lab 1

Question 1

The study of life

Answer 1

Biology

Question 2

A molecule that releases hydrogen ions in solution

Answer 2

Acid

Question 3

A logarithmic scale that indicates the concentration of hydrogen ions. the scale goes from 0-14, with zero representing high concentration of H+ ions(acidic) and 14 representing lowest concentration (base)

Answer 3

pH Scale

Question 4

movement of water across membranes to balance solute concentrations. water diffuses from a solution that is hypotonic

Answer 4

Osmosis

Question 5

A logical process that argues from a specific instances to a general conclusion

Answer 5

Inductive Reasoning

Question 6

Refers to process that occurs in the presence of oxygen; a form of metabolism that does require oxygen

Answer 6

Aerobic Process

Question 7

Those organisms that do not require oxygen

Answer 7

Anaerobic Organisms

Question 8

Refers to a process that occurs in the absence of oxygen; a form of metabolism that does not require oxygen.

Answer 8

Anaerobic Process

Question 9

Variable that is being manipulated by the researcher in a scientific experiment

Answer 9

Independent variable

Question 10

In biology a proposed explanation for a natural phenomenon based on previous observations or experimental studies

Answer 10

Hypothesis

Question 11

The bio membrane that separated the internal contents of a cell form its external environment

Answer 11

Plasma Membrane

Question 12

A molecule containing significant numbers of polar bonds

Answer 12

Polar molecule

Question 13

Result expected from a particular test of a hypothesis if the hypothesis were true

Answer 13

Prediction

Question 14

series of steps to test the validity of a hypothesis This approach often involves a comparison between control and the experimental groups

Answer 14

Scientific Method

Question 15

A branch of mathematics that estimates the reliability of data

Answer 15

Statistics

Question 16

a substance dissolved in a liquid

Answer 16

Solute

Question 17

A liquid that contains one or more dissolved solutes

Answer 17

Solution

Question 18

Concentration of hydrogen ions in a solution expressed usually in moles per liter or the pH units

Answer 18

Hydrogen Ion Concentration

Question 19

A WEAK chemical attraction between a partially positive hydrogen atom of a polar molecule and a partially negative atom of another polar molecule

Answer 19

Hydrogen Bond

Question 20

Response, any variable that responds or could respond, to changes in an independent variable

Answer 20

Dependent variable

Question 21

In a solution, the process that occurs when a solute moves from a region of high concentration to a region of lower concentration

Answer 21

Diffusion

Question 22

a molecule that when dissolved in water lowers the H+ concentration.

Answer 22

base

Question 23

The sample in an experiment that is treated just like an experimental group

Answer 23

Control Groups

Question 24

Loss of water

Answer 24

Dehydration

Question 25

Facts and statistics collected together for reference or analysis

Answer 25

data

Question 26

Making a prediction about an outcome of a test

Answer 26

Deductive Reasoning

Question 27

The tendency to attract electrons to form a chemical bond

Answer 27

Electronegative