4th Grade - Core Vocabulary - Full List
Terms in this set (100)
A positive angle measuring less than 90 degrees.
A special characteristic of an organism that helps it survive in its environment
a word that describes, or modifies a noun
a word that describes, or modifies a verb
A nation that has promised to help another nation in wartime
a change or addition to an original document or statement, often a change to a law or bill
an instrument used to measure wind speed
a word that means the opposite of another word
The number of square units that covers a shape or figure. (ex. The space a rug covers)
a kind of adjective; the wordsa,an,andthe
a group of representatives who gather to make laws.
an imaginary straight line that runs through a turning object.
an alphabetical list of sources used to gather information for a report
a formal letter to make a request or complaint, or to react to a situation in the community
the order in which events or the steps in a process occur
Featherlike clouds at 10,000 meters above Earth. Usually bringing fair weather.
the rights of citizens to equal treatment
the type of weather seen in an area over long periods of time
A complete system of electrical parts whose path is unbroken
material that can transfer heat or electricity easily.
an internal or external struggle that a character faces
Angles or figures that have the same size and shape.
a written plan of government
a set of numbers that help identify a specific place on a globe or map.
fluffy clouds that form 6,000 meters above Earth. Usually accompany fair weather.
movement of electrons through a conductor such as a copper wire
a sentence that makes a statement, and ends in a period
a fan-shaped landmass at the mouth of a river made from built up sediment
A form of government where the people rule and are free to make choices about their lives and government
a process in which sediment lands somewhere and settles
the number that is to be divided in a division problem
the number that divides the dividend in a division problem
A way people in a place or region use resources to meet their needs (money or goods spent, traded, earned)
a negatively charged atomic particle that moves on the outside of the atom's nucleus
the height of something; on maps, it is shown as the number of feet above or below sea level.
the process in which small pieces of soil and rock are carried away by ice, wind, and water
a number that is close to an exact amount; commonly used to check a solution
a sentence that expresses strong emotion or surprise, and ends in a exclamation point
a mathematical phrase or a number sentence that combines numbers, operations, signs, and or variables but does not contain an equal sign
a plot of land exchanged for loyalty to a ruler.
Energy formed from once-living organisms (examples: coal, oil, natural gas)
an informal, personal letter to family members or friends
a newly settled area on the edge wilderness or unsettled area
The warming of the Earth as a result of gases in the atmosphere that collect some of the sun's heat reflected back from the Earth.
a word that sounds like another word but is spelled differently and has a different meaning (for example buy and by)
A reasonable guess or explanation that can be tested
a sentence that gives a command, and ends in a period or exclamation point
a sentence that asks a question, and ends in a question mark
straight lines that cross at a point
The operation that reverses the effect of another operation. Example: Addition and subtraction are inverse operations.
an animal that does not have a backbone
lines running east to west (horizontally) that measured distance in degrees north of south of the equator. Often called parallels.
Straight line that extends in both directions with no end.
Lines of Symmetry
is the imaginary line where you could fold the image and have both halves match exactly.
lines running north and south (vertically) that measure distance in degrees east or west of the Prime Meridian. Often called meridians.
A flat topped mountain
a figure of speech in which aword or phrase is used to make a comparison between two things
a body of armed citizens prepared for military service at any time.
A religious settlement
a number represented by a whole number and a fraction (ex. 1 ½)
something found in nature that humans use
particle with a negative charge that is in the nucleus of an atom.
a word that names a person, animal, place, idea, or thing
A positive angle measuring more than 90 degrees
A system of electrical parts I a path that is broken or incomplete
The distance around the outside of a polygon (ex. The length of a fence)
A line is perpendicular to another if they meet at a right angle (90 degrees)
the process by which plants make food from sunlight , water, and carbon dioxide
a journey undertaken for a religious purpose.
the chain of related events in a story
A precise location or place on a plane. Usually represented by a dot.
forms of water that fall from the clouds to earth (ex. Rain, hail, snow, etc.)
a word part that is attached to the beginning of a word and changes the meaning of that word
0 degrees longitude, the line that runs through Greenwich, England.
A number that has exactly 2 factors: 1 and itself (the opposite of a composite number)
a part of speech that stands for, and can be used in place of, a singular or plural noun, such asI,me,you, orthem
someone chosen by God to bring a message to people
particle with a positive charge that is in the nucleus of an atom.
A tool for measuring angles 0-180 degrees
The Spanish word for village
marks such as commas and periods, and the use of those marks
the answer to a division problem, not including a remainder
The limited use of a resource.
part of a line, with one endpoint, and extending to infinity in one direction.
The amount left over when a number cannot be divided evenly
Land set aside by the government for use by Native Americans
A positive angle measuring exactly 90 degrees
the time and place of the action in a story
a figure of speech that directly compares two or more unlike things by using the words like or as
A fraction in which the only number that can go evenly into the numerator and denominator is 1.
a word part that is attached to the end of a word and changes the meaning of that word
a word that means just about the same thing as another word
An area of land that belongs to a nation but is not a state, and not represented in the national government.
an initial sentence that states the main idea of a paragraph
One who rules in a harsh, cruel manner
Animals that have a spinal column
(plural: vertices) is a point where two or more straight lines meet.
the measure of the amount of space inside of a solid figure, like a cube
The state of the atmosphere in terms of temperature, pressure, wind, and moisture
The process in which materials are broken down by things in nature
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