Experimental Design and Variables Quiz

What is the purpose of the scientific method?

To provide scientific explanations for questions about the world (correct)
To document historical events
To promote religious beliefs
To create fictional stories

What is the role of background research in the scientific method?

It promotes bias in the experiment
It has no impact on the experiment
It helps the scientist form a hypothesis (correct)
It creates obstacles for the scientist

What is a hypothesis in the context of the scientific method?

A belief based on superstition
A proposed explanation that can be empirically tested (correct)
A random guess without any basis
A religious doctrine

What does an experiment provide in the scientific method?

Empirical data for a specific hypothesis (B) Signup and view all the answers

What is empirical data in the context of the scientific method?

Verifiable information by observation and/or experience (D) Signup and view all the answers

Who is credited with the first documentation of the scientific method?

Sir Francis Bacon (C) Signup and view all the answers

What is the first step of the scientific method?

Ask a Question (B) Signup and view all the answers

What should a scientist do after asking a question in the scientific method?

Conduct Background Research (D) Signup and view all the answers

What comes after conducting background research in the scientific method?

Formulate a Hypothesis (C) Signup and view all the answers

What is important when designing an experiment in the scientific method?

Controlling all variables except the Independent Variable (IV) (D) Signup and view all the answers

What should be done after collecting data in the scientific method?

Analyze the Data (C) Signup and view all the answers

What determines if the differences observed in the data are truly due to the independent variable in the scientific method?

Statistical testing for significance (C) Signup and view all the answers

What is the purpose of an experimental design?

To create controlled conditions for an experiment to limit outside interference (C) Signup and view all the answers

What is the difference between a scientific law and a scientific theory?

A scientific theory is well supported by evidence through investigations, while a scientific law is a pattern typically established through an equation (D) Signup and view all the answers

What is the purpose of formulating a hypothesis?

To provide an educated guess about the experiment outcome (C) Signup and view all the answers

What role does the control group play in an experiment?

It remains under normal unchanged conditions and is used for comparison with the experimental group (A) Signup and view all the answers

Why do scientists use existing theory to create a good experiment?

To ensure the experiment is based on sound scientific principles (B) Signup and view all the answers

What is the first step in the experimental design process?

Define variables (D) Signup and view all the answers

What is the next step if the data supports the hypothesis?

Retest the hypothesis for accuracy (C) Signup and view all the answers

What is the purpose of peer review in the scientific method?

To raise questions and propose changes for experiment validity (A) Signup and view all the answers

What should scientists do if they want to avoid bias in their experiment's results?

Conduct repeat testing and peer review (A) Signup and view all the answers

What happens once a hypothesis has been supported by a significant amount of peer reviewed experiments?

It becomes a scientific theory (D) Signup and view all the answers

What is the purpose of retesting the data if it supports the hypothesis?

To ensure accuracy of the initial finding (A) Signup and view all the answers

What does bias in forming a hypothesis impact most significantly?

The interpretation of data and conclusions (A) Signup and view all the answers

What is the purpose of conducting experiments under the same conditions and only changing the independent variable?

To ensure that the results are not affected by external factors (C) Signup and view all the answers

Why do many science vocabulary terms become increasingly difficult to understand?

Because they are rooted in different languages like Greek and Latin (A) Signup and view all the answers

What is the significance of using Greek and Latin words in scientific terminology?

They have been universally used in science and influenced scientific terminology (D) Signup and view all the answers

How do morphemes contribute to understanding common science terms?

Morphemes provide a way to break down and understand parts of words (C) Signup and view all the answers

Why is it important for scientists to be familiar with the root, prefix, or suffixes of scientific terms?

To understand the meanings and origins of scientific terms (B) Signup and view all the answers

What is the purpose of creating a good experiment for science?

To ensure accurate results and reliable conclusions (B) Signup and view all the answers

What is the suffix of the term 'biology' and what does it mean?

-ology, meaning 'study of' (B) Signup and view all the answers

What does the prefix 'hydro-' refer to?

Water (D) Signup and view all the answers

What does the suffix '-cephalus' refer to?

Head (B) Signup and view all the answers

What are the three main word parts of a word?

Roots, prefixes, suffixes (B) Signup and view all the answers

What does the prefix 'phago-' translate to?

To eat (D) Signup and view all the answers

What does the suffix '-osis' refer to?

Abnormal condition (D) Signup and view all the answers

What type of learner prefers learning by hearing new information?

Auditory or verbal learner (D) Signup and view all the answers

What type of learner benefits from looking at pictures or charts to understand new material?

Visual learner (B) Signup and view all the answers

What is the definition of physical properties of matter?

Properties that describe the property visually or with measurement but do not affect the chemical composition of a substance (C) Signup and view all the answers

What happens when a particular type of matter changes state from solid to liquid?

It undergoes a physical change (A) Signup and view all the answers