WorksheetsEarth structure - earthquake - volcanos
Total questions: 65
Worksheet time: 36mins
The Earth shape is
sphere
Circle
The Earth is made up of…………..
How many layers does the Earth have?
What is the name of the earths layer that we live on?
What is the thinnest layer of earth?
The Earth crust is made of
Rocks and minerals
The Earth crust is divided into
continental crust (land)
oceanic crust (sea)
Why is the oceanic crust and continental crust different?
Because the main types of rock on these layers is different
The mantle is divided into
Which layer is immediately below the crust?
Upper mantle
The upper mantle is made of
Hot rocks (magma)
Melted rock
Melted mineral
Solid metal
The lower mantle is mainly made of
Hot rock
Melted rocks
Melted minerals
Solid minerals
The centre of the Earth is called
What is the hottest layer of the Earth?
The core of the Earth is divided into
The outer core of the Earth is made of
liquid metal
(Melted metal)
The inner core of Earth is made of
Solid metal
Liquid metal
Hot rock
Melted rocks
What creates the magnetic field of earth?
The metals in the inner core
Why do you think earthquakes happen?
When the Earth’s
tectonic plates suddenly move and
crash into each other this movement shakes the ground.
Why is it important to know the earthquake before?
Knowing about earthquakes helps us stay safe.
To prepare an emergency kit with food and water.
Schools and homes can have safety plans.
What’s the name of this type of tectonic plates movement?
What’s the name of this type of tectonic plates movement?
What’s the name of this type of tectonic plates movement?
Describe how the movement of tectonic plates builds pressure and causes earthquakes and tsunamis.
An earthquake happens when the tectonic plates on the surface of the Earth ……….. or …………..
Bend
rotate
Squeeze
Stretch
The squeezing and stretching of tectonic plates cause the rocks of the surface to ……. Or ……….
Lift or move apart
When the Earth shakes and roll after an earthquake, it gets rid of ……….
Stress
The stresses in the earth are found at ………….. in the ……………….
Fault lines in the earths crust
an earthquake can occur on ……. Or ……..
Dessert or landslides
Land or ocean
When an earthquake occurs in the ocean it can cause a
What is a tsunami?
A tsunami is a series of large ocean waves typically caused by underwater earthquake
There are more than ……… earthquake every year, but they usually last less than a …………
1000,000 , minute
we can feel all the earthquakes
Yes
No
The strength of an earthquake is measured using …………..
Richter scale
Scale 2 earthquake are called …. And usually …….. be felt
Strong; always felt
minor; cannot
Major ; can be felt
a scale 3 to 4 earthquake is called ……….. and ……….. be felt, but causes …….. damage
Light earthquake; can; little
Earthquake scale above four and below six is called ……. And it ………… felt and causes ………damage to the buildings
Strong earthquake
Cannot
Little
Major earthquake
Can
Huge
moderate earthquake
Can
Slight
An earthquake scale above 5 and below 7 is called …….. it ……… be felt and can cause ……… to buildings
moderate earthquake
Can
Little damage
minor earthquake
Cannot
No damage
Strong earthquake
Can
Damage
An earthquake scale above six and below eight is called …… it ……. be felt and causes ……………
Major earthquake
Can
Serious damage
Strong earthquake
Can
Little damage
Great earthquake
Can
Destroy whole areas
An earthquake scale above seven is called ……. It. …….. be felt and can …….
major earthquake
Can
Causes serious damage
Strong earthquake
Can
Causes damage to buildings
Great earthquake
Can
Destroy all areas
Aftershocks can happen after a large…………
What is an aftershock earthquake?
An aftershock earthquake is a smaller earthquake that follows a larger mainshock earthquake and affect the same place where the earthquake took place
Aftershocks happen after ……….. and they can continue for ……… afterwards
Light earthquake
only a few minutes
Minor earthquake
a couple of weeks
Minor earthquake
a few hours
Large earthquakes
days
an earthquake occurs because of the …..
Where is magma found?
Beneath the Earth's surface in the mantle
What is magma?
Magma is molten rock that is very hot and flows like a liquid
Molten rock called ………. Comes from the Earth’s mantle. When it reaches the surface of the earth scientist call it……………..
Clouds of tiny particles emitted from a volcanic eruption are called
The largest tube through which magma travels to the surface is the ………. Of a volcano.
But sometimes lava comes out of a smaller tubes called ……….
Side vent
Central vent
crater
Central vent
Central vent
Crater
central vent
Side vent
Sometimes lava comes out of a smaller tubes called
Central vents
Side vents
The ………. is the ball shaped opening of the top of a volcano.
There are more than ………. Active volcanoes.
Volcanoes can be found in ……. And ………..
Land and ocean floors
The largest active volcano is in …..
Hawaii
Japan
Iceland
A volcano is
A mountain that opens downwards to a pool of molten rocks below the earths crust when the pressure builds up under the surface of the Earth the mountain will erupt
A mountain is made from
rock and ashes
Lava and magma
Ashes and magma
Where does magma rises from? And how does it escape?
Magma rises from the Earth's mantle and as pressure builds up it escapes by shooting up through the volcano
What comes out shooting up of a volcano? And what flows down ?
Gases and rocks shoot up and lava flows down the slopes of the volcano
The Earth crust is like a ….. , with huge ……… known as the ………..
puzzle; Slidestectonic plates
book; continents, oceanic plates
jigsaw; slabs, tectonic plates
The tectonic plates move very ……. across the surface of the Earth.
How are mountains created?
Mountains are created where the edges of tectonic plates meet each other and collide, the land is upwards
How are valleys formed?
Where the edges of the tectonic plates are pulling apart from one another
…….. and ………..from a volcano can wipe out everything in the local area
Where do volcanoes occur in the oceans?
What is lava?
Lava is a magma when it cools and hardens at the surface of earth
