Unit 4 Reading

Choose the correct variants.

How has electric light made our lives easier?

• guides us home

• keeps us safe makes our home comfortable

• damage people's eyesight.

What things are affected negatively by light pollution?

• wildlife

• human health

• human ability to observe stars

Read the definition and match with the correct word.

a covering that can be rolled up and down to cover a window

• blinds

• lit-up

• eyesight

bright with light

• blinds

• lit-up

• migrate

• observe

when birds and animals travel regularly from on part of the world to another

• migrate

• observe

• guide

to show somebody the way tp a place, often by going with them

• observe

• migrate

• observe

• guide

to see somebody/something

• guide

• migrate

• observe

• blinds

Answer the question.

Why have we started seeing fewer stars than we did in the past?

What can be done to solve this problem?

• don’t use too much light

• direct outdoor lights down

• never close window blinds and curtains