Unit Four Spelling

•  hydrant

•  hydrogen

•  dehydrated

•  chronic

•  synchronize

•  thermos

•  thermometer

•  diameter

•  speedometer

•  centimeter

•  hydrophobia

•  hydraulic

•  hydroelectric

•  chronicle

•  chronological

•  thermostat

•  thermal

•  geometry

•  barometer

•  symmetry

Challenge Words

•  chronograph

•  thermodynamic

•  thermonuclear

•  metronome

•  asymmetrical