SCIENCE EXAM Flashcards
applied force is a
push or pull
lift is
going higher
drag is
pushing down
bouancy is going
up
spring balance is used to
measure the magnitude of a force
constant velocity means
staying at the same speed
friction is
the rubbing on a surface, slows it down
normal force is
just an object on another object or thing
KEEP IN MIND
FRICTION ACTS ON OPPOSITE FORCE OF MOVEMENT
mass is
amount of matter in an object, measuered in grams
weight is
force of gravity on a mass, measured in newtons
weight= ….. ( it is an equation )
weight equals mass times grams
the astroid belt seperates
the terrestrial and gas planets
luna eclipse:
when the earth egts in the way of the moon and sun
solar ecpipuse
when the moon is in the way of the earth and sun
north and south poles on a magnet are..
attracted to eachother
magnetic feilds on a magnet run from the
north pole to the south
the same sides of magnets
repel eachother
accurate means
no errors
when an atom has more protons it is..
negativelyt charged
valid means
one independent variable, did you control all of your variable?
reliable means
repeat the experiment ( trials )
the three adaptations
structual, phylogical, behavioral
commensalism is
+ and dont care
parasitism is
+, -
some decompers are
mushrooms, fungi, bacteria
some threats to biodiversity ( different types of species )
kills animals, destroys habitat, deforestsation, hunting
trphic level is
the number where they are on the food chain