Vocabulary Surge Practice Lesson 18

Fill in the blank with the correct Greek combining form word part.

The life ____e of a plant follows a

circular pattern.

• cycl

• geo

• bio

• eco

Fill in the blank with the correct Greek combining form word part.

The scientists want to find out where Earth’s ___magnetic pull is strongest.

• cycl

• bio

• geo

• eco

Fill in the blank with the correct Greek combining form word part.

Her first class in ___logy focused on mammals, which are warm-blooded animals.

• therm

• bio

• geo

• zoo

Fill in the blank with the correct Greek combining form word part.

She used a _____ometer after she felt her child’s warm forehead.

• therm

• bio

• geo

• zoo

Fill in the blank with the correct Greek combining form word part.

Working in crimino____ involves the science of the criminal mind.

• therm

• logy

• geo

• zoo

The Greek combining form cycl means _________.

• circular or wheel or circle

• ball or globe

• heat

• life

The Greek combining form geo means _________.

• heat

• ball or globe or circle

• life

• Earth

The Greek combining form sphere means _________.

• heat

• ball or globe or circle

• life

• Earth

The Greek combining form bio means _________.

• heat

• animal

• life

• study or science

The Greek combining form eco means _________.

• life

• animal

• environment or nature

• study or science