a

• constant
• variable
• control
• data

 If you do not understand a direction or part of a lab procedure, you should 

• skip it and go on to the next part.
• ask the instructor before proceeding
• try several methods until something works
• figure it out as you do the lab

If an acid is splashed on your skin, wash at once with 

• weak base
• soap
• plenty of water
• oil

Read all procedures thoroughly before entering the laboratory

• True
• False

What is the abbreviation for milligram ?

• g
• m
• mg
• ml

What does the abbreviation km stand for?

• kilo
• kilometer
• kilogram
• meter

What does the abbreviation L stand for?

• Lateral
• Length
• Liter
• Lithium