NEW
Font size
Worksheetsrevision november 2020
Total questions: 63
Worksheet time: 42mins
In a single day, the
Earth revolves around the Sun
Earth rotates on its axis
Moon revolves around the Earth
Sun rotates on its axis
The time it takes the Earth to make a complete rotation on its axis is -
one year
one month
one week
one day
When the moon completely blocks our view of the sun, it is called...
a lunar eclipse
a super moon
a Solar eclipse
Solar flare
The sun is made of what two gases?
oxygen and nitrogen
nitrogen and helium
helium and hydrogen
oxygen and hydrogen
How do we see the moon?
It reflects light from the sun
It refracts light from the sun
It transmits light from the sun
It absorbs light from the sun
How long does it take the moon to revolve around the earth?
a year
a day
27 days
72 days
The moon does not produce any light. Yet we can we see the moon in the sky. Why?
Moon reflecting Earth's light
Earth reflecting the Moon's light
Moon reflecting the Sun's light
Which of the following are characteristics of the Sun?
Made up of gas
Solar flares
Star
All of the above
Long period of time without rain
Wildfire
Drought
Thunderstorm
Flood
Snowstorms with high winds, low temperatures, and driving snow.
Avalanche
Tsunami
Blizzard
Earthquake
Warm, moist air mixes with cool dry air
Hurricane
Tsunami
Tornado
Thunderstorm
Movement of rock, debris, or earth downhill
Avalanche
Flood
Volcanic Eruption
Landslide
Earthquakes under the Ocean cause this natural disaster.
Hurricane
Flood
Tsunami
Thunderstorm
What is this natural disaster?
Huricane
Landslide
Earthquake
Avalanche
Name the natural disaster
Landslide
Avalanche
Tsunami
hurricane
Name this natural disaster
Volcano
Wildfire
Landslide
Tsunami
What happens during a volcano?
magma explodes
dirt and soil slide down a hill
snow and ice slide down a hill
cold and warm air mix and form storm clouds
Volcanoes and earthquakes tend to occur near what?
plate boundaries between oceans and continents
in large cities
any place they feel like
not at all
Who monitors the vibrations inside the earth
seismologist
meteorologist
hydrologist
cartographer
What is magma?
pieces of the Earth's crust
molten rock inside of a volcano
small rock
plates that meet
What is lava?
Molten rocks inside a volcano
Molten rock outside a volcano
small rocks
magma
Once magma reaches the Earth's surface it is called.......
Silica
Lava
Rock
Molten
What can be more dangerous than lava?
magma
ash cloud
vent
spiders
What is the difference between lava and magma?
Lava is inside the volcano and magma is out of the volcano.
Lava and magma are liquid rock.
Lava is outside of the volcano and magma is inside of the volcano.
Lava and magma are really hot.
What is an active volcano?
A volcano that has recently erupted and will probably erupt again.
A volcano that hasn't erupted in a long time but might erupt again.
A volcano that will never erupt again.
It loves to run and exercise.
What is an extinct volcano?
A volcano that erupted recently and may erupt again soon.
A volcano that will not erupt again.
A volcano that hasn't erupted in a long time but may erupt again.
A volcano that erupts everyday.
Which of these events can form a mountain?
A. Tornado
B. Hurricane
C. Flash flood
D. Volcanic eruption
point, directly above the true center of disturbance, from which the shock waves of an earthquake apparently radiate.
fault
epicenter
seismic
lithosphere
1. A flash flood is a flood that:
is caused by heavy rain rather than from the flooding of a river.
occurs in urban areas.
occurs suddenly and unexpectedly and for a short duration.
is caused by the blocking of drains.
In a single day, the
Earth revolves around the Sun
Earth rotates on its axis
Moon revolves around the Earth
Sun rotates on its axis
What causes the four seasons?
The revolution of the moon around the Earth
The revolution of the Earth around the Sun and position of its axis
The revolution of the Sun around the earth
The rotation of earth on its own axis.
It takes just about a month for the moon to -
completely revolve around the Earth
travel to Earth
leave its orbit
revolve around the Sun
What moon phase is shown in the picture?
Waxing Gibbous, Waning Crescent
Waning Gibbous, Waxing Crescent
first Quarter, Waxing Crescent
Last Quarter , Waning crescent
What is an umbra?
A shadow
The darkest part of the shadow during an eclipse.
Something to keep you dry in the rain
a lunar eclipse
Which of these satellites is used to transmit information from one place to another?
Weather satellite
Research satellite
Navigation satellite
Communication satellite
What can be inferred from the given picture?
It shows a phase between full moon and new moon.
There could be a full moon few days after this phase.
All of these are correct.
There could be a new moon few days after this phase.
On a particular night, Salim observed full moon. Fifteen days later, what would the shape of the moon be?
New moon
Crescent
Full moon
Half moon
Which of the given arrangements would form a lunar eclipse?
Sun - Earth - Moon
Sun - Moon - Earth
Moon - Earth - Sun
Both a. and c.
What type of eclipse does the given picture represent?
Total solar eclipse
Total lunar eclipse
Partial solar eclipse
Partial lunar eclipse
How is solar energy formed?
Helium gas converted to hydrogen gas.
Hydrogen gas converted to oxygen.
Hydrogen gas converted to helium gas.
Hydrogen gas converted to nitrogen gas.
How can astronauts move in space wearing heavy equipment without difficulty?
The gravitational force in space is greater than that of earth.
The gravitational force on the earth is greater than that of space.
Unlike the earth, space has no atmosphere.
There is no wind in space.
What causes tsunami?
i., iv., v.
iii., iv., i.
i., iii., v.
iii., ii., v.
Smaller quakes or tremors felt after a major earthquake are known as
Epicentre
Shockwaves
After shocks
Focus
Study the given statements and choose the correct option.
Only ii. and iii. are incorrect.
Options ii., iii. and iv. are incorrect.
Only ii. and iv. are incorrect.
Only iii. and iv. are incorrect.
Give one word for the following statements.
i. - Focus, ii. - Earthquae, iii. - Richter, iv. - Lava
i. - Epicentre, ii. - Landslide, iii. - Seismograph, iv. - Magma
i. - Focus, ii. - Landslide, iii. - Seismograph, iv. - Lava
i. - Focus, ii. - Earthquake, iii. - Richter, iv. - Magma
On a vacation to a mountain side resort, Kunal experienced a massive earthquake. His father told him that they were still in eminent danger. What was his father warning him about?
Landslide
Thunderstorm
Aftershocks
Both a. and c.
What are dormant volcanoes?
Those that have not erupted for several years but could erupt in future.
Those that would never erupt.
Those that have erupted recently.
. Those that are expected to erupt in future.
What factors determine whether a volcano is dormant, extinct or active?
The amount of lava erupting from the volcano
The size and shape of the volcanic mountain
The frequency of eruption
Both a. and c.
Which of these disasters are not caused by man?
iii., i., iv.
ii., i., iv.
v., iv., ii.
i., v., iv.
Which of the following is a necessary condition for a lunar eclipse to occur?
The moon must be full.
The moon must be waxing
It must be the beginning of the month.
It must be winter in the Northern Hemisphere
A ............................. can lead to Famine.
Flood
Drought
volcano
Cyclone
The overflowing of rivers onto land is called .............
Flood
Drought
Cyclone
Earthquake
The point, directly above the true center of disturbance, from which the shock waves of an earthquake starts.
Crust
Mantle
Epicenter
vibrocentre
A flash flood is a flood that:
Is caused by heavy rain rather than from the flooding of a river.
Occurs in urban areas.
Occurs suddenly and unexpectedly and for a short duration.
Is caused by the blocking of drains.
Which of these can form a Mountain?
Hurricane
Tornado
Flash flood
Volcanic Eruption
