Vocabulary
These are the weak positive and negative charges found on polar molecules
What are delta charges?
This variable is controlled or changed by the researcher
What is the independent (predictor) variable?
These molecules have an uneven distribution of electrons across the molecule
What are polar molecules?
This term refers to the total number of individuals who are part of an experiment
What is sample size?
Science seeks to explain the occurrence of phenomena that are only part of the _______________ world
What is 'natural?'
Briefly explain what it means for a question to be falsifiable
What is 'there must be a way to prove that statement is false if it is actually untrue?'
This term refers to the group that does not receive the 'treatment' (is not exposed to independent variable)
What is the control group?
This term means 'made of water'
What is aqueous?
_______________ are made up of large amounts of one type of atom
What are 'elements'?
How is science different from other areas of study like philosophy, history, or literature
What is 'because it must confined to only what is part of objective reality?'
These bonds form between individual water molecules
What are hydrogen bonds?
In your own words, explain why science is never 100% finished or 100% certain
What is 'because we will never learn it all or know everything there is to know about everything; we always leave open the possibility that new data or evidence could change what we thought we knew?'
Name three examples of the abiotic environment
What is water, sunlight, temperature, dirt, minerals, elements, wind patterns, ocean currents, etc?
These are the three major parts of every atom and what charge they carry
What are 1) protons: positively charged atomic particles, 2) neutrons: atomic particles with no electrical charge, 3) electrons: negatively charged atomic particles?
99.9% of all living organisms are made of these six elements
What are 'carbon, hydrogen, oxygen, nitrogen, phosphorus, and calcium?'
In your own words, explain the difference between cohesion and adhesion
What is 'cohesion refers to the tendency of molecules to stick to other identical molecules; adhesion refers to the tendency of molecules to stick to other, different molecules?'
Name five characteristics of all living things
What is: 1) made of one or more cells, 2) respond to stimuli, 3) grow and develop, 4) reproduce, 5) pass on traits using a nucleic acid, 6) adapt and evolve, 7) metabolize/use energy in some way and 8) have organization of cells/structures?
In your own words, explain the process of peer review AND what type of information we consider it to be
What is 'peer reviewed literature has been reviewed by anonymous, independent reviewers who are experts in their field; it is considered the gold standard of information?'
In your own words, explain why we always want large sample sizes in experiments and scientific studies
What is 'because the higher the sample size, the more confidence we have in our our data, results, and conclusions? (higher sample size = less biased data)'
In your own words, explain why researchers often use control groups in experiments
What is 'so they can compare the control group to the experimental group and know that any differences observed between the two groups is due to the treatment itself and not some other unknown factor?'