The Nature of Science

The factor in an experiment that can change if the factor that is manipulated by the experimenter is changed is known as the

• Constant

• Controlled variable

• Dependent variable

• Independent variable

The factor in an experiment that is manipulated by the experimenter is known as the

• Constant

• Controlled variable

• Dependent variable

• Independent variable

__________ exists in an experiment as a standard for comparison.

• Constant

• Controlled variable

• Dependent variable

• Independent variable

__________ is a suggested explanation for an observation often stated in the form of a question that can be answered by the results of an experiment.

• Educated guess

• Hypothesis

• Hypothetical premise

• Theory

The SI base unit of length is the

• gram

• liter

• meter

• second

The SI base unit of mass is the

• kilogram

• liter

• pound

• ton

The SI base unit of temperature is

• Absolute zero

• Celsius

• Fahrenheit

• Kelvin

The SI base unit of weight is

• Gram

• Kilogram

• Newton

• Pound

Which of the following is accurate but not precise?

• (a)

• (b)

• (c)

• (d)

Convert 5,284,200,000,000 to scientific notation.

• 5.2842x10^-12

• 5284.2x10^-9

• 5284.2x10⁹

• 5.2842x10¹²