ATMOSPHERE
Which gas in our atmosphere is most abundant?
NITROGEN
Smoke, dust and fumes from fires, vehicles and factories cause this in the air.
POLLUTION
Give us one disease caused by air pollution
asthma
How do we call a place where two plates slip past each other, moving in opposite directions?
transform boundary
Melted rock underground our planet is called
magma
Which of the following is NOT a reason why the atmosphere is important?
A. It is made of many layers. B. It provides gases living things need. C. It provides warm temperatures. D. It protects us from UV rays and meteors.
A. It is made of many layers.
What does pollution do to people?
It makes people cough and damages their lungs.
Why do workers in construction sites wear masks?
To fillter dust from the air.
A collision between two pieces of continental crust at a converging boundary produces a
mountain range
The outside layer of earth, which is the thinnest layer, is called:
crust
A mixture of gases and particles that surround a planet, held by gravity is called...
ATMOSPHERE
What does pollution do to plants?
It blocks the pores in plants’ leaves and poisons soil. Plants may stop growing and die.
Why do cars have air filters?
To stop dust getting into the engine
great valleys, or riffs are formed in what type of plate boundaries?
divergent boundary
When magma breaks through a weak spot in the crust e have a...
volcanic eruption
In which layer of the atmosphere does the ozone exist?
Stratosphere
List 3 sources of air pollution
cars, smoking, factory fumes, burning trash
What device is used to trap dust particles to clean the air?
air filter
The place where two plates come together is known as a
convergent boundary
Scientists have methods to predict a volcano eruption. Give one of these methods
1. use a seismograph to record the small eathquakes that happen before an eruption
2. observe the shape of the volcano which begins to change before an eruption.
3. monitor poisonous gases that come from the volcano.
THREE TYPES OF CLOUDS
CUMULUS, STRATUS, CIRRUS
List two things we could do to reduce air pollution
Vehicles must be well maintained
We could Drive less.
Protect trees
How is dust trapped in a power station chimney?
with electricity
Where are volcanoes and earthquakes most common?
plates boundaries
Explain why is it important to predict a volcanic eruption?
people can be evacuated to safety before the eruption occurs