ConstructConstruct• to build, to put together piece by piece:

Builders construct buildings.

ConstructionConstruction• the act of building: That house has been

under construction for two months now.

ConnectConnect• to attach, join together: I connected the TV

antenna to the TV.

ConnectionConnection• an attachment, a joining together: I fixed

the loose connection between the TV antenna and the TV.

CombineCombine• to join together: Rain and freezing

temperatures combine to make snow.

CombinationCombination• two or more things, ideas, or events put

together: Chicken soup is a combination of pieces of chicken, vegetables, and water.

CooperateCooperate• to agree to help toward a common goal:

The two workers cooperated with each other to fix the broken pipe.

CooperationCooperation• act of working with toward a common goal:

It takes cooperation between employees to make a business run well.

AttractAttract• to draw interest: San Francisco attracts

millions of tourists each year.

AttractionAttraction• appeal: Because she is afraid of heights,

the long trip by airplane had little attraction for her.

AdmireAdmire• to like, be pleased by: He admires her

good looks.

AdmirationAdmiration• an attitude of approval or respect : I have

great admiration for the way he plays football.

SituateSituate• to put or build, locate: We situated our

house near the beach.

SituationSituation• way things are at a certain time, the state

of what's happening: The child was in a bad situation with no food or water.

ExamineExamine• to look at closely, scrutinize: The

mechanic examined the motor for defects.

ExaminationExamination• a test of one's knowledge: I took an

examination in English yesterday

ContributeContribute• to give (money, one's time, etc.): She

contributes money to her church.

ContributionContribution• a giving of money, one's time, etc.,

donation: That rich man makes big contributions to charity.

ExploreExplore• to travel into in order to learn about: The

children went to explore the playground.

ExplorationExploration• a journey of discovery, a search: the

exploration of space (the moon, the oceans)

• The exploration team discovered a new sea creature.

Challenge Words!Challenge Words!

NegotiateNegotiate to talk in order to reach an to talk in order to reach an

agreement on prices, wages, agreement on prices, wages, conditions, etc. : conditions, etc. : The labor union is The labor union is currently negotiating with the currently negotiating with the company.company.

NegotiationNegotiation a talk between people to reach an a talk between people to reach an

agreement on: agreement on: The negotiations The negotiations between the two countries resulted between the two countries resulted in a new trade agreement.in a new trade agreement.

InsulateInsulate to put material in walls and roofs to to put material in walls and roofs to

keep buildings warmer: keep buildings warmer: After we After we insulated the walls and attic, our insulated the walls and attic, our heating costs went down.heating costs went down.

InsulationInsulation any material that keeps out cold, any material that keeps out cold,

heat, and/or sound: heat, and/or sound: My winter jacket My winter jacket has goose feathers as insulation.has goose feathers as insulation.