Term
| What is a chemical in the Earth's atmosphere that absorbs most of the radiation that could damage things on Earth? |
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Definition
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Term
| What is any substance with a definite composition? |
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Definition
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Term
| What does ozone consist of? |
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Definition
| three particles of oxygen (O3) |
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Term
| What are the 5 layers of the atmosphere from the Earth upward? |
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Definition
| troposphere, stratosphere, mesosphere, thermosphere, exosphere |
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Term
| About 90% of ozone is located in which layer of the atmosphere? |
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Definition
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Term
| In what layer of the atmosphere contains the air we breathe, all the clouds, where airplanes fly, and all weather? |
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Definition
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Term
| What causes oxygen gas to break down into two individual particles of oxygen? |
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Definition
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Term
| What do individual oxygen particles combine with to form ozone, which consists of 3 particles of oxygen? |
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Definition
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Term
| What is the thinning of the ozone layer called? |
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Definition
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Term
| What is the ozone hole more like than an actual hole? |
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Definition
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Term
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Definition
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Term
| What is Clorofluorocarbon composed of? |
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Definition
| chlorine, fluorine, and carbon |
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Term
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Definition
| coolants, plastic foams, and propellants in spray cans |
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Term
| Are all CFC's synthetic chemicals? |
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Definition
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Term
| Do CFC's usually react readily with other chemicals? |
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Definition
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Term
| Were CFC's developed as replacements for toxic refrigerants? |
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Definition
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Term
| What is the study of matter and the changes it undergoes? |
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Definition
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Term
| What has mass and takes up space? |
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Definition
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Term
| What is the amount of matter in an object? |
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Definition
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Term
| Does mass change with location? |
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Definition
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Term
| What is the gravitational pull on matter? |
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Definition
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Term
| Does weight change with location? |
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Definition
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Term
| Would a person that weighs 75kg on the moon weigh more, less, or the same? |
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Definition
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Term
| Would a person whose mass was 75kg more, less, or the same mass on the moon? |
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Definition
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Term
| Since people can easily be seen without a microscope, what are they termed? |
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Definition
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Term
| Atoms are very small and cannot be see with even the most powerful microscopes. What are they termed? |
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Definition
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Term
| What is the study of matter and processes in living things? |
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Definition
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Term
| What is the study of carbon containing chemicals? |
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Definition
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Term
| What is the study of components and composition of substances? |
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Definition
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Term
| What is the study of matter that does not usually contain carbon? |
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Definition
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Term
| What is the study of behavior and changes of matter and related energy changes? |
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Definition
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Term
| Which branch of chemistry deals with reaction rates? |
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Definition
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Term
| Which branch of chemistry deals with minerals, metals and nonmetals, and semiconductors? |
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Definition
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Term
| Which branch of chemistry deals with metabolism and fermentation? |
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Definition
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Term
| Which branch of chemistry deals with pharmaceuticals and plastics? |
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Definition
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Term
| Which branch of chemistry deals with food nutrients and quality control? |
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Definition
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Term
| What are the steps of the scientific method? |
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Definition
1. Define the problem
2. collect background information
3. form a hypothesis
4. test the hypothesis in an experiments
5. make and record observations
6. draw conclusions and predict |
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Term
| What is the first step of the scientific method? |
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Definition
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Term
| What is the second step in the scientific method? |
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Definition
| collect background information |
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Term
| What is the third step of the scientific method? |
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Definition
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Term
| What is the fourth step of the scientific method? |
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Definition
| test the hypothesis in experiments |
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Term
| What is the fifth step of the scientific method? |
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Definition
| make and record obervations |
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Term
| What is the sixth step of the scientific method? |
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Definition
| draw conclusions and predict |
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Term
| What is another term for the scientific method? |
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Definition
| systematic approach to problem solving |
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Term
| What kind of data is numerical information given in? |
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Definition
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Term
| What type of data/info is related to the five senses (look, feel, sound, taste, or smell)? |
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Definition
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Term
| What is a tentative explanation for an observation or educated guess that can be tested by an experiment? |
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Definition
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Term
| What is something that can change or be changed? |
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Definition
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Term
| What is the variable in an experiment that changes in response to the controlled variable called? |
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Definition
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Term
| What axis is the dependent variable plotted on? |
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Definition
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Term
| What is the variable that is changed or controlled by the experimenter? |
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Definition
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Term
| Where is the independent variable plotted? |
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Definition
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Term
| What is a standard for comparison in an experiment? |
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Definition
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Term
| What is a visual, verbal, and/or mathematical explanation of experimental data called? |
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Definition
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Term
| What states a conclusion that occurs consistently over time (statement doesn't tell why)? |
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Definition
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Term
| What is a broad principle of nature supported over time (tells why and may be changed over time)? |
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Definition
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Term
| What is research undertaken to solve a specific problem? |
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Definition
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Term
| What is the act of gaining knowledge for the sake of knowledge itself? |
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Definition
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Term
| Who discovered the antibiotic penicillin? |
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Definition
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|
Term
| What year did Alexander Fleming discover penicillin? |
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Definition
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Term
| Technically, what is the antibiotic penicillin? |
|
Definition
| a bacteria killing mold called penicillum notatum |
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Term
| What is the practical use of science? |
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Definition
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|
Term
| Who developed the theory of relativity? |
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Definition
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|
Term
| What is the formula for relativity? |
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Definition
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|
Term
| What does e=mc2 stand for? |
|
Definition
| energy=mass x speed of light squared |
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Term
| What is the value and units for speed of light? |
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Definition
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Term
|
Definition
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|
Term
| What does the ATP molecule store and release? |
|
Definition
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|
Term
| Are breathing and respiration the same thing? |
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Definition
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|
Term
| What should you always wear in a lab situation? |
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Definition
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|
Term
| What is the chemical reaction that occurs in plants to make their own food? |
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Definition
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|
Term
| What contains carbon with a few exceptions? |
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Definition
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|
Term
| What contains carbon and hydrogen only? |
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Definition
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|
Term
| What are hydrocarbons with only single bonds between atoms? |
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Definition
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Term
|
Definition
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|
Term
| What is fuel for cooking and heating? |
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Definition
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|
Term
| What is used in small lighters and some torches? |
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Definition
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|
Term
| Count to ten in organic chemistry |
|
Definition
| meth, eth, prop, but, pent, hex, hep, oct, non, dec |
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|
Term
| What is the formula for determining ALKANES? |
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Definition
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|
Term
| What are hydrocarbons that contain one or more DOUBLE covalent bonds between atoms? |
|
Definition
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|
Term
| What is the formula for determining ALKENES? |
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Definition
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|
Term
| What are hydrocarbons with one or more TRIPLE bonds between carbon atoms in a chain? |
|
Definition
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|
Term
| What is the formula for determining ALKYNES? |
|
Definition
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|
Term
| What is the most common alkyne? |
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Definition
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|
Term
| What's another term for ethyne? |
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Definition
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|
Term
| What are functional groups? |
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Definition
| atom or group of atoms that always react in a certain way (change the physical and chemical properties of the parent hydrocarbon) |
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Term
| What changes the physical and chemical properties of the parent hydrocarbon? |
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Definition
|
|
Term
| What do all alcohols have? |
|
Definition
a hydroxyl functional group
(-OH) |
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Term
|
Definition
|
|
Term
| What do carboxylic acids have? |
|
Definition
the carboxyl group
(-COOH) |
|
|
Term
| What is the carbonyl group? |
|
Definition
|
|
Term
| What are another functional group? |
|
Definition
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|
Term
| What does each functional group produce? |
|
Definition
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