Test 6 Semester Exam Flashcards
the metal that is the best conductor of electricity
silver
man’s most useful metal
iron
metal that is liquid at room temperature
mercury
metal used as a source for nuclear power
uranium
pumice is what kind of rock
igneous rock
limestone is what kind of rock
sedimentary
mineral used to make pencils
graphite
the rarest gemstone
ruby
rocklike object that looks like a mudball
geode
force that resists motion
friction
attraction that exists between any pair of objects
gravity
force that causes electrically charged objects to either attract or repel each other
electricity
push or pull
force
amount of matter in an object
mass
an animal blending in with its surroundings is an example of
camouflage
an immature insect that looks just like the adult
nymph
an animal moving from place to place with the changing seasons is an example of
migrating
an animal that is active at night
nocturnal
an animal that eats mostly meat
carnivore
the largest group of mammals
rodents
all rodents are plant-eaters, which makes them
herbivores
an object that does not allow light to pass through
opaque
if light can pass straight through an object, that object is
transparent
an object that makes its own light
luminous
the bouncing back of light
reflection
the bending of light
refraction
everything that takes up space and has mass
matter
the state of matter that has a definite shape
solid
the state of matter that has no definite shape and flows from one place to another
liquid
the tendency of gases to float away and spread themselves out thinly in their surroundings
diffusion
the point at which a substance changes from a liquid to a solid state
freezing point
the point at which a solid changes into a liquid is called
melting point
the point at which a substance changes from a liquid to gas is called
boiling point
the boiling point of water
212 degrees F
water as a gas
steam
kinetic or potential energy: a book on a shelf
potential
kinetic or potential energy: a rolling bowling ball
kinetic
kinetic or potential energy: a running stream
kinetic
kinetic or potential energy: a stretched rubber band
potential
kinetic or potential energy: water behind a dam
potential
kinetic or potential energy: a swinging baseball bat
kinetic
the energy of motion
kinetic energy
the result of a force moving an object
work
the energy that is released when atoms are either split apart or joined together
atomic energy
stored energy
potential energy
devices that convert energy from natural sources into useful work
engines
fish that looks like a snake
moray eel
mammal that looks like a fish
whale
largest flying bird
wandering albatross
most poisonous fish
stonefish
mollusk with two shells hinged together
bivalve
“wing-footed”
pinniped
small crustacean; scavenger
shrimp
reefs are made from these
coral polyps
Explain what a transfer of energy is and give an example.
A transfer of energy happens when one object gives some or all of its energy to another obejct.
Label the parts of a steam engine.
wheel connecting rod piston rod piston cylinder
