FREE AND STUDY GAMES ABOUT CHEM I UNIT EXAM

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FREE AND STUDY GAMES ABOUT CHEM I UNIT EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -61 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: ____, _____, Revised Hypothesis. (chart)

Answer:

(1)Experiments, (2)Conclusions (chart)

Question 2: The study of the matter and processes of living things.

Answer:

Biochemistry

Question 3: (A/P) Seeks to gain knowledge for the sake of knowledge itself.

Answer:

Pure Research

Question 4: What kinds of clothing should not be worn in the lab?

Answer:

loose, draping clothing; dangling jewelry; open-toe shoes.

Question 5: Mass

Answer:

is a measurement that reflects the amount of matter.Question 6: Earth's (1)____ is made up of several layers. The air we breathe makes up the lowest level. This layer is called the (2)____. The next layer up is called the (3)____. This level contains a protective (4)____ layer.

Answer:

(1) Atmosphere (2) Troposphere (3) Stratosphere (4) Ozone

Question 7: The mass of an object can very with the object's location.

Answer:

False

Question 8: (T/F) CFCs are made up of carbon, fluorine, and cesium.

Answer:

False (Chlorine, Fluorine, and Carbon)

Question 9: Reaction rates; Behavior and changes of matter.

Answer:

Physical Chemistry

Question 10: The act of gathering information.

Answer:

Observation Question 11: The study of the behavior and changes of matter and the related energy changes.

Answer:

Physical Chemistry

Question 12: Molina and Rowland used a (model, scientific method) to learn about CFCs in the atmosphere.

Answer:

Scientific Method

Question 13: A constant is a factor that-

Answer:

is not allowed to change during an experiment.

Question 14: Refers to mass, volume, and temperature measurements.

Answer:

Quantitative Data

Question 15: Metabolism; processes of living organisms.

Answer:

Biochemistry

Question 16: Macroscopic vs Submicroscopic (in your own words)

Answer:

The macroscopic world can be seen with the naked eye. Submicroscopic makes up the microscopic.Chemists want to understand the submicroscopic, so they can understand the microscopic.

Question 17: (A/P) Is used to find CFC replacement.

Answer:

Applied Research

Question 18: The study of the components and composition of substances.

Answer:

Analytical Chemistry

Question 19: Chemistry

Answer:

the study of matter and the changes that it undergoes.

Question 20: A theory is a(n)-

Answer:

explanation supported by many experiments.

Question 21: Your mass on the Moon would be smaller than your mass on Earth.

Answer:

False

Question 22: (A/P) Was conducted by Molina and Rowland.

Answer:

Pure Research

Question 23: (T/F) CFC is another name for a chlorofluorocarbon.

Answer:

True

Question 24: Changes in value based on the value of the controlled variable.

Answer:

Dependent Variable

Question 25: Scientists measure the amount of matter in terms of mass.

Answer:

True Question 26: Relationship between CFCs and the DEPLETION of OZONE. (in your own words)

Answer:

Ultraviolet radiation breaks down CFCs. The CFCs chlorine causes ozone depletion.

Question 27: *Hypothesis supported by many experiments. (chart)

Answer:

Theory (chart)