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WorksheetsFossils (Fossil Fuels)
Total questions: 86
Worksheet time: 43mins
(MCQ) Which of the following is NOT a fossil fuel?
Oil
Coal
Gas
Wood
(MCQ) Fossil fuels are called non-renewable because:
they come from plants and animals
their supply is limited and cannot be replaced quickly
they are always clean and safe
they can be recycled
(MCQ) Burning fossil fuels mainly causes:
more plants to grow
air pollution
cleaner water
more oxygen
(MCQ) If there is an oil spill in the ocean, it will:
clean the water
harm fish and birds
help plants grow
evaporate immediately
(MCQ) Oil, coal, and natural gas are known as fossil fuels.
True
False
(MCQ) Fossil fuels cannot be easily replaced once they are used.
True
False
(MCQ) Burning fossil fuels causes air pollution.
True
False
(MCQ) Fossil fuels are formed from dead plants and animals buried deep underground.
True
False
(MSQ) Select all that are examples of fossil fuels.
Oil
Coal
Natural gas
Wood
(MCQ) Why do scientists say fossil fuels are non-renewable?
They take millions of years to form and cannot be replaced quickly.
They are always clean and safe.
They can be recycled infinitely.
They are made from plants and animals.
(MSQ) Select the effects an oil spill can have on the environment.
Harm fish and birds
Pollute water
Coat shorelines with oil
Evaporate immediately
(MCQ) A simple detector for air pollution (dust in the air) can be made with:
paper towels
a paper plate coated with petroleum jelly
a metal pan
a cloth bag
(MCQ) Which of these is a visible sign of air pollution in a city?
Clear blue sky
Smoke or haze in the air
More birds flying
Bright sunshine
(MCQ) Air pollution can harm living things by:
adding extra oxygen to the air
making the air dirty and poisonous
helping plants grow faster
creating cleaner water
(MCQ) True or False: Air pollution comes from many sources, such as cars, factories, and fires.
True
False
(MCQ) True or False: Breathing highly polluted air is good for our health.
True
False
(MCQ) True or False: Solid particles (dust and smoke) in the air are a form of pollution.
True
False
(MCQ) True or False: An air pollution detector can help measure how much dust is in the air.
True
False
(MCQ) Name one source of air pollution that we see in cities (for example, a type of vehicle or factory).
Exhaust from cars and buses
Solar panels on rooftops
Fresh air from parks
Rainwater from storms
(MCQ) Why is breathing polluted air harmful to people and animals?
It can cause health problems such as breathing issues.
It improves strength and endurance.
It cleans the lungs naturally.
It provides more oxygen than clean air.
(MCQ) How can you use household materials to test for dust in the air?
Place a paper plate coated with petroleum jelly outside to collect particles.
Boil water and watch for bubbles.
Open windows to let air circulate.
Plant trees and wait for leaves to change color.
(MCQ) The turbidity of river water refers to how:
fast the water flows
cold the water is
clear or muddy the water is
deep the river is
(MCQ) Which activity can pollute a river?
Swimming in the river
Dumping factory waste into it
Picking up litter by the river
Planting trees on the riverbank
(MCQ) Why are rivers important?
They provide water and habitat for many living things.
They cause air pollution.
They never dry up.
They always flow in a straight line.
(True/False) Rivers should be kept clean because many plants and animals live in and around them.
True
False
(True/False) Factories next to a river can pollute the water if they release waste into it.
True
False
(True/False) All rivers flow quickly in narrow channels.
True
False
(True/False) Water can dissolve many substances, so pollutants can easily mix into river water.
True
False
(True/False) High turbidity in water means that the water is very clear.
True
False
Give one way that human activities can harm a river.
Dumping factory waste into the river
Releasing untreated sewage into river water
Littering along the riverbanks
Planting trees on the riverbank
What does it mean if river water has high turbidity?
The water is very clear
The water contains many suspended particles, making it cloudy
The river is deep
The water flows very fast
Why should we protect rivers and keep them clean?
Because many plants and animals depend on them.
To cause air pollution.
So rivers always flow in a straight line.
So people cannot use them.
A tsunami is usually caused by a: Choose one answer.
very strong ocean wind
large underwater earthquake
heavy rainfall
high tide
If you feel an earthquake and you live near the coast, you should: Choose one answer.
Stay where you are
Go to lower ground
Move to higher ground
Swim in the ocean
We cannot prevent tsunamis from happening, but people can prepare for them. Select True or False.
True
False
A big tsunami can cause a lot of damage and be very dangerous to coastal areas. Select True or False.
True
False
Tsunamis are caused by the shaking of the ground under the ocean, not by people. Select True or False.
True
False
After an earthquake near the coast, moving to higher ground can help keep you safe from a tsunami. Select True or False.
True
False
What is a tsunami? Choose one answer.
a very large ocean wave caused by underwater disturbances such as earthquakes
a regular tide that happens each day
a storm surge formed by strong winds
a small wave that breaks near the shore
Give one thing people can do to prepare for a tsunami or stay safe from it. Select all that apply.
Move to higher ground after an earthquake near the coast.
Have an evacuation plan and keep an emergency kit ready.
Stay at lower ground to watch the waves.
Ignore warnings and stay at the beach.
Why do tsunamis often occur after earthquakes? Choose one answer.
Underwater earthquakes displace large amounts of water.
Strong winds develop after every earthquake.
Heavy rainfall usually follows earthquakes.
Tides suddenly change after any earthquake.
A seismograph is an instrument that measures:
rainfall
earthquakes (ground tremors)
wind speed
temperature
The Richter scale is used to measure the ______ of an earthquake.
speed of shaking
damage caused
duration of shaking
magnitude/strength
Which type of building design can help reduce damage from earthquakes?
One with strong foundations and a flexible design
One made entirely of glass
A very tall, narrow tower
A building on sandy soil
Scientists use seismographs to detect earthquakes and can sometimes provide early warnings.
True
False
The Richter scale ranges from 0 to 10 and measures the strength of an earthquake.
True
False
Earthquakes often cause damage to buildings and the environment.
True
False
Designing earthquake-resistant (proof) buildings can reduce damage during an earthquake.
True
False
What does a seismograph record during an earthquake?
ground motion and shaking
wind speed changes
amount of rainfall
air temperature
Why do engineers build structures that are earthquake-proof?
to reduce damage and protect lives
to make buildings taller
to use more glass in construction
to cause more shaking during earthquakes
Name one effect of a strong earthquake on a city or its environment.
Building damage or collapse
Ground cracks or landslides
Fires and power outages
Increased rainfall
What is magma?
Cold water under a volcano
Gas under a volcano
Hot liquid rock beneath the Earth’s surface
A type of soil
When magma comes out of a volcano, it is called:
lava
smoke
ash
steam
A volcanic eruption can release:
lava, ash, and gases
only dust
only earthquakes
only water
Lava is very hot, melted rock that flows out of a volcano.
True
False
Volcanic eruptions can release ash and gases into the air.
True
False
Volcanoes have no benefits and only cause problems.
True
False
Volcanic ash can cover land and damage plants and animals.
True
False
Name one thing (other than lava) that can come out of a volcano during an eruption.
ash
gases
steam
soil
Give one environmental problem caused by a volcanic eruption.
Air pollution from ash
Habitat destruction
Increased tourism
Better crop yields
Give one environmental benefit of volcanoes.
Creation of new land
Soil enriched with minerals
Decreased biodiversity
Permanently dark conditions
What is a magma chamber?
A large underground pool of liquid rock beneath a volcano.
A cloud of ash above a volcano.
The crater at the top of a volcano.
A river of lava on the surface.
What is digestion?
The movement of food around the body
The process of breaking food into smaller parts
The removal of waste from the body
The storage of food
Where does digestion begin?
Stomach
Small intestine
Mouth
Large intestine
Which part of the body helps to chew food?
Tongue
Teeth
Stomach
Oesophagus
What is the function of saliva?
To swallow food
To digest food using acid
To soften food and help digestion start
To remove waste
The oesophagus is best described as:
A bag that stores food
A long tube that carries food to the stomach
A place where nutrients are absorbed
A muscle that chews food
Which organ uses acid to break down food?
Mouth
Stomach
Large intestine
Liver
Where are most nutrients absorbed into the blood?
Stomach
Mouth
Small intestine
Large intestine
What happens in the large intestine?
Food is chewed
Acid breaks down food
Water is absorbed from waste
Nutrients enter the blood
Digestion helps our bodies use the food we eat.
True
False
Teeth help by cutting and grinding food.
True
False
Food moves from the mouth directly to the stomach.
True
False
The stomach uses strong acid to aid digestion.
True
False
The small intestine absorbs nutrients into the blood.
True
False
The large intestine absorbs water from waste food.
True
False
Undigested food leaves the body as faeces.
True
False
Digestion stops completely after food leaves the stomach.
True
False
What is the main job of the digestive system?
To break down food into nutrients that the body can absorb
To pump blood around the body
To help us breathe by bringing in oxygen
To control body temperature
Name one thing teeth do during digestion.
They absorb nutrients into the blood
They cut and grind food
They release strong acid
They move food to the stomach
Why is saliva important when we eat?
It stores food before swallowing.
It softens food and begins digestion.
It absorbs water from waste food.
It carries food to the stomach.
What does the stomach do to food?
It chews food to make it smaller
It uses strong acid to break down food
It absorbs most nutrients into the blood
It moves food to the large intestine
Name the organ where most digestion and absorption occur.
Mouth
Stomach
Small intestine
Large intestine
Why does the body need to absorb nutrients?
To provide energy and materials for growth and repair.
To keep food inside the stomach longer.
To make saliva taste sweet.
To stop the oesophagus from moving food.
What happens to food that cannot be digested?
It stays in the stomach forever.
It is absorbed into the blood.
It leaves the body as faeces.
It turns into saliva.
Put these parts in the correct order: Mouth – Stomach – Oesophagus – Small intestine
Mouth – Oesophagus – Stomach – Small intestine
Mouth – Stomach – Small intestine – Oesophagus
Oesophagus – Mouth – Stomach – Small intestine
Mouth – Large intestine – Stomach – Oesophagus
