U2 L1 Vocab

Front

What does it mean to talk together?

Back

converse

Front

What is the term for how most perceive a person or thing?

Back

reputation

Front

Lead?

Back

A heavy, soft, gray metal.

Front

Energy emitted as waves or tiny particles.

Back

Radiation

Front

Catalyst?

Back

An event that causes or speeds something else.

Front

Controversial:

Back

A topic that causes the exchange of opposing ideas.

Front

Position or location of something?

Back

sites

Front

Steady, glowing light?

Back

luminous

Front

Able to achieve desired results with minimal time or effort:

Back

efficient

Front

Make careful study of?

Back

observe