Bio Flashcards
What is a variable
something that can change or be changed in an experiment.
What is an independent variable
the thing you can change/ control to see how it affects something else
What is a dependent variable
The thing you measure to see if it affected by the independent variable
What is a control variable
something kept the same in an experiment to make sure the results are fair and reliable.
categoric variable
values that are labled
what are continuous variable
controlled / measured
contains numbers
what is Fair test
only independent variable can be affected by dependent variable
What is ..
Anomalous,
Anomalies,
Anomaly;
unusual/ unexpected
Accuracy
How close
your
measurement
is to the true
value
Precision
How close
your
measurements
are to each
other
Validity
how good an experiment or measurement is—
if it measures what it is supposed to measure.
mean and how it’s worked out
An average-
added result and decide it by the number of results you have obtained
what is discrete variable
data that only takes certain values
Repeatable
The person
doing the
investigation
using the same
method to gets
the same result.
Reproducible
Another person that conducts the test, using the same method to get the same result
Rule for photosynthesis
Carbon D + Water + Light energy → Glucose + Oxygen.
What are arteries
carry blood away from the body, they are thick
what are veins
blood vessels that are thinner
contain valves to stop blood from backflow
what are capillaries
smallest blood vessels, connecting arteries to veins. Allow the exchange of oxygen, nutrients, and waste products
