First Grade Science Vocabulary
Word
data
conclusion
predict
describe
observe
record
identify
investigate
evidence
recycle
dispose
reuse
goggles
Unit - Investigation and Safety
Definition
science information
the last part
to say what you think will happen
saying or drawing what you see, hear, touch, taste or smell
to see, hear, touch, taste or smell
to write or draw
to tell what something is
to gather information
information or facts that make you believe something is true
to use again, especially to reprocess
to place or set in a particular order; arrange
to use again, especially after salvaging or special treatment or
processing.
a pair of tight-fitting eyeglasses, often tinted or having side shields,
worn to protect the eyes from hazards such as wind, glare, water,
or flying debris
Unit - Weather
Word
air
cloud
precipitation
temperature
weather
wind
Definition
the part of the atmosphere closest to Earth
a clump of tiny water drops that hangs in the air
water that falls from clouds in the sky; includes rain, snow, and hail
the measure of the amount of heat
a description of the outside air in a certain place at a certain time
moving air
Seasons
Word
characteristic
pattern
precipitation
property
season
temperature
weather
Definition
a quality that describes a living thing or an object
sequence of events
water that falls from clouds in the sky; includes rain, snow, and hail
an attribute that can be observed or measured
a time of year that shows a certain weather pattern; spring,
summer, fall, and winter
the measure of how hot or cold something is
a description of the outside air in a certain pace at a certain time
First Grade Science Vocabulary
Word
appearance
characteristic
cloud
day
moon
night
pattern
position
Sun
Word
hand lenses
mass
matter
notebook
object
pattern
relative
texture
tools
physical property
Unit - Objects in the Sky
Definition
outward view by which an object or thing is assessed
a quality that describes a living thing or an object
a clump of tiny water drops that hangs in the air
time between morning and bedtime
a round body that orbits around a planet
time between bedtime and morning
sequence of events
an object’s location; where it is
the star closest star to Earth and the center of the solar system
Unit - Physical Properties
Definition
a hand held magnifying glass
the amount of matter in an object
anything that takes up space and has mass
a book of blank pages for notes
thing
shapes, colors, or lines put together in a certain way
comparing to
the appearance and feel of a surface
something useful
attributes that can be observed and measured
Unit - Soil
Word
property
soil
texture
component
Definition
characteristic of a material that helps to identify or classify
something
the loose material that covers the Earth’s surface
the appearance and feel of a surface
parts of
Unit - Water
Word
cycle
natural resource
system
water
pattern
stream
lake
ocean
Definition
a series of events that are repeated over and over again
something found in nature that people can use
a group of parts that work together as a unit
a clear liquid without color, taste or odor which all living things
need to survive
a repeated event
a narrow body of flowing water
a large body of water surrounded by land
a large body of salt water
First Grade Science Vocabulary
Word
rock
sand
soil
Unit - Natural Resources
Definition
a hard material found on the Earth
tiny pieces of rock
the loose material that covers Earth’s surface
a clear liquid without color, taste, or odor which all living things
need to survive
a group of parts that work together as a unit
water
system
Unit - Magnets
Word
motion
position
pull
push
magnet
Definition
a change in position
an object’s location; where something is
a force that moves an object closer to another object
a force that moves an object away from another object
an object that pulls on some metal objects
Unit - Motion
Word
energy
motion
position
closer to
nearer to
farther from
straight
zigzag
back and forth
round and round
fast
slow
Definition
ability to cause movement or change
a change in position
an object’s location; where something is
to bring together
to move towards a position
to move away from a position
not bent or curved
moving with sharp turns
moving one way; then returning
moving in a circle
to move quickly
to move at a low speed
Unit - Light
Word
energy
light
Definition
the ability to do work
energy that you can see
Unit - Heat
Word
energy
heat energy
heating
cooling
freezing
melting
Definition
the ability to do work
the energy of moving particles
to make warmer
to make cooler
to change a material by taking heat away
to change a material by adding heat
First Grade Science Vocabulary
Unit - Sound
Word
energy
sound
Definition
the ability to do work or cause change
energy that you can hear
Word
basic need
environment
life cycle
living
nonliving
offspring
organism
Unit - Living and Non-Living
Definition
something all living things must have to live, such as food, water, air,
shelter
all the living and nonliving things in an area
stages of development of a living organism
something that needs food, water, and air to live and grow
not alive, does not need food, water, or air, and does not grow
a new organism produced by one or more parents
a living thing
Unit - Animal
Word
characteristic
environment
life cycle
offspring
organism
resemble
survive
Definition
a physical trait that helps identify an organism or object
all the living and nonliving things in an area
stages of development of a living organism
a new organism produced by one or more parents
a living thing
to look like
to stay alive
Unit - Plant
Word
basic need
environment
life cycle (plant)
living
nonliving
offspring
organism
Definition
something all living things must have to survive such as nutrients,
water, sunlight, space, and air
all the living and nonliving things in an area
stages in the development of a plant
something that has basic needs and produces offspring
not alive, does not have basic needs and or produce offspring
new organisms that come from parent organisms
a living thing
First Grade Science Vocabulary
Word
environment
external characteristic
interdependence
Word
energy transfer
food chain
Unit - Interdependence
Definition
all the living and non-living things in a place
a structure that an animal has on the outside of its body that helps
it survive
the relationship between two or more organisms where each one
benefits from the other
Unit - Food Chain
Definition
flow of useable energy to another object or organism
movement of energy from one organism to another