ACT Science Geography Astronomy

ACT Geography Vocabulary

      altitude
      amplitude
      Antarctic
      aquicludes
      aquifer
      Arctic
      atmosphere
      aurora
      avalanche
      basalt
      basin
      bedrock
      bog
      breccia
      calcite
      calving
      carbonate
      circulation
      clay
      clearing
      climate
      compaction
      continental crust
      continental drift
      continental margin
      continental shelf
      convection
      corrosiveness
      crust
      crystallization
      cryosphere
      cumulates
      cyclone
      dam
      damp
      debris
      deposit
      depression
      desert
      devastate
      discharge
      displace
      downstream
      drainage
      earthquake
      elliptical
      emit
      endorheic basin
      epicenter
      equator
      erosion
      estuary
      evaporation
      fabric
      facies
      fault line
      fen
      fossil
      gaseous
      geomagnetism
      geyser
      glacial drift
      glacier
      glow
      greenhouse effect
      global warming
      gravel
      groundwater
      hemisphere
      hurricanes
      humidity
      hydrothermal
      hydrological cycle
      hydrosphere
      Ice Age
      ice crystal
      igneous rock
      infiltration
      infrared
      intact
      laminar
      latitude
      lava
      limestone
      lithosphere
      longitude
      magnitude
      mantle and core
      mantle plume
      marble
      mesosphere
      meteorology
      metamorphic rock
      meterorolgy
      moisture
      monsoon
      ore
      ozone hole
      partial pressure
      peat layer
      permeability
      petroleum
      plateau
      plume
      pluvial
      pluvial lake
      pollutant
      population
      pore
      precipitation
      prehistoric
      prevail
      propagate
      P-wave
      radiation
      retreat
      runoff
      salt pans
      sand grain
      scatter
      seasonal
      secondary pollutant
      sediment
      sedimentary rock
      seismic
      seismograph
      sewage
      shadow zone
      silt
      site
      soil profile
      solar energy
      sonography
      stagnant
      stoping
      system
      S-wave
      tectonic plate motion
      telescope
      temperate
      tephra
      terrestrial radiation
      thaw
      thermosphere
      thunderstorm
      tides
      till
      tornado
      tributary
      transpiration
      troposphere
      tsunami
      ultraviolet
      upstream
      viscosity
      volcano
      vulcanism
      water droplet
      water table
      waveform
      weathering
      wet deposition
      wetland
      whirlwind
      vent
      vortex

ACT Astronomy Vocabulary

      asteroid
      asteroid belt
      astronomer
      blackbody
      black hole
      celestial
      catastrophic
      chunck
      comet
      constellation
      cosmic
      crater
      crater floor
      debris
      devastate
      dissipate
      dust devil
      ecliptic plane
      elliptical
      explode
      flatten
      fuse
      galaxy
      gaseous
      gas giant planet
      geocentric model
      gravitational force
      heliocentric model
      impact
      infrared
      Jupiter
      main sequence
      Mars
      mass extinction
      Mercury
      meteor
      moon
      nebula
      Neptune
      orbit
      orbital period
      orbital resonance
      over-lapping gravity
      photosphere
      planet
      planetary
      plume
      Pluto
      protoplanet
      radiation
      revolve
      satellite
      Saturn
      solar system
      solar energy
      star
      stellar
      stony
      system
      thermonuclear fusion
      terrestrial planet
      terrestrial radiation
      trajectory
      universe
      Uranus
      Venus
      wake