113 terms

STAAR 5th grade science vocab

Ms. Love's science vocabulary list for the STAAR test.
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Adaptation
a trait that helps an organism survive and reproduce
Air mass
a huge body of air that has similar temperature, humidity, and air pressure at any given height
Altitude
Height above sea level or the earth's surface
Analyze
to look at something carefully by attention to its parts
Assumption
a belief that is based on fact but has not been proven
Atmosphere
the thin layer of air between Earth's surface and outer space
behavior
an organism's response to its environment
Camouflage
a pattern or coloring that helps a living thing blend in with its surroundings
carnivore
an animal that eats only other animals
characteristic
a body feature that helps an organism survive in
circuit
a closed path through which electricity travels
climate
the average weather of an area over a long period of time
community
all of the living things in an ecosystem
competition
the struggle between two organisms to obtain the same resource in an ecosystem
Complete metamorphosis
the total change of form that some insects go through as they become adults
compression
a region in which particles in the air are bunched together
conclusion
a judgement supported by facts
condensation
the change in a substance from a gas to a liquid
conductor
material that allows energy to travel through it easily or quickly
conservation
the careful use and protection of natural resources
consumer
an organism that feeds on other organisms, or a person who buys merchandise
control
a feature that does not change in an experiment
continent
an enormous slowly moving landmass that floats on Earth's surface
current
the flow of charges through a circuit
data
information collected during an experiment
decomposer
a consumer that breaks down the remains of dead organisms
disperse
to scatter
dissolve
to mix very evenly and separate into particles too small to be seen
drought
a period of dryness that may occur when percipitation is less than normal
Ecosystem
an area where living organisms interact with each other and with the nonliving things in the environment
electrical energy
the movement of charges
electromagnet
a magnet made by sending current through a wire wrapped around a metal object such as a nail
energy
the ability to cause change or to make things happen
environment
an organism's surroundings
erosion
the wearing away of rock or soil by wind, water, or ice
evaporation
the process by which a liquid becomes a gas
evolution
the series of gradual changes in a species over time
extinct
no longer living on Earth
fertilization
the joining of male and female sex cells
food chain
a path of matter and energy in a community
food web
a series of overlapping food chains
force
a push or pull on an object
fossil fuel
a substance, such as coal, oil, or natural gas, formed over millions of years from the remains of organisims and used today as an energy source
friction
a force that occurs between objects in direct contact and that opposes motion
germination
the growth or sproating of a new plant from a seed
gravity
the force that causes attraction between objects that have mass
habitat
the place where an animal or plant lives
hazard
anything that can be dangerous
heat
a form of energy related to temperature and the random motion of particles
herbivore
an animal that eats only plants
humus
decaying plant and animal material in the ground
hypothesis
a predicted answer to a scientificquestion
Incomplete metamorphosis
the partial change of form that some insects go through as they become adults
inertia
the tendency of a moving object to keep moving or of a still object to stay still
inexhaustible resource
a resource that cannot be used up
inference
a conclusion based on observations and reasoning
inherited trait
a characteristic that is passed from parent to offspring
interpret
to explain what you think certain information means
landform
one of many different shaped features found on the continents, such as a mountain, valley, or plateau
larva
the early, immature stage in the life cycle of some animals
learned behavior
the changed behavior of an organism because of practice or experience it has gained
lens
an object used to refract light
life cycle
the stages of development an organism goes through as it grows and develops
light energy
energy that travels as a wave and moves through air, empty space, and certain materials
matter
anything that has mass and takes up space
mature
the term for the final stage of an organism's development when it is able to produce offspring
metamorphosis
the changes in shape and form some organisms go through during their life cycle
microscope
a tool used to observe very small objects
Migrate
to move from one place to another in a pattern
mineral
nonliving natural materials with a regular structure, including metals, metal ores, and some kinds of rocks
mixture
a collection of materials in which the materials do not join together
moon
a natural satellite that orbits a planet
niche
the role an organism has in its ecosystem
nonrenewable source
a resource that can be used up
Nymph
The immature form of those insects that do not pass through a pupal stage.
observation
gathering information using our senses
omnivore
an animal that eats both plants and animals
orbit
a curved path around an object such as the path a planet follows around a sun
organism
a complete, individual living thing
phases
different shapes of the moon during the lunar cycle
photosynthesis
the process by which plants change carbon dioxide and water into sugar and oxygen
physical properties
characteristics of matter that can be observed using your senses
Plato
a Greek philospher who believed that everything was made of four elements: earth, water, air, and fire
pollution
occurs when harmful substances are released into the environment
Population
A group of organisms of the same kind that live in an ecosystem.
precipitation
any form of water that falls from the clouds to Earth
predator
an animal that hunts down other animals
prey
an animal that is hunted down by other animals
producer
an organism, such as a plant, that can make its own food by photosynthesis
recycle
to reuse materials
refraction
the bending of light that occurs when light moves from one material to another
renewable resource
a resource that can be replaced in a short time
scavenger
an animal that feeds on the dead bodies of other animals
scientific method
a collection of steps used to explore questions and investigate the natural world
solar energy
energy that comes from the Sun
solar system
the Sun, the nine planets, and the many other objects that orbit the Sun
solution
a type of mixture in which the ingredients are thoroughly mixed together
sound
the vibrations that can be heard
species
a group of one type of organism that can mate and produce fertile offspring
static electricity
a buildup of charge within an object
Structural adaptation
A physical feature that helps an organism survive in it's environment
succession
the changes that take place in an ecosystem over time
Sun
the ultimate source of energy for all living things
testable
able to be observed and measured
trait
a characteristic or feature of an organism
trial
a single completed investigation
deposition
process in which sediment is laid down in new locations
variable
the characteristic that is tested during an experiment
variation
differences in members of a species due to inherited traits
vibration
the back-and-forth movement of an object
wave
a disturbance that transmits energy but not matter
weather
the condition of the atmosphere at a certain place and time
weathering
a process that breaks down rocks