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WorksheetsGrade 3 Cambridge
Total questions: 40
Worksheet time: 24mins
What is the name of the process where humans chop down large areas of forest?
urbanisation
forestation
deforestation
pollution
Oil, natural gas and (a) are fossil fuels which human's burn for energy.
What three R processes should we try to follow with plastic?
Rewind, revisit, reuse
reduce, release, rework
recycle, rewind, revisit
reduce, reuse, recycle
Which is best for the environment?
Reducing
Reusing
Recycling
What percentage of your body is water?
About 50%
Around 60%
Around 70&
Around 90%
What kind of living creature is at the start of every food chain?
Herbivores (plant eaters)
Carnivores/ predators (meat eaters)
Producers (plants and vegetation)
Apex predators
Which kind of gas makes up most of air?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
Everything in our universe is made up of tiny particles called (a) .
What is the name for an area of space that has no atoms?
Vacuum
Vacume
Vacum
Vacoom
Which state of matter can be compressed?
Solids
liquids
gases
Which state of matter can change its volume?
Solids
Liquids
Gases
What is the name of the process where a liquid is heated until it turns into a gas?
Freezing
Melting
Condensation
Evaporation
What is the name of the process where a liquid is cooled until it turns solid?
Freezing
Melting
Condensation
Evaporation
What is the name of the process where a solid is heated until it turns liquid?
Freezing
Melting
Condensation
Evaporation
What is the name of the process where a gas is cooled until it turns into liquid?
Freezing
Melting
Condensation
Evaporation
Sound is a type of (a) made when something causes atoms to vibrate.
Loud sounds have a bigger ______________ than quiet sounds.
Frequency
Amplitude
Pitch
High pitched sounds have a high __________________ which means the atoms are vibrating very fast.
Frequency
Amplitude
Volume
Which state of matter does sound travel through best?
Solids
Liquids
Gases
How can we keep experiments fair?
By keeping everything the same except the one thing we are testing.
By doing the experiment only once.
By timing the experiment.
By changing lots of things each time you do the experiment to see what happens.
What does a sound level meter measure?
The pitch of a sound
The frequency of a sound
The volume of a sound
The speed of a sound wave
What unit of measurement is a sound's volume measured in?
meters
decibels
litres
grams
What is the name of the tiny particles around atoms which flow through an electric current?
nucleus
atoms
electrons
metals
True or false? Electricity will flow through an open circuit.
True
False
What type of metal is found in many wires because it is a good conductor of electricity? It is also not magnetic.
Copper
Steel
Iron
Aluminum
Which of the following metals are NOT magnetic? (You may tick more than one).
Iron
Copper
Steel
Gold
Nickel
What is the name for materials which do not allow electricity to flow through them easily?
Conductors
Insulators
Magnetic
The ends of magnets are called the north and south (a) .
The ends of a cell are called the...
North and south poles
North and south terminals
Positive and negative poles
Positive and negative terminals
True or false? Two north poles on a magnet, placed near each other, will attract each other.
True
False, they will repel each other
False, they won't attract or repel each other
True or false? If the north pole of a magnet is placed next to the south pole of another magnet, they will repel each other.
True
False, they will attract each other
False, they will not attract nor repel each other
True or false? If a magnet is placed near some objects which are not magnetic, the magnet will repel those objects.
True
False, it will attract those objects.
False, it will not attract nor repel those objects.
Which food group does fish belong to?
Protein
Dairy
Carbohydrates
Fats and sugars
Which of the following foods are high in fibre?
Bread (especially brown bread)
cheese
Cereal
Pasta (especially whole-wheat pasta)
Chicken
How do fruit and vegetables help us stay healthy?
They help us build muscles.
They help us build up a strong immune system so we don't get sick.
They help us grow strong bones and teeth.
They help us grow tall.
What word means to transport goods out of a country?
Import
Export
Which of the following are reasons why we might have to import food and goods from other countries? (You may choose more than one answer).
Because some food doesn't grow well during some seasons here
Because other countries are experts at growing or making something
Because it is cheaper to make things in other countries than here
Because we don't have enough room to grow food for all our people.
Which civilisation first invented chocolate?
The Spanish
The Vietnamese
The Mayans
The English
Joseph (a) invented the first chocolate bar.
Which of these countries grow a lot of cacao trees? (You may choose more than one answer).
Switzerland
Ivory Coast
Indonesia
Germany
