Unit 1.1 Flashcards
Scientific Method, Microscopes, Graphs, Diagrams (17 cards)
What is an observation?
What we can actually see, touch, hear, smell or taste. Something that appears to the 5 senses
What is an inference?
How we try to make sense of our observation. Analyzing and coming up with a reason why or how something might be happening
What does TATER stand for?
Title
Axis
Trend
Explain
Relationship
Where do you find the title of a graph most of the time?
At the top
What are your axis on a graph?
X (horizontal line)
Y (vertical lline)
What are common trends we see in graphs?
Positive
Negative
Constant
No Trend
What is the dependent variable?
What we are measuring
What is the independent variable?
What we change or manipulate in an experiment
Time is always ____________________.
Independent
What is a dissecting microscope used for?
To view the basic surface of objects or live/dead specimen
What would be an example of what we might want to observe under a dissecting microscope?
Full bodies of ants or flower petals
What is a compound microscope used for?
To view objects or live/dead specimen that you cannot see with your naked eye
What can we see with a compound microscope?
Plant cells, animal cells, bacteria
What is the use of a scanning electron microscope?
To view the details of the outside surface of dead specimens
What could we see with a scanning electron microscope?
Outside surface of a virus, details of an insect, pollen grain, blood cells
What is a transmission electron microscope used for?
To view the details of the inside of dead specimens
What can we see with a transmission electron microscope?
Detailed structure inside of cells