ES Ch 2 Vocabulary

Front

What is the practice used by scientists to ask questions, gather data, and formulate and test hypotheses?

Back

Scientific Method

Front

What term refers to evidence or information gathered from observations?

Back

Data

Front

What scale is used to measure acidity?

Back

pH

Front

What is the term for stored energy?

Back

Potential Energy

Front

What is a set of interacting parts forming a complex whole called?

Back

System

Front

What is a well-substantiated explanation of an aspect of the natural world?

Back

Scientific Theory

Front

What is a statement based on repeated experimental observations that describes some aspects of the universe?

Back

Scientific Law

Front

What is the term for a proposed explanation for a phenomenon, which can be tested?

Back

Scientific Hypothesis

Front

What is the term for the energy of motion?

Back

Kinetic Energy

Front

What is the term for a change that alters the composition of a substance?

Back

Chemical Change