3rd Grade Word List - Science

Words for students of 3rd Grade, the page is for science words (List 1), which are essential vocabulary for 3rd Grade academic classes.
 3rd Grade: 3rd Grade Word List - Science (List 1)
absorb
Speak
assimilate or incorporate; suck or drink up; occupy full attention
adaptations
Speak
change in behavior of a person or group in response to new or modified surroundings
chlorophyll
Speak
any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms
clay
Speak
very fine-grained soil that is plastic when moist but hard when fired
compost
Speak
a mixture of decaying vegetation and manure; used as a fertilizer
decay
Speak
decompose; break sown; disintegration; rottenness; decline; worsen; decadence
germinate
Speak
cause to sprout or grow; come into existence
gravity
Speak
seriousness; solemn and dignified feeling; natural force between two massive bodies
humus
Speak
partially decomposed organic matter; the organic component of soil
inorganic
Speak
lacking the properties characteristic of living organisms; relating or belonging to the class of compounds not having a carbon basis
joints
Speak
junction by which parts or objects are joined together
ligament
Speak
any connection or unifying bond; a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs
locomotion
Speak
self-propelled movement; power or ability to move
moon phases
Speak
Lunar phase or phase of the moon refers to the shape of the illuminated portion of the Moon as seen by an observer, usually on Earth
muscle
Speak
authority or power or force, especially when used in a coercive way; one of the contractile organs of the body
nutrients
Speak
source of nourishment, especially a nourishing ingredient in a food
organic
Speak
simple and healthful and close to nature
planets
Speak
star other than a fixed star; star revolving in an orbit
pollinate
Speak
fertilize by transferring pollen
protection
Speak
the activity of protecting someone or something; a covering that is intend to protect from damage or injury
reflect
Speak
throw or bend back light from a surface; give back or show an image of; mirror
reproduction
Speak
act of making copies
revolution
Speak
act of revolving; motion of body round a fixed point or line; rotation; total or radical change; fundamental change in political organization
rotation
Speak
revolution; act of rotating as if on an axis
sand
Speak
a loose material consisting of grains of rock or coral
shadow
Speak
an unilluminated area
skeleton
Speak
framework; internal supporting structure that gives an artifact its shape
solar system
Speak
the sun with the celestial bodies that revolve around it in its gravitational field
stars
Speak
the topology of a network whose components are connected to a hub
support
Speak
the act of bearing the weight of or strengthening
survival
Speak
existence; remaining alive
variable
Speak
factor; something that is likely to vary; changeable; inconstant