Scientific Method (6)

What is a hypothesis?

A special kind of prediction that forecasts how one variable affects a second variable

Why are observations important?

They are important because they help describe what is happening, and they also help record and collect data

What is a qualitative observation?

An observation you make using your senses

What is a quantitative observation?

An observation you make using numbers (measuring)

What is the difference between an observation and an inference?

An observation is information collected using your sense, while an inference is deduction based off of your observations

What is a variable?

A factor in an experiment that may change

What are 3 variables in an experiment?

Dependent Variable; Independent Variable; Controlled Variable

What is the tested variable called?

Dependent Variable

What is the variable that is purposely changed called?

Independent Variable

What is the variable in an experiment that must stay the same throughout called?

Controlled Variable

What are the basic components of a graph?

Title; Axis; Labels; Key; Scale

What does the prefix kilo mean?

1,000

What does the prefix hecto mean?

100

What does the prefix deca mean?

10

What does the prefix deci mean?

0.1
1/10

What does the prefix centi mean?

0.01
1/100

What does the prefix milli mean?

0.001
1/1,000