Property
(Physical Property)
how things look and/or feel
K.1, K.4, 1.1, 2.1
Simple experiment
a test used to learn something by
watching what happens carefully
1.1, 2.1
Effect
the result in an experiment
2.1
Observation
learning by using the five senses
K.1, 1.1, 2.1
Predict
to guess what might happen; a
prediction is based on observation and
research
K.1, 1.1, 2.1
Investigate
K.1, 1.1, 2.1
© Henrico County Public Schools Grade 2r
to look carefully at something to find
facts and get information
Hypothesis
an idea that can be tested by
experiment or observation
2.1
Data
collected facts or information
about an object
1.1, 2.1
Collect data
to gather information about an object
1.1, 2.1
Communicate
to give or exchange information by
talking or writing
1.1, 2.1
Classify
K.1, 1.1, 2.1
© Henrico County Public Schools Grade 2r
to put things into groups based on
how they are alike
Inference
a guess based on clues,
reasoning, and observation
2.1
Sequence
a group of items listed in order by
number or size
K.1, 1.1, 2.1
Length
the distance of an object from one end
to the other end
K.1, 1.1, 2.1
Mass
1.1, 2.1
© Henrico County Public Schools Grade 2r
the amount of matter in something
Volume
the amount of space something takes up
1.1, 2.1
Temperature
how hot or cold something is
2.1
Thermometer
2.1
Measure
a tool used to measure temperature;
temperature is measured in degrees
Celsius or degrees Fahrenheit
to collect exact information about the
size, weight, or volume of an object
K.1, 1.1, 2.1
Standard unit
K.1, 1.1, 2.1
© Henrico County Public Schools Grade 2r
a measurement such as inches,
centimeters, meters, yards, etc.
Nonstandard unit
K.1, 1.1, 2.1
Metric system
a measurement such as paperclips,
hands, unifix cubes, pennies, etc.
way of measurement used worldwide
which includes meters, grams, liters, and
degrees Celsius
2.1
Standard English system
way of measurement commonly used in the
United States which includes inches, ounces,
cups, and degrees Fahrenheit
2.1
Five Senses
sight, hearing, taste, smell, and touch
K.2, 1.1, 2.1
Sight
the sense of seeing
K.2, 1.1, 2.1
Hearing
K.2, 1.1, 2.1
© Henrico County Public Schools Grade 2r
the sense of hearing
Smell
the sense that uses the nose
K.2, 1.1, 2.1
Taste
the sense that uses the tongue
K.2, 1.1, 2.1
Touch
the sense of feeling, using the skin
K.2, 1.1,, 2.1
Motion
movement; the motion of objects
can be straight, in a circle, curved,
or back and forth
2.2
Vibrate
to move quickly back and forth
2.2
Force
K.3, 1.2, 2.2
© Henrico County Public Schools Grade 2r
a push or a pull on an object
Attract
to pull objects together
K.3, 1.2, 2.2
Attraction
the force of pulling objects together
2.2
Non-attraction
the lack of any pulling force between
two objects
K.3, 1.2, 2.2
Repel
to force away, to resist
K.3, 1.2, 2.2
Push
to force away (repel)
K.3, 1.2, 2.2
Pull
K.3, 1.2, 2.2
© Henrico County Public Schools Grade 2r
to force towards (attract)
Pole
K.3, 1.2, 2.2
Compass
the ends of a battery or magnet where
the force is the strongest;
region around the North Pole or South
Pole
an instrument used for locating
direction; the needle on a compass
points north
2.2
Flexible
able be bent easily
K.4, 1.3, 2.3
Stiff
not able to be bent easily
K.4, 1.3, 2.3
Matter
anything that has mass and takes up
space
1.3, 2.3
State of Matter
K.5, 1.3, 2.3
© Henrico County Public Schools Grade 2r
the form that matter can take; solid,
liquid, and gas
Solid
K.5, 1.3, 2.3
Liquid
K.5, 1.3, 2.3
Gas
matter that has a certain shape and
volume
matter that has a definite volume but
no certain shape; liquid takes
the shape of its container
matter that has no certain space and
no definite shape (can move about
freely)
K.5, 1.3, 2.3
Dissolve
to mix into a liquid(Kool-aid and water)
1.3, 2.3
Melt
to change from a solid state to a liquid
state, due to heat (such as the change
of ice to water)
1.3, 2.3
Freeze
1.3, 2.3
© Henrico County Public Schools Grade 2r
to change from a liquid state to a solid
state, due to cooling (such as the
change of water to ice)
Condensation
change of a substance from a gas to a
liquid due to cooling
2.3
Evaporation
change of a substance from a liquid to
a gas due to heating
2.3
Root
the part of a plant that holds it in
place and soaks up water and nutrients
from the soil
K.6, 1.4, 2.4
Leaf
the part of the plant that makes food
for the plant
K.6, 1.4, 2.4
Stem
the part of a plant that holds the plant
up and carries food and water up and
down the plant
K.6, 1.4, 2.4
Seed
K.6, 1.4, 2.4
© Henrico County Public Schools Grade 2r
a part of a flowering plant from which
a new plant will grow
Blossom
the flower of a plant
K.6, 1.4, 2.4
Survive
to live through; to continue to exist
K.6, 1.4, 2.4
Basic needs of living things
air, water, food, and shelter (home)
K.6, 1.4, 2.4
Growth
the time when a living thing gets larger
in size and/or development
K.6, 1.4, 2.4, 2.7
Life cycle
the series of changes in which a plant
or animal grows, lives, reproduces, and
dies
K.6, 1.4, 2.4
Egg
2.4
© Henrico County Public Schools Grade 2r
a round or oval body with a shell or
other covering produced by the female
Larva
an early stage in the life cycle of an
insect that changes as it grows
2.4
Pupa
the stage of an insect after it is a
larva and before it becomes an adult
2.4
Adult
the final stage in the life cycle of
an animal
2.4
Tadpole
the second stage in a frog’s or toad’s
life cycle; tadpoles live in the water,
breathe through gills, and have no legs
2.4
Froglet
the third stage in a frog’s life cycle;
development of lungs, back and front
legs, and loss of tail
2.4
Edible
1.4, 2.4
© Henrico County Public Schools Grade 2r
able to be eaten safely
Non-edible
not able to be eaten safely
1.4, 2.4
Evergreen
plants whose leaves or needles stay
green all year
1.4, 2.4
Wild
being free, or not controlled by people
1.5, 2.4
Tame
being taken from the wild or from
nature by people and made gentle, such
as pets
1.5, 2.4
Movement
the action of going from one place to
another (such as walking, crawling,
flying, and swimming)
1.5, 2.4
Living
2.5
© Henrico County Public Schools Grade 2r
people, plants, and animals that grow,
eat, and change
Nonliving
something that was never alive
2.5
System
all living and nonliving things existing
together (also called ecosystem)
2.5
Organism
a living thing
2.5
Habitat
the place where an animal or plant
lives and grows
2.5
Weather
K.8, 1.7, 2.6
Weather conditions
K.8, 1.7, 2.6
© Henrico County Public Schools Grade 2r
condition of the air including
temperature, humidity (wetness or
dryness), wind, clouds, and
precipitation
how we describe weather, including
temperature, humidity, wind direction and
speed, clouds, and type and amount of
precipitation
Weather instrument
a tool used to collect, record, and/or
measure weather
2.6
Rain gauge
a tool used to measure the
amount of precipitation
2.6
Wind vane
an instrument used to determine the
direction of the wind; also called a
weathervane
2.6
Wind
moving air
K.8, 1.7, 2.6
Cloud
a group of tiny water droplets
hanging in the air
K.8, 1.7, 2.6
Precipitation
K.8, 1.7, 2.6
© Henrico County Public Schools Grade 2r
any form of water falling from clouds;
such as snow, ice, sleet, hail or rain
Condensation
the changing of a substance from a gas
to a liquid by cooling
2.6
Evaporation
the changing of a substance from a
liquid to a gas
2.6
Water cycle
2.6
Hurricane
the cycle in which water moves
through evaporation, condensation,
and precipitation
a storm with strong winds and heavy
rain which forms over water
2.6
Tornado
2.6
Blizzard
2.6
© Henrico County Public Schools Grade 2r
a storm with very strong winds and a
funnel–shaped cloud which forms over
land
a heavy snowstorm with strong winds;
it is difficult to see in a blizzard
Storm
2.6
weather that has powerful winds and
might be accompanied by rain, snow, or
hail
2.6
weather usually having strong gusts of
wind and heavy rain; lightning, hail,
strong winds, heavy rains, and even
tornadoes can accompany
thunderstorms
Drought
a long period of time when there is
little or no rain
Thunderstorm
2.6
Flood
an overflowing of water on an area that
is normally dry
2.6
Weather data
2.6
Pattern
K.8, 1.7, 2.7
© Henrico County Public Schools Grade 2r
the information collected about the
weather by using instruments
of measurement
the normal cycle of weather
Season
one of four time periods during the
year (summer, fall/autumn, winter, and
spring)
K.9, 1.7, 2.7
Summer
the warmest season coming between
spring and fall
K.9, 1.7, 2.7
Fall/Autumn
the season coming between summer
and winter when days become cooler
K.9, 1.7, 2.7
Winter
the coldest season coming between fall
and spring
K.9, 1.7, 2.7
Spring
the season coming between winter and
summer when days become warmer
K.9, 1.7, 2.7
Bud
1.7, 2.7
© Henrico County Public Schools Grade 2r
small swelling on the stem or branch of
a plant; a bud will later grow into a
flower, leaf, or branch
Wilt
to become limp and droop, as a plant
might do without enough water
1.7, 2.7
Adaptation
the action of a plant or an animal which
allows it to live in its
environment
1.7, 2.7
Behavioral adaptation
2.7
Physical adaptation
2.7
Environment
the action (or behavior) of a plant or
an animal which helps it to survive in
its environment (such as migration and
hibernation in animals)
the physical things that help a plant or an
animal survive in its environment; also called
structural adaptation; examples include the
webbed feet of ducks and the thorns on a
rosebush
the air, the water, the soil, and all the
other things that are around living
things
1.7, 2.7
Habitat
1.7, 2.7
© Henrico County Public Schools Grade 2r
the place in which a living thing lives,
including all the other kinds of living
and nonliving things sharing its
environment
Migration
1.7, 2.7
Hibernation
the seasonal movement of animals from
one place to another for feeding or
breeding (such as
many birds and whales)
to spend the winter in a deep sleep; examples
of animals that hibernate include bears,
groundhogs, woodchucks, snakes, and frogs
1.7, 2.7
Camouflage
a disguise or false appearance that helps an
animal blend in with its surroundings (such as
a pattern on frogs)
1.7, 2.7
Dormancy
2.7
Weathering
a time of little activity; examples
include the following: the hibernation
of an animal, seeds of many plants
during the winter
the breaking and wearing away of rocks
2.7
Erosion
2.7
© Henrico County Public Schools Grade 2r
the moving of weathered rocks and soil
by wind, water, and ice
Natural Resource
K.10, 1.8, 2.8
Recycle
something that comes from the Earth
(nature) that people use (such as
minerals, water, fossil fuels, and food
sources)
to change something so that it can be
used again in the same or different
way
K.10, 1.8, 2.8
Reuse
to use something again
K.10, 1.8, 2.8
Reduce
to use less of something
K.10, 1.8, 2.8
Pollution
a change in the environment (such as in
the air, water, or soil) that is harmful
to living things
1.8, 2.8
Producer
2.8
© Henrico County Public Schools Grade 2r
a living thing that makes its own food,
such as a plant
Conservation
K.10, 1.8
© Henrico County Public Schools Grade 2r
saving and/or protecting natural
resources