step 1: form a question, step 2:find information on your topic, step 3: form hypothesis, step 4: perform experiment, step 5: record your data, step 6: analyze data, step 7: state conclusion
factor that is being tested in an experiment
a prediction that can be tested
the standard used to compare the outcome of a test
an explanation of things or events based on many observations
a rule that tells how nature works
organized problem solving steps in science
scientist perform to test a hypothesis under controlled conditions
process than an organism uses to make more of itself
how living things keep the proper conditions inside theselves
characteristics of living things
1:all living, 2:organized, 3:all respond, 4:use energy, 5: grow and develop, 6:reproduce, 7: life span
smallest unit of organism that carries on the function of life
the length of time an organism is expected to live
example of homeostasis
your body maintaining a temperature of 37*C
living things need to survive
fats, water, sugars and the sun
example of living thing "grow and develop"
baby laughing at 4 months
example of living thing "respond"
when you touch a hot pan on the stove with your hand, you quickly move your hand away
a many-celled organism grows by increasing
the number of cells
a one-celled organism grows by increasing
the size of the cell
the reaction of an organism to a stimulus
raw materials all living things need
habitat, water, air, sun(energy)
example of stimulus
when a bright light shines in your eyes, you close your eyelids quickly
what any living thing is called
living thing are composed of one or more
main source of energyused by most organisms
anything an organism reacts to
the first word of a two word naming system identifies
the secong word of the two word naming system
The person who developed the classification system( binomial nomenclature) over 2000 years ago.
allow information to be organized and helps avoid mistakes
characteristic of species(smallest category of classification)
organisms of the same species can mate and reproduce
the two word naming system developed by Linnaeus
classification system has how many kingdoms
the evolutionary history of an organism
the first and largest category in the classification system
an organisms name includes____ and ______
Linnaeus system is based on _______ of organisms
four reasons scientific names are important
1.To avoid mistakes, 2. To show that organisms in the same genus are classified together , 3. To give descriptive information, 4. To allow information to be organized easily
example:picture growing healty plant
example:picture growing healty plant leaning toward sun
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