Nature of Science & Technology (Ch.1)

Vocab

100

Observations that deal with a number or amount are called:

Quantitative Observations

200

Explaining or interpreting the things you observe based on reasoning from what you already know is called:

Inferring

300

Using one or more of your senses to gather information is called:

Observing

400

Making a forecast of what will happen in the future based on past experience or evidence is called:

Predicting

500

A statement that describes what scientists expect to happen every time under a particular set of conditions is a:

Scientific Law

True or False

100

In a scientific experiment, the one variable that is purposely changed to test a hypothesis is called the MANIPULATED variable.

True.

200

Unlike a scientific theory, a scientific HYPOTHESIS describes an observed pattern in nature without attempting to explain it.

False- LAW.

300

A scientific law is based on repeated INFERENCES made over long periods of time.

False- OBSERVATIONS

400

A HYPOTHESIS is a factor that can change in an experiment.

False- VARIABLE

500

LIFE SCIENCE includes the study of motion, sound, light, electricity, and magnetism.

False- PHYSICAL SCIENCE

Fill in the Blank

100

A well-tested explanation for a wide range of observations or experimental results is called a scientific _________.

Theory

200

A summary of what you have learned from a scientific experiment is called a ___________.

Conclusion

300

An experiment in which only one variable is manipulated at a time is called a __________ experiment.

Controlled

400

__________, which is the process of grouping together items that are alike in some way, helps scientists organize information.

Classifying

500

When scientists create a representation of a complex process, they are ________ ________.

Making Models

Multiple Choice

100

Which of the following are NOT examples of data: a) measurements b) quantitative observations c) qualitative observations d) theories

d) theories

200

Which of the following is an example of thinking scientifically about a topic? a) investigating the invention of bicycles b) reading a consumer report about bicycles c) evaluating the costs of bicycles d) finding out how bicycles work

d) finding out how bicycles work

300

Observations that deal with descriptions that cannot be expressed in numbers are called: a) operational observations b) qualitative observations c) quantitative observations d) manipulated observations

b) Qualitative Observations

400

An organized way to collect and record scientific observations is with a(n): a) operational definition b) inference c) data table d) model

c) Data table

500

Many nonscience careers require a knowledge of science because workers must: a) use materials and processes that follow scientific principles b) use the process of scientific inquiry c) keep up with new developments in science d) develop new scientific laws and theories

a) Use materials and processes that follow scientific principles

MORE Vocab

100

A possible explanation for a set of observations or answer to a scientific question is called a:

Hypothesis

200

During an experiment, which factors must be controlled so that researchers can draw logical conclusions from the experiment?

Variables

300

The factor that may change in response to the manipulated variable is called the:

Responding variable

400

The knowledge and understanding of scientific terms and principles required for evaluating information, making personal decisions, and taking part in public affairs is:

Scientific literacy

500

A statement that describes how to measure a particular variable or how to define a particular term is a:

Operational definition