Chapter 1 Physical Science Vocabulary

Front 1

Constant

Back 1

Variable that is not changed in an experiment

Front 2

Controlled Experiment

Back 2

Involves changing one factor and observing its effect on one thing while keeping all other things constant

Front 3

Critical Thinking

Back 3

Involves using knowledge and thinking skills to evaluate evidence and explanations

Front 4

Data

Back 4

Information gathered during an investigation; recorded in the form of description, tables, graphs, or drawings

Front 5

Dependent Variable

Back 5

Variable that changes as a result of a change in the independent variable

Front 6

Earth Science

Back 6

Study of Earth Systems and systems in space, including weather and climate systems, and the study of nonliving things such as rocks, oceans, and planets

Front 7

Hypothesis

Back 7

Reasonable guess that can be tested and is based on what is known and what is observed

Front 8

Independent Variable

Back 8

Variable that is changed in an experiment

Front 9

Infer

Back 9

To draw a conclusion based on observation

Front 10

Life Science

Back 10

Study of living systems and how they interact

Front 11

Model

Back 11

Any representation of an object or an event that it's used as a tool for understanding the natural world; can communicate observations and ideas, test predictions, and save time, money and lives

Front 12

Physical Science

Back 12

Study of matter, which is anything that takes up space and has mass, and the study of energy, which is the ability to cause change

Front 13

Science

Back 13

Way of learning more about the natural world that provides possible explanations to questions and involves using a collection of skills

Front 14

Scientific Law

Back 14

A rule that describes a pattern in nature but it's not try to explain why something happens

Front 15

Scientific Theory

Back 15

A a possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigations

Front 16

System

Back 16

Collection of structures, cycles, and processes that relate to and interact with each other

Front 17

Technology

Back 17

Use the science to help people in some way

Front 18

Variable

Back 18

Factor that can be changed in an experiment