WorksheetsGrade 8- Unit 7
Total questions: 35
Worksheet time: 19mins
Choose the best answer to complete the sentences.
Sudden changes in water temperature can ________ mass killings of fish, plants, or amphibians.
come up
result in
dump into
thank to
Choose the best answer to complete the sentences.
Water pollution________ the death of all forms of life in the water bodies.
occurs
results of
creates
leads to
Choose the best answer to complete the sentences.
________ plastic takes so long to break down, it pollutes the land and ocean.
Because
Due to
Even if
Although
Choose the best answer to complete the sentences.
Many flights were cancelled ________ the smoke from forest fires.
so
because
because of
result in
Choose the best answer to complete the sentences.
________the garbage dump smells terrible, no one lives around there.
Because of
As
As a result of
Even though
Choose the best answer to complete the sentences.
After the accident, many people were exposed________ radiation
from
at
to
with
Choose the best answer to complete the sentences.
Light pollution has a wide range of negative effects________ human health.
on
of
for
to
Choose the best answer to complete the sentences.
________can cause high blood pressure, heart problems, sleep disturbances, and hearing problems.
Air pollution
Light pollution
Water pollution
Noise pollution
Choose the best answer to complete the sentences.
________are chemicals that are used to kill unwanted plants, such as weeds
Fertilizers
Pesticides
Herbicides
Pollutants
Write the correct tense or form of the verbs in brackets.
It would be better for the environment if more people (a) (use) bikes rather than cars.
Write the correct tense or form of the verbs in brackets.
If we use less energy, we (a) (help) reduce greenhouse gas emissions.
Write the correct tense or form of the verbs in brackets.
Every year, million tons of plastic (a) (dump) into the oceans.
Write the correct tense or form of the verbs in brackets.
A thick smog________ (settle) over New Delhi since winter________ (begin).
(a)
Write the correct tense or form of the verbs in brackets.
Human activities (a) (destroy) nature at an unacceptable rate right now.
Write the correct tense or form of the verbs in brackets.
A decade ago, WHO (a) (classify) air pollution as a link to lung cancer.
Write the correct tense or form of the verbs in brackets.
What________ (happen) if all the pollution in the world________ (disappear)?
(a)
Write the correct tense or form of the verbs in brackets.
At 8 o’clock last night, I (a) (watch) “A Plastic Wave”, a documentary on plastic pollution.
Write the correct tense or form of the verbs in brackets.
We should avoid (a) (buy) frozen foods because their packaging is mostly plastic.
Write the correct tense or form of the verbs in brackets.
Air pollution can make people (a) (dead).
Supply the correct form of the words in brackets.
As an (a) why do you oppose using nuclear power as an alternative? (environment)
Supply the correct form of the words in brackets.
The radiation leak has had a (a) effect on the environment. (disaster)
Supply the correct form of the words in brackets.
The water supply is being tested for (a) . (contaminate)
Supply the correct form of the words in brackets.
Heavy metals in (a) water cut short millions of lives every year. (drink)
Supply the correct form of the words in brackets.
Scientists warn that plastic pollution in oceans will be one of the (a) threats. (big)
Supply the correct form of the words in brackets.
Pollution is the process of making parts of the living environment (a) . (dirt)
Supply the correct form of the words in brackets.
If thermal pollution continues for a long time, it can (a) cause huge bacteria. (possible)
Supply the correct form of the words in brackets.
She became deaf after long-term (a) to noise in the workplace. (expose)
Supply the correct form of the words in brackets.
Living near a busy road could cause high blood (a) . (press)
Supply the correct form of the words in brackets.
Wastewater (a) is a process which is used to remove contaminants from sewage. (treat)
Joining two sentences, using the words in brackets.
We must conserve water. Otherwise we will face serious water shortages.
-> If (a)
Joining two sentences, using the words in brackets.
The weather was awful. We didn’t enjoy our camping holiday.
-> Because of (a)
Joining two sentences, using the words in brackets.
Water pollution happens. Many aquatic animals such as fish can die. (LEADS)
(a)
Joining two sentences, using the words in brackets.
The climate is changing. The earth is getting warmer. (BECAUSE)
(a)
Joining two sentences, using the words in brackets.
We should stop cutting down so many trees. We endanger our oxygen supply.
-> Unless (a)
Joining two sentences, using the words in brackets.
We are damaging the ozone layer. The ozone layer is necessary for human existence.
-> Alhough (a)
