Grade 7 Vocabs Unit 10 Tieng Anh

This means existing or available in large quantities; plentiful.

• scant

• spare

• abundant

• meager

What word does not belong?

• depleted

• plentiful

• insufficient

• scarcity

It is most often applied to items with very high prices, such as luxury cars. (2 answers)

• expensive

• valuable

• cheap

• economical

This means incapable of being entirely consumed or used up ; renewable. capable of being renewed; replaceable

• not replenish

• fizxed

• exhaustible

• immutable

This means in a way that achieves maximum productivity with minimum wasted effort or expense.

• fruitless

• disorganized

• inefficient

• efficiently

A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.

• solar power

• fossil fuels

• hydro

• wave power

The power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.

• energy

• vibration

• sound

• chemical

This is showing what power?

What source of energy is this?

• renewable

  source

• non renewable source

Nuclear source of energy is clean and safe BUT ________________.