Scientific Vocab.
Variables & Experiments
Data & Evidence
Trials, Repetition & Replication
Observations & Inferences
100

Factual information gathered using our 5 senses

What is an observation

100

The one factor that scientists purposely change in an experiment.

What is the independent variable (test variable)?

100

Facts, figures, or evidence collected during an experiment.

What is data?

100

Each time an experiment is repeated, it is called this.

What is a trial?

100

A statement based on what you can see, hear, taste, touch, or smell.

What is an observation?

200

An educated guess about what will happen based on prior knowledge

What is a hypothesis?

200

The factor that is measured or observed in an experiment.

What is the dependent variable (outcome variable)?

200

Data that uses numbers or measurements.

What is quantitative data?

200

Conducting at least 3 trials in an experiment is called this.

What is repetition?

200

A conclusion based on observations.

What is an inference?

300

The orderly process where scientists gather evidence to answer a question.

What is the scientific method?

300

The variables that stay the same throughout an experiment.

What are controlled variables (constants)?

300

Data that describes qualities or characteristics, not numbers.

What is qualitative data?

300

When another scientist repeats your experiment exactly, it’s called this.

What is replication?

300

Saying “The plant grew 5 cm taller” is this type of data.

What is quantitative data?

400

This type of investigation tests only one variable.

What is a controlled experiment?

400

A group that does not receive the test variable and is used for comparison.

What is the control group?

400

Examining data to find patterns.

What does it mean to analyze?

400

Why do scientists perform 3 trials?

To make sure results are valid and reliable.

400

Saying “The plant looks healthier than before” is this type of data.

What is qualitative data?

500

Summarizing results after analyzing the data is called this.

What is a conclusion?

500

An investigation that has more than one variable being changed.

What is an investigation?

500

Why should scientists use reliable sources in research?

To ensure the information is accurate and trustworthy.

500

Replication helps confirm that data is this.

What is reliable and valid?

500

Predicting “If I add fertilizer, then the plant will grow taller” is an example of this.

What is a hypothesis or prediction?