science quiz, Oct 8 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What kind of particles does seawater put in the air?

A

salt particles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What kind of particles are blown by the wind?

A

mold and plant pollen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What else produces particles?

A

soil erosion, fires, volcanos

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What allergy is caused by pollen?

A

Hay Fever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the pollen count?

A

average number pollen grains in a cubic meter of air.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What gives smoke its dark color?

A

particles of soot from burning fuel.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What kind of smog to sunny cities get?

A

photochemical smog

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is photochemical smog?

A

smog created by sunlight and chemicals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What chemicals in fossil fuels causes smog?

A

hydrocarbons and nitrogen oxides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What in coal gets in the air and causes acid rain?

A

sulfur oxides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

After reactions, acid rain contains

A

nitric acid and sulfuric acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How can you see the effect of acid rain in a city

A

Damages buildings and statues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How can you see the effect of acid rain in the country?

A

Harms trees (also kills fish and amphibians)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What have governments done to improve air pollution?

A

pollution control devices on cars and scrubbers (filters) in smoke stacks at factories.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How has air quality changed over the past 30 years?

A

better

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What did London stop burning to reduce smog?

A

coal

17
Q

What words does smog come from?

A

smoke and fog

18
Q

What does smog look like in a city?

A

a brown haze in the air

19
Q

What symptoms does air pollution cause?

A

dizziness, headaches, eye nose throat irriation, lung disease, chest pain

20
Q

WHAT CAUSES MOST AIR POLLUTION?

A

burning fossil fuels.

21
Q

What is air pollution

A

It is harmful substances in the air. It is the result of the burning of fossil fuels (like oil, coal, gasoline and diesel fuels).

22
Q

What are pollutants

A

Harmful substances in the air, water or soil

23
Q

What are particles

A

Things bigger than molecules in the air

24
Q

What is photochemical smog

A

It is the brown haze in the air of cities. It is light mixed with chemical pollution.

25
Q

what is acid rain

A

rain that contains more acid than normal. It happens with air pollutants combine with water in the air to form acids

26
Q

How can we improve air quality

A

The US has passed laws and regulations to reduce air pollution.
Pollution control devices on cars, electric cars
filters on factories smoke stacks called scrubbers

27
Q

What are natural ways that particles are added to the atmosphere?

A

pollen from plants, forest fires, soil erosion, volcanoes, dust storms, ocean waves (salt)

28
Q

What are some human causes that add particles to the atmosphere?

A

Burning wood and coal. Farming and construction.

29
Q

what does ozone do

A

In smog, it irritates breathing passages, harms plants, and damages rubber, paint and some plastics