Unit 5 Week 3

What does a carbon footprint measure?

• the total fossil fuels used around the world each year

• the amount of resources needed to support human life

• the changes from nonrenewable to renewable energy sources

• the amount of greenhouse gases produced by human activities

The author states that many people can avoid excessive waste. What does the word excessive mean?

• a small amount

• nonbiodegradable

• more than necessary

• something that can be reused

What is precycling?

• Planning purchases with recycling in mind

• Finding new ways to use existing resources

• creating collection systems for recycling waste

• converting biodegradable materials for use as fertilizer

What is graywater?

• water that is bottled for drinking

• water that has been used in a home

• water that is contaminated with toxins

• water that has been collected from rainfall

Composting is a good use of __________.

• paper and cardboard

• plastic bottles and bags

• spoiled food and garden trimmings

• uneaten meats and dairy products

I could see the cloud of black emissions from a distance. What is the word or group of words that has about the same meaning as emissions?

• flock of birds

• hiss of steam

• pile of powder

• substances released

There was an excessive amount of trash by the side of the road. What is the word or group of words that has about the same meaning as excessive?

• oddly small

• unusually large

• neatly organized

• awkwardly scattered

Jason’s feelings of confusion underlie his need for a better explanation. What is the word or group of words that has about the same meaning as underlie?

• cause others to feel

• form the foundation of

• suggest few care about

• allow others to work hard for

That is a 40-watt light bulb. What is the word or group of words that has about the same meaning as watt?

• model of an atom

• amount of mass

• particle of matter

• unit of electrical power

A synonym for the word innovative in the sentence below is — There are many innovative ideas for using solar power.

• creative

• dangerous

• expensive

• useless