Vocabulary
Ecosystem
The Nature Of Matter
Theory
Newtons Law
100
what is science?
the study of things which exists around us
100
What is an ecosystem?
the collection of all the organisms that live in a particular place
100
what are the three subatomic particles that make up atoms?
1.Protons 2.Nuetrons 3.Electrons
100
what is a well tested explanation that unifies a broad range of observations
theory
100
What is Newtons First Law Of Motion?
every object in the state of motion tends to remain in that state of motion unless an external force is applied to it
200
What is a hypothesis?
a testable explanation of a question or problem
200
What is a community?
an assemblage of different populations that live together in a defined area
200
what is an atom?
the basic unit of matter
200
True Or False...A Theory enables scientist to make accurate predictions about new situations?
True
200
What is Newtons Second Law Of Motion?
the relationship between an object's mass, its acceleration, and its applied force
300
what is an inference?
the interperetation of an observation based on prior knowledge
300
the ecosystem of a lake pond is the__________
biosphere
300
what is an electron?
a negatively charged particle
300
A Theory may be______or_______by a more useful explanation
revised,replaced
300
What Law Of Motion contains for every action, there is an equal and opposite reaction?
Newtons Third Law Of Motion
400
what is an experimental group?
the group whose conditions are being changed
400
the ecosystem of a river stream or spring is called an________
ecosystem
400
What is a element?
a pure substance that consists entirely of one type of atom
400
Scientist_______,_______,and________the________and the__________of theories
analyze,review,critique,strenghts,weaknesses
400
What is the formula for Newtons Second Law Of Motion?
F=ma
500
what is qualitative data?
a description from observations that do not contain numbers
500
What are the levels of organization?
1.Biosphere 2.Ecosystem 3.Community 4.Population 5.Organism 6.Group Of Cells 7.Cells 8.Molecules
500
Isotopes have the same number of_________
electrons
500
True Or False...A Theory is considered absolute truth?
True
500
True Or False...in Newtons Third Law Of Motion, there are no isolated forces?
True
M
e
n
u