scientific reasoning new

What system of measurement is primarily used in healthcare?

Metric system

What are common metric units used in healthcare?

Kilograms grams liters milliliters meters

What is dimensional analysis used for?

Converting units using conversion factors

Why is selecting proper measurement tools important?

To ensure accurate and precise results

What tool measures length?

Ruler meter stick tape measure

What tool measures mass?

Balance scale

What tool measures liquid volume?

Graduated cylinder or volumetric pipette

What is empirical evidence?

Information gathered through observation and experimentation

What are the two types of empirical data?

Qualitative and quantitative

What is reproducibility?

Ability to get consistent results when repeating an experiment

What is cause and effect?

One event produces a measurable result

What is reliability in science?

Data is consistent and trustworthy

What is validity in science?

Data accurately measures what it is supposed to

How is bias avoided in experiments?

Using control groups and controlling variables

What is an independent variable?

Variable being tested or changed

What is a dependent variable?

Variable being measured

What is a controlled variable?

Variable kept constant

What is the scientific method?

Systematic process to investigate questions

What is a hypothesis?

Testable prediction based on research

What is experimental design?

Plan including variables control and procedure

What is the purpose of a conclusion in an experiment?

Determine if results support or contradict hypothesis

What is the base metric unit for length?

Meter

What is the base metric unit for mass?

Gram

What is the base metric unit for volume?

Liter

How do you convert meters to centimeters?

Multiply by 100

How do you convert liters to milliliters?

Multiply by 1000

What are common tools for measuring mass?

Balances and scales

What are common tools for measuring liquid volume?

Graduated cylinders and pipettes

What are common tools for measuring length?

Rulers meter sticks tape measures

What is a large unit of mass?

Kilogram

What is a small unit of mass?

Milligram or microgram

What is a large unit of length?

Kilometer

What is a small unit of length?

Nanometer or picometer

What is qualitative data?

Descriptive observations

What is quantitative data?

Numerical measurements

Why is reproducibility important?

It increases confidence in results

What is an example of cause and effect?

Temperature increase causes sweating

What is the effect in cause and effect?

The result of a cause

What is the cause in cause and effect?

The event that produces an effect

What makes evidence reliable?

Consistency and trustworthiness

What makes evidence valid?

It measures what it is supposed to measure

How can bias be reduced?

Using placebos and controlled variables

What is the first step of the scientific method?

Identify a problem or question

What comes after forming a hypothesis?

Conducting an experiment

What is done after collecting data?

Analyze data and draw conclusions

What is done after analysis?

Communicate results

What is a control group?

Group not exposed to independent variable

Why is sample size important?

Improves accuracy and reliability of results

What are experimental controls?

Conditions kept the same in an experiment

What are possible outcomes of results?

to support, contradict, or inconclusive

What does inconclusive mean?

More research is needed