Module 1 Test Flashcards
a well-supported, in-depth explanation of a broad range of phenomena
scientific theory
What metric unit measures length
meter
tentative explanation for an observation
hypothesis
What is the difference between a scientific theory and a scientific law?
A scientific theory is an in-depth explanation of a range of phenomenon while a scientific law is a description of a natural phenomenon (usually in mathematical terms)
observations made using numbers or measurements
quantitative observation
any factor that changes in an experiment
variable
How are science and technology related?
Technology is applied science
What metric unit measures volume
liters
What metric prefix means 1,000?
kilo
What is the difference between independent and dependent variables in an experiment?
An independent variable is the one variable that the experiment changes or manipulates. The dependent variable responds to the changes of the independent variable.
observations made using 5 senses
qualitative observation
What metric unit measures mass?
grams
conclusions based on observations, previous knowledge, and available information
inference
List the metrix prefixes in order from smallest to largest
milli, centi, deci, unit, deca, hecto, kilo