Scientific Method
Variables
Vocabulary
Vocabulary 2 & Scientific Method
Belief, Hypothesis, Fact, Theory, or Law
100

An educated guess

hypothesis

100

This is the varaible changed by the investigator

The independent variable.

100

What is seen during the experiment that is measured with your senses or a tool.

Observation

100
The main goal that the project or lab must meet to guide the scientist/engineer to completion.

Criteria (for success)

100

An idea not backed by extensive evidence. Example: People with blonde hair are more fun.

Belief

200

A method used by scientists to answer an investigative question.

Scientific method

200

This variable is recorded as data in the data table.

Dependent Variable

200

An explanation made about the observation.

Inference

200

A roadblock, limitation or barrier that prevents you from achieving success.

Constraint

200

A true statement. Example:  It’s raining outside.

Fact

300

After a hypothesis is made, scientists usually do this...

Experiment

300

These stay the same in an investigation

Controls

300

Data that describes what is sensed by the senses, describes the quality of something. IE: The music made them feel happy.

Qualitative Data

300

A factor that is held constant in an investigation, it doesn’t change.

Controls

300

The strongest level of knowledge progression in science.

Law

400
Scientists do this to come to a conclusion about whether to accept or reject their hypothesis.

Analyze data

400

Jessie and James wanted to know how the color of light affects plant height. What is the independent variable in this investigation?

Color of Light

400

Data that is numerical in nature.

Quantitative Data

400

What could be one control for this investigation?

Which lake, Crescent or Southerland, had the most jet skiers in August?

sample at same time of day 

sample for the same amount of time daily

same investigators doing the investigation

etc...

400

Malik and Eliana learned how evolution occurs through natural selection. Is this a belief, hypothesis, fact, theory or law?

Theory

500

Usually the last 2 steps of the scientific method.

Writing a scientific conclusion and share out data.

500

Sally and Stevie wanted to know how the type of material the ball was made of affected how high it bounced. What is the dependent variable?

How high the ball bounced

500

The most logical explanation of why something happens in science, strongly supported by multiple lines of evidence.

Scientific theory

500

Stevie and Joaquin wanted to know which soda, Coke or Pepsi, tastes the best. They set up a soda stand and charged the patrons to vote with the proceeds going to the winning team's favorite charity.

What is the independent and dependent variable?

What could be two controls for this experiment?

Is the investigation qualitative or quantitative?


500

A “mathematical” equation showing the relationship between two science ideas.

Law