Mixed Vocabularies

It is a traditional musical instrument.

• erhu

• violin

• trumpet

My dad loves to watch TV after work. He thinks it's very ____________.

• deafening

• relaxing

• chellenging

This is a type of lever.

• doorknob

• knife

• seesaw

a hard black thing that comes from under the ground and gives out heat when you burn it

• natural gas

• oil

• coal

a place with machines that make electricity

• power plant

• pollution

• electricity

a small metal thing with a sharp end, which you use for joining things together. You push it into something by turning it with a special tools.

• screw

• wheel and axle

• wedge

a path that you use instead of steps to go up and down

• lever

• ramp

• wedge

Light bulbs, TVs, and computers need ___________________ to work.

• oil

• natural gas

• electricity

Fossil fuels are ________________ resources.

• renewable

• nonrenewable

The sun and wind are ___________________ resources.

• renewable

• nonrenewable