Chapter 1 Holt

Front

What is a variable in an experiment?

Back

A factor that changes in an experiment in order to test a hypothesis.

Front

What is the definition of science?

Back

Science is the systematic study of the structure and behavior of the physical and natural world through observation and experiment.

Front

How is weight defined in scientific terms?

Back

Weight is a measure of the gravitational force exerted by an object.

Front

What does mass refer to in a scientific context?

Back

Mass is a measure of the amount of matter in an object.

Front

What constitutes a scientific theory?

Back

A scientific theory is an explanation for some phenomenon that is based on observations and has been tested through experimentation.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What role do hypotheses play in scientific experiments?

Back

Hypotheses are testable predictions that can be confirmed or refuted through experimentation.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is an observation in the context of science?

Back

An observation is the act of noting and recording something with instruments or through the senses.

Front

What is the importance of peer review in science?

Back

Peer review is important because it helps ensure the validity and reliability of scientific research by having other experts evaluate the work.