Vocabulary
Phrasal Verbs
Phrases and collection
Word Patterns
Word Formation
100

What is the opposite of “artificial”?

Natural 

100

Which phrasal verb means “stop working”? 

Breakdown 

100

What do you make when you try to do something difficult?

Attempt

100

What does “manage” mean: succeed or fail? 

Succeed 

100

 What is a scientist who studies science? 

Scientist 

200

What does “accurate” mean?

Correct or true

200

Which phrasal verb means “discover”? 

Find out 

200

What do you use to find the reason for a problem?

Cause

200

What does “consider” mean: think or forget? 

Think 

200

What is the noun form of “invent”? 

Invention 

300

What is the difference between an “engine” and a “machine”? 


 An engine produces power; a machine is a device that does a particular job.

300

Which phrasal verb means “think of”? 

Come up 

300

What do scientists do to test an idea?

Experiment

300

What does “wonder” mean: question or answer? 

Question 

300

 What is the noun form of “observe”? 

Observation 

400

 What means existing in nature? 


Natural 

400

Which phrasal verb means “reduce possibilities”? 

Narrowdown

400

What do you reach after thinking carefully about the results?

Conclusion 

400

 What does “result” mean: outcome or beginning? 

Outcome 

400

 What is the negative form of “possible”? 

Impossible 

500

What means a particular way of doing something? 

Method 

500

Which phrasal verb means “connect to electricity”? 

Plugin 

500

What do scientists do to learn new information?

Research

500

What does “intend” mean: plan or cancel? 

Plan 

500

 What is the noun form of “introduce”? 

Introduction 

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