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4th Grade Vocab Review for Semester 1 Midterm

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  • To find something new.
    discover
  • In space, this means objects like planets or stars.
    bodies
  • Bright lights in the sky at night, like our Sun.
    stars
  • On the outside or far away.
    outer
  • Comes from trees; used to build things.
    wood
  • A story you see in your sleep or something you wish for.
    dream
  • Doing something again and again to get better.
    practice
  • Extremely large or enormous in size, quantity, or degree.
    vast
  • A big group of billions of stars.
    galaxy
  • The group of planets, moons, asteroids, etc. that interact around the sun.
    solar system
  • A thing you can touch or see.
    object
  • To look at something carefully.
    examine
  • A robot that flies in space to collect information.
    space probe
  • The bones in your head.
    skull
  • Fell or almost fell by accident.
    tripped
  • A powerful king who rules an empire.
    emperor
  • A vehicle that travels in space.
    spacecraft
  • A fight between two groups.
    battle
  • People who fight in a war or protect a country.
    soldiers
  • Using your mind to think of fun or new things.
    imagination
  • Clothes everyone wears at work or school.
    uniform
  • A green stone used in jewelry.
    jade
  • A number or shape; also means a person.
    figure
  • A rock from space that lands on Earth.
    meteorite
  • Everything in space: stars, planets, galaxies, etc.
    universe
  • A big reptile that lived long ago.
    dinosaur
  • Far away.
    distant
  • The path something takes around a planet or the Sun.
    orbit
  • The force that pulls things down.
    gravity
  • A person who studies fossils and dinosaurs.
    paleontologist
  • The person who commands an army.
    general
  • Hard material from the ground.
    rock
  • A person who studies stars and space.
    astronomer
  • The center of something, like a planet.
    core
  • A flat, round shape (like a plate).
    disk
  • A tool to see faraway things in space.
    telescope
  • A tiny spot or dot.
    speck
  • A shiny coating put on wood.
    varnish
  • A fun activity or hobby.
    pastime
  • Soft gray powder left after something burns.
    ash
  • Anything that takes up space (solid, liquid, gas).
    matter
  • A big group of soldiers.
    army
  • A mark or bone from something that lived long ago.
    fossil
  • To find out or decide something.
    determine
  • The inside part.
    inner
  • The top of something.
    surface
  • Holes made when something hits the ground.
    craters
  • Hard clothes worn to stay safe in battle.
    armor
  • A place where someone is buried.
    tomb
  • Things stacked on top of each other.
    layers
  • Rock made from layers of dirt and sand.
    sedimentary
  • To look around and find out about something.
    explore
  • The first one; not a copy.
    original
  • A big rock that goes around a planet.
    moon
  • A place with a telescope to look at space.
    observatory
  • Gold, jewels, or something very special.
    treasure
  • A box for a dead body.
    coffin
  • Facts or details about something.
    information
  • Tools and machines that help people.
    technology
  • Lived in a place.
    dwelled
  • A person who finds old things to learn about history.
    archaeologist
  • A small rock that orbits the Sun.
    asteroid
  • The area around your home.
    neighborhood
  • A hard part inside your body.
    bone
  • The one you like the most.
    favorite
  • How far one thing is from another.
    distance
  • Soft earth used to make pots or art.
    clay
  • A person who finds and tells the news.
    reporter
  • A space rock with ice that has a bright tail.
    comet
  • Hard to see or not easy to find.
    hidden
  • To like something.
    enjoy
  • A poor farmer in old times.
    peasant
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