Vocabulary A-Z - Vocabulary Lists, Vocabulary Lesson Plans, Vocabulary Worksheets

Current Word Count: 11,449

Function

Content

CURRENT EVENTS
- Archives
  - Influenza
  - Winter Olympics
- Earthquakes
- Money Matters
- Oil Spills
Arts
Computer Technology
Health
Language Arts
Mathematics
Miscellaneous
Music
Physical Education and Sports
- Exercise and Fitness
- Sports and Equipment
Science
- Earth and Space Science
- Environmental Science
- General Terms
- Life Science
  - Animals
  - Birds
  - Dinosaurs and Prehistoric Animals
  - Fish
  - General Terms
  - Habitats
    - Arctic Tundra
    - Desert
    - Forest
    - Freshwater
    - Grassland
    - Ocean
    - Rainforest
    - Urban
  - Insects and Spiders
  - Life Cycles and Systems
  - Mammals
  - Marine Animals
  - Pets (Domesticated Animals)
  - Plants
  - Reptiles and Amphibians
- Physical Science
  - Chemistry
  - Sound, Energy, and Motion
- Tools and Machines
Social Studies
- Careers
- Character Traits
- Communication
- Culture and Religion
- Days and Months
- Economics
- Geography
  - Countries and Provinces
  - Map Skills
  - My State
  - Physical Geography
    - Bodies of Water
    - Landforms
  - Position Words
  - Regions
  - U.S. States
- Government
- Home and Family
- Population Growth
- Interpersonal Communication
- People and Places
- School
- Transportation
  - Air
  - Land
  - Water
- Travel
- U.S. History
- World History
  - Ancient Civilizations
  - Conflict and Cooperation
  - Exploration and Discovery
  - General Terms

Learning A-Z Connections

- Earth Science
  - K–2
    - Earth, Moon, and Sun
    - Weather
  - 3–4
    - Clouds, Wind, and Storms
    - The Solar System
  - 5–6
- Life Science
  - K–2
  - 3–4
  - 5–6
- Physical Science
  - K–2
  - 3–4
  - 5–6
    - Light
    - Mixing Matter

My Words

Word List

This is where the
words you choose
will appear.

Select the red button to delete .	(Tier ):
Select the red button to delete .	(Tier ):
Select the red button to delete .	(Tier ):
Select the red button to delete .	(Tier ):

Select the red button to delete .	(Tier ):
Select the red button to delete .	(Tier ):
Select the red button to delete .	(Tier ):
Select the red button to delete .	(Tier ):

Select the red button to delete .	(Tier ):
Select the red button to delete .	(Tier ):
Select the red button to delete .	(Tier ):
Select the red button to delete .	(Tier ):

Instructions:

Select 1 to 12 words from the list of Tier One

Tier One:
Vocabulary words commonly used in speech, reading, and writing; usually appropriate for early emergent readers (grades K-1).

, Tier Two

Tier Two:
Vocabulary words generally encountered in elementary school curriculum (grades 2-5).

, and Tier Three

Tier Three:
Vocabulary words generally encountered in middle and/or senior high school curriculum (grades 6+).

words. To add words from other categories, go back to Step 1 and select a different category and add additional words. Once you have created your word list, you can generate a customized vocabulary lesson, vocabulary word work activities, and/or a vocabulary assessment by proceeding to Step 3.

Mouse over the camera icon to view an image associated with the vocabulary word. To download the images, select the associated words in Step 2 and check the "Photo Cards" option in Step 3.

Pop-ups: On/Off

Tier One Tier One: Vocabulary words commonly used in speech, reading, and writing; usually appropriate for early emergent readers (grades K-1).		Tier Two Tier Two: Vocabulary words generally encountered in elementary school curriculum (grades 2-5).		Tier Three Tier Three: Vocabulary words generally encountered in middle and/or senior high school curriculum (grades 6+).
Earth noun : the third planet from the Sun; the planet we live on moon noun : a huge ball of rock that travels around a planet pull verb : to use force to move something closer shine verb : to give off bright light sky noun : the area high above the trees where birds and airplanes fly star noun : a body in outer space, made of hot gases, that shines in the night sky Sun noun : the closest star to Earth and the center of our solar system		aerospace adjective : having to do with the branch of science that studies Earth's atmosphere and outer space asteroid noun : an irregularly shaped rock that orbits the Sun astronaut noun : a person trained to travel and work in space astronomer noun : a scientist who studies planets, stars, galaxies, and other objects in space astronomy noun : a field of science involving the study of the stars, planets, comets, and other things found in space atmosphere noun : a layer of gases surrounding a planet, star, or moon aurora borealis noun : the northern lights, caused by charged particles being pulled into Earth's atmosphere by Earth's magnetic field axes noun : the imaginary lines around which objects, such as planets, might rotate axis noun : an imaginary line around which an object, such as Earth, rotates binoculars noun : a hand-held device used to see objects that are far away black hole noun : a region of space with a gravitational field so intense that nothing can escape capsule noun : the compartment on a rocket that holds people and their instruments celestial adjective : of or relating to the sky cluster noun : a close group of similar objects comet noun : a space object made of ice and dust that develops a long, bright tail as it nears the Sun constellation noun : a group of stars that form a shape and are named for that shape corona noun : a ring of light visible around a luminous body, such as the Sun and Moon cosmologist noun : a scientist who studies the origin and structure of the universe cosmos noun : the whole universe crater noun : a bowl-shaped hollow area in a volcano where lava, ash, and gases come out; a hole in the ground caused by the impact of an object from space crescent moon noun : the phase of the Moon when only a thin curved slice is lit up by the Sun deep space noun : the open areas between solid bodies in the universe beyond our solar system dwarf planet noun : a nearly round object that orbits a star, is smaller than a planet, and is not a satellite of another object eclipse noun : the partial or complete hiding or darkening of one celestial body, such as the Sun or Moon, by another exploration noun : a journey through unfamiliar territory to learn more about it explorer noun : a person who visits and learns about new places extraterrestrial noun : a being from outside Earth or its atmosphere fireball noun : a ball of fire full moon noun : the phase of the Moon when its surface is fully lit up by the Sun galaxy noun : a large collection of stars, planets, gas, and dust bound together by gravitational forces gas giant noun : a large planet that is mainly made up of gases gravitational pull noun : the force of attraction that tends to draw objects together gravity noun : the force that pulls things toward the center of Earth or any other large object that has mass half moon noun : the phase of the Moon halfway between a full moon and a new moon impact noun : the action of one object hitting another Jupiter noun : the largest planet in our solar system and the fifth from the Sun; a gas giant light-year noun : a unit of distance in astronomy equal to the distance that light travels in one year lunar adjective : having to do with the Moon lunar eclipse noun : an eclipse during which Earth blocks the Sun's light from shining on the Moon Mars noun : a small reddish planet that is fourth from the Sun; a terrestrial planet Mercury noun : the smallest planet in our solar system and the closest one to the Sun; a terrestrial planet meteor noun : a piece of rock from space meteorite noun : a metallic or stony body that has fallen on Earth from outer space meteoroid noun : a particle of metallic or stony matter that orbits the Sun methane noun : a colorless, odorless, flammable gas commonly called "natural gas" Milky Way noun : the galaxy that includes the Sun and our solar system module noun : a self-contained part of a spacecraft Moon noun : Earth's only natural satellite moon phase noun : any of the eight possible ways that the Moon appears as viewed from Earth Neptune noun : a large blue planet that is eighth from the Sun; a gas giant new moon noun : the first phase of the Moon, when it appears as a narrow crescent at sunset nucleus noun : the center of a comet, made of small particles of ice and frozen gas that can turn to vapor and form a tail as the comet nears a star observatory noun : a place used for scientific observation of things in nature, such as astronomical objects, weather, or earthquakes orbit noun : the path taken by one object in space circling around another larger object orbit verb : to revolve around another object ozone layer noun : a layer of the atmosphere that protects life on Earth by filtering out ultraviolet radiation from the Sun phase noun : state of matter, which can change depending on temperature and pressure pilot verb : to drive a ship or an aircraft pilot noun : a person who is qualified and licensed to fly an aircraft or spacecraft planet noun : a very large object that travels around a star planetarium noun : a building in which the image of the night sky is projected onto a curved ceiling Pluto noun : a dwarf planet discovered in 1930 that was once considered a planet plutoid noun : a dwarf planet that orbits the Sun beyond Neptune polar adjective : relating to areas of a planet, star, or moon near the north or south pole pulsar noun : a neutron star that produces beams of radiation from its magnetic poles radiate verb : to emit something, often light or heat in the form of rays or waves reentry noun : the movement of an object in space that enters the atmosphere of Earth or another planet reflect verb : to throw light, sound, or heat back toward where it came from; to show an image of; to display an emotion reflected light noun : light that is picked up on a mirror and bounced to another place revolution noun : a single journey along an orbital path revolve verb : to move in a circle around something rocket noun : a machine designed for space travel rotate verb : to turn on an axis or center rotation noun : a single turn of something around an axis or a fixed point; spinning satellite noun : a natural or human-made object that orbits Earth or another object in space Saturn noun : a planet with large rings around it that is sixth from the Sun; a gas giant solar adjective : having to do with the Sun solar eclipse noun : an eclipse during which the Moon passes in front of the Sun and hides it from view solar system noun : a group of objects in space that orbit a star solstice noun : either of the two times of the year when the Sun is furthest from the equator space noun : the area between solid objects in the universe space flight noun : travel and exploration in outer space space shuttle noun : a spacecraft that can be used repeatedly space travel noun : a journey by people into space spacecraft noun : a vehicle used for traveling in space starry adjective : filled with or lit up by stars sunshine noun : direct light from the Sun sunspot noun : any of the relatively cool dark patches that appear in cycles on the Sun's surface and possess a powerful magnetic field tail noun : the bright, vaporized part of a comet that points away from the Sun technology noun : the use of scientific knowledge or tools to make or do something telescope noun : an instrument used to make distant objects look closer terrestrial planet noun : like Earth; a planet that is rocky in form and Earth-like in size twinkling adjective : to shine in a way that seems to switch between brighter and dimmer ultraviolet wave noun : radiant energy waves similar to light; cannot be seen by humans universe noun : all things that exist in space unknown adjective : not known vacuum noun : a space that contains absolutely no matter Venus noun : a small planet that is second from the Sun; a terrestrial planet waning noun : growing smaller or weaker waxing noun : growing bigger weightlessness noun : the condition of not seeming to weigh anything		artificial satellite noun : a human-made object that orbits another object in space asterism noun : a star-shaped reflective pattern inside a gem; a group of stars smaller than a constellation asteroid belt noun : the area in space between Mars and Jupiter where most asteroids orbit astronomical satellite noun : a research satellite that monitors waves and particles in deep space astrophysics noun : a branch of astronomy that is concerned with the physical nature of stars and other bodies in space big bang theory noun : the idea that the universe began from a single, enormous explosion and is still expanding bus noun : the body of a satellite, which contains basic functions and equipment celestial body noun : a natural object in the sky or in outer space communication satellite noun : a satellite that picks up sound, picture, or telephone signals earth station noun : a dish on Earth that receives signals from a satellite elliptical galaxy noun : an oval-shaped galaxy environmental satellite noun : a satellite that monitors how Earth is changing exoplanet noun : a planet that exists outside our solar system GPS noun : Global Positioning System; uses radio signals from satellites to pinpoint locations irregular galaxy noun : a galaxy without a regular shape Kuiper Belt noun : an area of our solar system beyond the orbit of Neptune where a group of minor planets and other objects orbit the Sun luminosity noun : a measure of the amount of radiating or reflected light coming off a star or other celestial object; brightness military satellite noun : a satellite that gathers information about other countries or serves military purposes in another way navigational satellite noun : a satellite that helps vehicles know their location nebula noun : a region or cloud of interstellar dust and gas appearing as a bright or dark patch neutron star noun : a star that has collapsed under its own gravity; a compact mass of neutrons optical telescope noun : a light-gathering telescope payload noun : the tools and other valuable equipment on a satellite; also, the valuable cargo on an aircraft phenomena noun : observable events, occurrences, or situations phenomenon noun : an observable event or occurrence polar orbit noun : an orbit that passes above both the North Pole and South Pole quasar noun : an astronomical object with very high energy output radio telescope noun : a telescope that collects radio waves from space rille noun : a long, narrow crack on the Moon's surface solar flare noun : a sudden energy burst that appears as a large, bright loop on the Sun's surface solar wind noun : a stream of gases that come from the Sun spiral galaxy noun : a galaxy with curved arms that extend from a central axis Sputnik noun : the first human-made satellite successfully launched into space stratosphere noun : the layer of Earth's atmosphere located beyond the troposphere where airplanes fly supernova noun : the death explosion of a massive star, resulting in a sharp increase in brightness followed by a gradual fading thermonuclear reaction noun : a process, often involving high temperatures, in which the structure of atoms change, releasing tremendous energy troposphere noun : the layer of Earth's atmosphere that is closest to the planet's surface weather satellite noun : an artificial satellite that monitors Earth's climate and weather