Unit 1 - Physical Sci - Dimensional Analysis

You know that 12 inches = 1 foot.  Convert 60 inches to feet.

• 720 feet
• 5 feet
• 5 inches
• 72 feet

You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.

• 25 mg
• 25,000 mg
• 250 mg
• 2500 mg

The length of a desk is 3.5 feet. How many centimeters is the length? 
(there are 2.54 cm in an inch)

• 60
• 120.23
• 106.68
• 117.12

How many dimes equals 14 quarters?

• 140 dimes
• 35 dimes
• 70 dimes
• 20 dimes

What unit should be in the denominator of the conversion factor?

• yards
• leagues
• feet
• fathoms

The variable that is varied or manipulated by the researcher.

• dependent variable
• independent variable
• control
• experiment

A testable prediction.

• law
• conclusion
• hypothesis
• control

What is a factor that is measured for change in an experiment?

• control
• constant
• independent variable
• dependent variable

What are all the things that are kept the same in an experiment?

• controls
• data
• constants
• independent variables

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid