Why is Chemistry referred to as "The Central Science"?

Chemistry is interconnected with a vast array of science disciplines.

Chemistry is more important than any other scientific discipline.

Chemistry was developed in the Central part of the world.

Chemistry class is centrally located at this school.

What is the most important reason to communicate the results of scientific experiments to peer review?

So that others can further validate the research and confidently use this new information in other research.

To get recognition and awards for the new discoveries made.

So that others can point out sources of error to invalidate the research.

To receive invitations to talk at different conferences and publish in different journals.

A scientific law and a scientific theory are similar in that both

describe the events that can be observed in nature.

are based on what we expect to happen based on natural history.

explain how and why events and conditions occur as they do in the natural world.

represent a large body of scientific investigation and evidence.

Which sentence best describes a scientific theory?

It is well-tested and explains a wide range of observations.

It should change every time it is tested.

What is an independent variable?

the factor/variable being changed (by you) on purpose (aka manipulated)

the effect you are looking for (measurable) (aka responding)

Some scientists were interested in testing how eating apples impacted human health. They had one group eat 10 apples a day and one group eat 0 apples a day. Then, they evaluated various measurements of human health. What was the control group in this experiment?

The group that ate 10 apples a day

The measurements of human health

Why is creativity considered a scientific attitude?

Creativity helps scientists come up with different experiments.

Creative scientists imagine the results of experiments without doing them.

Scientists need creativity to make good posters to explain their ideas.

Scientists who are creative are better at handling and training animals.

Students wanted to see if the type of material affected the temperature after being placed under a heat lamp for 10 minutes. What is the dependent variable for this investigation?

Type of material (rocks, sand etc)

Nature of Science/Chemistry Review

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NGSS

HS-PS1-2, HS-PS1-3, MS-LS1-5

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Sarah Muller

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60 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The path of discovery that leads from question and observation to law or hypothesis to theory, combined with experimental verification of the hypothesis and any necessary modification of the theory is referred to as the

Observation

Research Question

Experiment

Scientific Method

Tags

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Using the senses or a measurement device to gather information is called a(n)

Observation

Experiment

Hypothesis

Theory

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-5

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A test designed to specifically support or refute a proposed hypothesis is a(n)

Experiment

Data

Law

Theory

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A well-substantiated, comprehensive, testable explanation of a particular aspect of nature is called a(n)

Hypothesis

Theory

Law

Experiment

Tags

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A proposed explanation for a single phenomenon that can be supported or refuted through carefully crafted experimentation or observation is a(n)

Experiment

Hypothesis

Law

Theory

Tags

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A statement that summarizes a vast number of experimental observations, and describes or predicts some aspect of the natural world is a(n)

Hypothesis

Theory

Law

Experiment

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A scientific law attempts to explain WHY some aspect of the natural world is occurring.

True

False

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The path of discovery that leads from question and observation to law or hypothesis to theory, combined with experimental verification of the hypothesis and any necessary modification of the theory is referred to as the

Using the senses or a measurement device to gather information is called a(n)

A test designed to specifically support or refute a proposed hypothesis is a(n)

A well-substantiated, comprehensive, testable explanation of a particular aspect of nature is called a(n)

A proposed explanation for a single phenomenon that can be supported or refuted through carefully crafted experimentation or observation is a(n)

A statement that summarizes a vast number of experimental observations, and describes or predicts some aspect of the natural world is a(n)

A scientific law attempts to explain WHY some aspect of the natural world is occurring.

A scientific theory attempts to explain WHY some aspect of the natural world is occurring

A hypothesis is an attempt to explain why a particular fact has been observed for a single event that must be tested.

A scientific law can become a scientific theory over time.

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