57 terms

Investigating God's World Midterm Exam chapters (1-6)

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Migrate
means to move from one place to another with the changing seasons
smallest rodents
are the mice (2½ to 3½ inches long)
largest rodents
are capybaras of South America
herbivores
plant eaters
nocturnal
active only at night
carnivores
flesh eaters
opaque
does not let light pass through it
transparent
allows light to pass straight through it
luminous
object that produces its own light
reflection
the bouncing back of light
shrimp
small crustacean with a thin shell
coral polyps
miniature invertebrates whose hard, outer coverings form coral reefs
moray eel
fish that looks like a snake
pinnipeds
"wing-footed" animals
wandering albatross
largest of all flying birds
matter
anything that takes up space and has mass
contact force
a force that occurs when one object pushes against another object
Kinetic energy
energy of motion
potential energy
stored energy
engines
devices that can convert energy from natural sources into useful work
32°F
water melts and freezes
212°F
water boils and condenses
melting point
the temperature at which a substance changes from a solid into a liquid
ice
solid water
study the parts of steam engine page 167
study the parts of steam engine page 167
atomic energy
energy that is released when atoms split apart or are joined together.
bivalve
mollusk with two shells hinged together
boiling point
the point at which a substance changes from liquid to a gas. For water, this is 212 degrees.
camouflage
when an animal blends in with its surroundings
diffusion
the tendency of gases to float away and spread themselves out thinly in their surroundings
electricity
force that causes electrically charged objects to attract or repel each other.
force
push or pull
freezing point
the point at which a liquid changes to a solid state
friction
a force that resists motion
geode
a rocklike object that looks like a mudball
graphite
used to make pencils
gravity
attraction that exists between two objects
iron
the most useful metal
limestone
a type of sedimentary rock
liquid
matter that has no definite shape and flows from place to place
mass
the amount of matter in an object
mercury
metal that is liquid at room temperature
migrating
when an animal moves from place to place with the changing seasons
nymph
an immature insect that looks just like the adult
pumice
a type of igneous rock
refraction
the bending of light
rodents
the largest group of mammals
ruby
the rarest gemstone
silver
the best conductor of electricity
solid
matter that has definite shape
steam
water as a gas
steam engine
know the parts
stonefish
most poisonous fish
uranium
metal that is the source for nuclear power
transfer of energy
when one object gives some or all of its energy to another object.
whale
mammal that looks like a fish
work
the result of force moving an object