What is Science Flashcards
What is the goal of science?
to provide natural and testable explanations for events in the natural world
What is gathering info by using the five senses?
observation
observing using description is
qualitative
observing using quantities is
quantatative
interpreting evidence based on observations you have made
inference
what is a testable possible explanation of an observation?
hypothesis
ask a question/identify a ________
problem
________-see whats already known
research
form a ________ (if then statement)
hypothesis
test it with an __________
experiment
make ________ with 5 senses (data)
observation
form a _________
conclusion
_________ your results
analyze
__________ with other scientists
communicate
factors in an experiment that can change
variable
factor that is changed in an experiment
independent variable
factor that is measured; changes based on independent variable
dependent or responding variable
parts of the experiment that remain unchanged in all trials
constants
when only one variable is changed at a time in an experiment
controlled experiment :)
receives no experimental treatment;standard for comparison
control group
controlled experiments; large sample size; many trials
ways to maximize validity of experiments
attempt to explain how something may work
hypothesis
explanation of related observations based upon proven hypothesis which have been tested and verified many times
theory
True or False: all organisms (living things) must be made up of organelles
false; cells
True or False: all organisms (living things) must reproduce
true
True or False: all organisms (living things) must be based on a universal RNA code
False;genetic code
True or False: all organisms (living things) must breath and digest
false; grow and develop
True or False: all organisms (living things) must obtain and use materials for energy
true
True or False: all organisms (living things) must interact with their environment
true
True or False: all organisms (living things) must maintain homeostasis
true
True or False: all organisms (living things) must evolve as an individual over time
false; as a population
what is the basic unit of life
cell
what are organisms with only one cell called ex. bacteria, protozoa
unicellular
what are organisms made of many specialized cells called
multicellular
what type of reproduction requires two cells from different parents uniting to produce the first cell of the new organism
sexual reproduction
type of reproduction where the new organism has a single parent
asexual reproduction
