38 terms

3rd Trimester Vocabulary - 4th Grade

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adaptation
any structure or behavior of an organism that allows it to survive in its environment
decomposer
an organism that breaks down plant and animal material into simple chemicals
ecologist
a scientist who studies ecosystems
ecosystem
a community of organisms interacting with each other and with the nonliving environment
larva (plural larvae)
the wormlike early stage in the life cycle of an insect
pollination
the moving of pollen to the female part of a flower
terrarium
a container with plants growing inside
population
all organisms of one kind that are living together
senses
information received from the environment using hearing, touch or feel, sight, smell, and taste
species
a group of organisms that are all the same kind
producers
people who supervise a television production
deliberately
on purpose
financiers
people who give inventors money to develop and sell their products, in return for a portion of the profits
patent
get a government license giving an inventor the right to be the only one to manufacture and sell his or her invention for a certain period of time
potential
qualities or abilities that may be developed and lead to future success
vaccines
medicines to make people immune to diseases
cylinder
an object with identical flat ends and a circular or oval section
cultures
growths of microorganisms in a nutrient medium
essential
necessary, very important
tax
money a government charges for services it provides to the people
militia
ordinary people trained to be soldiers but who are not part of the full-time military
liberty
freedom
boycott
to protest something by refusing to buy, use, or participate
musket
a long, heavy gun that is loaded at the muzzle
patriot
a person who supports and defends his or her country
revolutionary
leading to, or relating to, a complete change
surrender
to give up, quit
traitor
someone who betrays his or her country, government, or a group he or she belongs to
squire
an English gentleman who owns a large estate or piece of land
loot
things that have been stolen
buccaneer
a pirate
impending
about to occur
scoundrel
a wicked or disreputable person
nautical
relating to the sea or sailors
league
a unit of length about 3 miles long
shipwreck
to cause a passenger or crew member to experience the destruction of a ship
desolate
lacking people, plants, animals, and other things that make a place feel welcoming
unison
agreement; the same way at the same time