Chemistry Is a Physical Science

The study of the composition, structure, and properties of matter; the processes that matter undergoes; and the energy changes that accompany those processes best describes the science of

• biology.

• physics.

• astronomy.

• chemistry.

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The branch of chemistry that involves the study of substances and processes occurring in living things is called

• biochemistry.

• organic chemistry.

• physical chemistry.

• theoretical chemistry.

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The branch of chemistry that deals with substances containing carbon is called

• biochemistry

• organic chemistry.

• physical chemistry.

• analytical chemistry.

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Using mathematical models and computer models to understand a chemical principle is an example of

• biochemistry.

• physical chemistry.

• analytical chemistry.

• theoretical chemistry.

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A team of scientists is analyzing evidence from a crime scene and keeping records that might be used in court. The best description of their work is

• forensic chemistry.

• green chemistry.

• pharmaceutical chemistry.

• alchemy.

Two chemistry students are investigating the properties of quartz crystals. They are most likely studying in the field of

• biochemistry.

• physical chemistry.

• organic chemistry.

• inorganic chemistry.

The definition of a chemical is

• a toxic substance made in a laboratory.

• an unnatural material added to foods.

• any substance that has a definite composition.

• anything that has mass and takes up space.

The goal of basic research is to

• find a solution to a particular problem.

• produce new chemicals.

• increase knowledge.

• discover new technologies.

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A scientist is working on developing refrigerants that do not release chemicals that destroy the ozone layer. This is best described as an example of

• basic research.

• applied research.

• technological development.

• biochemistry.

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Technological applications often

• occur by accident.

• degrade our quality of life.

• lag far behind basic and applied research.

• have little effect on our lives.

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