Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Freeman - Ch. 1 - 2
Review cards for test on chapters 1 and 2
| Question | Answer |
|---|---|
| This branch of chemistry would determine the composition of a moon rock sample. | analytical chemistry |
| This branch of chemistry would do research on making a new medicine to treat high blood pressure. | biochemistry |
| This branch of chemistry would investigate ways to regulate the rate of gasoline burning in an automobile engine. | physical chemistry |
| This branch of chemistry would improve the method for extracting iron from iron ore. | inorganic chemistry |
| This branch of chemistry would develop new plastics. | organic chemistry |
| The study of essentially all chemicals that contain carbon. | organic chemistry |
| The study of the mechanism, rate, and energy transfer in chemical reactions. | physical chemistry |
| The study of the chemistry of organisms. | biochemistry |
| Anything that has mass and takes up space. | matter |
| research directed toward a goal or application. | applied chemistry |
| the pursuit of chemical knowledge for its own sake. | pure chemistry |
| The amount of matter a substance contains. | mass |
| The variable that is observed during an experiment. | dependent variable |
| A proposed explanation for an observation. | hypothesis |
| a means to test a hypothesis | experiment |
| a logical approach to the solution of a scientific problem | scientific method |
| information obtained through one's senses. | observations |
| variable that one changes during an experiment. | independent variable |
| What a hypothesis can become after repeated, successful experimentation. | theory |
| Another name for the independent variable. | manipulated variable |
| Another name for the dependent variable. | responding variable |
| This describes many observations and experiments but does NOT explain them. | scientific law |
| Scientists working together to solve a problem is called __. | collaboration |
| Using journals and published articles is a way scientists __ results of experiments. | communication. |
| __ developed processes for separating mixtures and purifying chemicals. | alchemists |
| This famous alchemist transformed alchemy into chemistry. | Antoine Lavoisier |
| This type of physical property deal with the amount of matter. | Extensive property |
| This type of physical property deal with the type of matter. | Intensive property |
| Another name for extensive properties is __. | Quantitative properties |
| Another name for intensive properties is __. | Qualitative properties. |
| Mass, volume, and pressure are examples of __ properties. | Extensive properties |
| Color, density, and alkaline nature are examples of __ properties. | Intensive properties |
| Matter that has uniform and definite composition. | substances |
| Matter with varied composition. | mixture |
| A physical combination with one phase | homogeneous mixture |
| Another name for homogeneous mixtures. | Solutions |
| A physical combination with more than one phase. | heterogeneous mixture |
| A physical property can be __ or __ without changing composition. | measured or observed |
| State of matter that has indefinite shape, but definite volume. | liquid |
| State of matter that is easily compressed | gas |
| State of matter with definite shape and is not easily compressed. | solid |
| The particles of __ are closely packed, but can freely flow | liquids |
| The state of matter that has particles spaced far apart, but have electrical charge. | plasma |
| A gaseous state of a substance that is usually a solid or liquid at room temperature. | vapor |
| A mixture of solid, water vapor, and gas particles suspended in the water vapor. | smoke |
| These changes occur without changing a substance's composition | physical changes |
| These changes occur by changing one or more substance's composition(s). | chemical changes |
| Freezing and boiling are examples of this type of physical change. | reversible physical change |
| Breaking and cutting are examples of this type of physical change. | irreversible physical change |
| This process is used to separate solids from liquids in a heterogeneous mixture. | Filtration |
| This process is used to separate dissolved solids from a solution. | evaporation |
| This process is used to separate a mixture of liquids with different boiling points. | distillation |
| This process is used to separate different colored inks. | chromatography |
| Horizontal rows of a periodic table are called this. | periods |
| Vertical columns of the periodic table are called this. | groups or families |
| Each element on the periodic table is represented by this. | chemical symbol |
| The elements on the periodic table are arranged by increasing __. | atomic number |
| The periodic table shows information about this type of substance. | elements |
| A substance that can be broken down by chemical means. | compound |
| Subscripts in a chemical formula indicate the relative __ of elements in a compound. | proportion (number)T |
| The ability of a substance to undergo a chemical change is called this. | chemical property |
| The starting substances in a reaction are called __. | reactants |
| The substances at the end of a chemical reaction are called __. | products |
| A solid formed from solutions is called this. | precipitate |
| The mass of reactants must be equal to the mass of the products in a chemical reaction is explained by this. | Law of Conservation of Mass |
Created by:
sefreeman68