Transcript 4 Grade Science Vocabulary th

th
4
Grade
Science Vocabulary
Tomball ISD
Compiled by: Kim Brown
state of matter

a state of matter is a class of materials,
usually solid, liquid, and gas
matter

everything in the universe that has mass
and takes up space
solid

the state of matter that has a definite
shape and takes up a definite amount of
space
liquid

the state of matter that takes the shape of
its container and takes up a definite
amount of space
gas

the state of matter that has no definite
shape and takes up no definite amount of
space
graduated cylinder

a piece of laboratory glassware or
plasticware used to accurately measure
out volumes of chemicals
volume

the amount of space that matter takes up
buoyancy

the ability of matter to float in a liquid or
gas
density

the property of matter that compares the
amount of matter to the space it takes up
microscope

is an instrument for viewing objects that
are too small to be seen by the naked or
unaided eye
circuit

a path that is made for an electric current
conduction

the direct transfer of heat between objects
that touch
conductor

a material that electric current can pass
through easily
electric cell

a battery that supplies energy to move
charges through a circuit
electric current

a flow of electric charges
parallel circuit

a circuit that has more than one path
along which current can travel
climate

the average temperature and rainfall of an
area over many years
meteorologist

a person who studies or predicts the
weather
tornado

an intense windstorm that often forms
within a severe thunderstorm
hurricane

a large, spiraling storm system that can be
a much as 600 km across
symmetry

the condition in which each feature on one
half of an object has a matching feature
on the other half
reflection

the bouncing of light off an object
metamorphosis

a change in the shape or characteristics of
an organism's body as it grows
photosynthesis

the process by which a plant makes its
own food
transpiration

the process by which plants lose water to
the air
extinct

no longer in existence; the result when
the last individual of a population dies and
that organism is gone forever
endangered

a population of organisms that is likely to
become extinct if steps are not taken to
save it
learned behavior

a behavior an animal learns from its
parents
fossil mold

an imprint made by the outside of a
dead plant or animal
fossil

a preserved clue to life on Earth long ago
weathering

the process by which rocks are broken
down into smaller pieces
sedimentation

the process of building up layers of
sediment over millions of years
sediment

any particulate matter transported by fluid
flow, which eventually is deposited as a
layer of solid particles on the bed or
bottom of a body of water
erosion

the movement or transportation of
sediment to new locations
dissolve

when one material forms a solution with
another material
mineral

a natural, solid material with particles
arranged in a repeating pattern
energy

the ability to cause changes in matter; the
ability to do work
hypothesis


predicts the outcome of an experiment
an educated guess
conclusion

After your experiment, you analyze your data
and draw a conclusion. Was your hypothesis:
-right?
-or was it wrong?
Either way, your need to share what
you have learned next.
theory

taking what you learned from previous
experiments and in the world around you
to explain existing observations and to
predict new ones
inexhaustible resource

a resource, such as air or water, that can
be used over and over and can not be
used up
renewable resources

resources that can be replaced in a
human lifetime
non-renewable resources

a resource that cannot be readily replaced
once it is used
parallel circuit

a circuit that has more than one path
along which current can travel
melting point

the temperature range at which it changes
its state from a solid to a liquid
translation (slide)

a movement of a figure along a straight
line
Credits

Vocabulary definitions

Harcourt Science Glossary
(http://www.harcourtschool.com/glossary/science/index4.html)


Wikipedia
(http//www.wikipedia.org/)
Pictures

Harcourt Science Glossary
(http://www.harcourtschool.com/glossary/science/index4.html)


www.flickr.com
Microsoft Clipart