NOS Life Science Review

Nature of Science

Unit 1 Life Science
Review and Practice
Mrs. Espinal

Lesson 1: What is Science?

Science: The systematic study of natural

events and conditions.

Multiple Choice

The systematic study of natural events and conditions.

• pseudoscience

• science

• biology

• geology

Empirical Evidence

The observations, measurements, and other types of data that people
gather and test to support and evaluate scientific explanations.

https://youtu.be/JI_3kMr3VGY?si=3hPB4g5Dsi4Z2aad

Multiple Choice

The observations, measurements, and other types of data that people gather and test to support and evaluate scientific explanations.

• pseudoscience

• science

• empirical evidence

• theory

Multiple Choice

______________________________ is scientific evidence obtained by careful observation and experimentation.

• Empirical evidence

• controlled variable

• hypothesis

• conclusion

UNBIASED SCIENTIFIC INFORMATION
​
Information used to create a hypothesis and support your data and conclusions should come from reliable sources, such as:

Peer-review scientific journals/articles
The information in these articles have been reviewed by professional peers (people that work in the same field)



Non-reliable sources:

Websites, Advertisements, Pamphlets. Encyclopedia, and magazine articles

Multiple Choice

What does having bias mean in science?

• having a personal preference

• being fair

Multiple Choice

Dylan is researching a difficult scientific question that he has. Which of these items is a reliable source for him to use for unbiased scientific information?

• Magazine articles

• Encyclopedia

• Peer-Reviewed scientific journals

• Websites

Pseudoscience

A process of investigation that in one or more ways
resembles science but deviates from the scientific
methods.

Astrology and horoscopes

Multiple Choice

Which of the following is an example of a pseudoscience?

• Astrology, like the Zodiac signs

• Astronomy

• Geology

• Physics

Multiple Choice

A scientific claim that can't be tested, it's called Pseudoscience.

• True

• False

Multiple Choice

Another word for evidence is:

• Claim

• Energy

• Star

• Proof

Multiple Choice

The National Weather Service predicts that it will be 88 degrees and rainy on Friday based on current satellite and atmosphere readings.

• Science

• pseudoscience

Multiple Choice

Aliens built the pyramids.

• science

• pseudoscience

Multiple Choice

My birthday falls under the sign Sagittarius, therefore that means that I am energetic and adventerous.

• science

• pseudoscience

Lesson 2: Scientific Knowledge
Theory

● A system of ideas that explains many related observations and is

supported by a large body of evidence acquired through scientific
investigation.

Cell Theory

Atomic Theory

Theory of Evolution

Can change if new evidence

is provided, but it needs to be reevaluated first

Multiple Choice

When scientists obtain new information, what happens to an existing scientific theory?

• It is reevaluated first to see if it needs to change

• It is immediately changed, or revised

• It stays the same

• it becomes a law

Multiple Choice

A system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation.

• Theory

• Law

• Hypothesis

• Question

Law

● A descriptive statement or equation that reliably predicts events under

certain conditions.

Newton’s Laws of Motion

Law of Gravity

Describes things that happen

in nature

Multiple Choice

A descriptive statement or equation that reliably predicts events under certain conditions.

• Theory

• Law

• Hypothesis

• Question

Scientists' Personal Traits

Careful Observation- Using the senses carefully to answer experimental questions
Curiosity- Asking Why and How some things happen
Creativity- Design a good experiment
Logic- Making logical conclusions based on evidence
Skepticism- Not believing everything that is said right away without analyzing the information
Objectivity- Setting aside personal feelings, moods, and beliefs while they evaluate information (not being biased)

Match

Match the following scientific personal trait with its description

• Skeptic

• Creative

• Objective

• Observant

• Curiosity

Not trusting everything

Helps in designing an experiment

Not having bias

Good observational skills

Asking why or how something happens

• Not trusting everything

• Helps in designing an experiment

• Not having bias

• Good observational skills

• Asking why or how something happens

Multiple Choice

Process of investigation that resembles science but does not follow scientific methods

• pseudoscience

• science

• biology

• data