Nature of Science
Description of something you can see, smell, touch, taste, hear
Observation
Define cell
most basic unit of life
small, basic sub-units
Monomer
how close your measurements are to each other
Precise
the aspects of an experiment that are held constant/consistent
Constants
Hypothesis Format
If __IV___, then ___DV____
Define polar vs non polar
polar (unequal charges) vs non polar (no separation)
Triglycerides
Polymer of Lipids
how close your measurement is to the correct/accepted value
Accurate
Define independent variable
what the experimenter will deliberately change or manipulate in the investigation
When coming to class, a student notices that the sidewalk is now wet. If the person assumes it rained during the movie, the person is making
An inference
Hydrophilic vs Hydrophobic
Hydrophilic - water loving
Hydrophobic - water fearing
Which of the four macromolecules is never broken down
larger more complex structures made of monomers
Polymer
Define dependent variable
what changes in response to the independent variable
What must be considered when designing a solution for a problem with technology
Cost, Time, Materials
uniform mixture of two or more substances (Lemonade)
2 layers make up the plasma membrane of our cells
Phospholipid bilayer
Qualitative observation is based on what you can see, touch, hear, taste, smell.
Quantitative observation is based on numbers.
I am testing a group who drinks Red Bull before their mile and a group that drinks water before their mile. Which group is the experimental group?
When designing an experiment, scientists will test a relationship between a “cause” and an “effect.” The “effect,” also represented by what the scientist measures and records, is known as the
Dependent Variable
What are the 5 properties of water
Cohesion, Adhesion, High Specific Heat, Less dense as a solid, water is a terrific solvent
Sugars and Starches are found where?
Carbohydrates
Define cohesion vs adhesion
Cohesion is the attraction between molecules of the same substance
Adhesion is the type of attraction that happens between two different molecules
I am testing a group who drinks Red Bull before their mile and a group that drinks water before their mile. Which group is the control group?
The group that drinks water