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WorksheetsScience
Total questions: 58
Worksheet time: 32mins
What is the SI unit of heat?
Joule
Calorie
Kelvin
Watt
Temperature is a measure of:
Total energy of a system
Kinetic energy of molecules
Potential energy of molecules
Work done by a system
Which instrument is used to measure temperature?
Barometer
Thermometer
Calorimeter
Anemometer
What happens to the temperature of a substance during a phase change?
Increases
Decreases
Remains constant
Doubles
Which mode of heat transfer requires a medium?
Conduction
Convection
Radiation
Both a and b
Which of the following is an example of convection?
Sun’s heat reaching Earth
Heating water in a pot
Heat transfer through a metal rod
Infrared waves from a heater
Which material is the best conductor of heat?
Wood
Copper
Plastic
Rubber
What is the specific heat capacity of water?
1 J/kg K
4.18 J/g K
0.5 J/g K
10 J/kg K
Which of the following expands the most when heated?
Solids
Liquids
Gases
All expand equally
What is the process by which heat is transferred without the movement of particles?
Conduction
Convection
Radiation
Sublimation
What is sound?
A type of light energy
A form of energy that we can hear
A type of electricity
A form of water energy
How does sound travel?
Through space only
Through air, water, and solids
Only through air
Only through water
What causes sound?
Light shining on an object
Objects vibrating
Air standing still
Water freezing
Which of the following is an example of a loud sound?
A whisper
A clock ticking
A lion roaring
A leaf falling
Which part of our body helps us hear sounds?
Eyes
Nose
Ears
Hands
What is the speed of sound fastest in?
Air
Water
Solid materials
Vacuum (empty space)
What happens when you strike a drum?
It stops moving
It vibrates and makes a sound
It gets smaller
It creates light
Which of these is a soft sound?
A dog barking
A baby crying
The rustling of leaves
A fire alarm
How do we measure how loud or soft a sound is?
In kilometers
In meters
In decibels
In liters
What happens when you put your hand on a speaker playing music?
You feel vibrations
The sound stops
The music speeds up
The music slows down
What happens when you heat a solid?
It turns into a gas instantly
It expands and may change into a liquid
It shrinks and disappears
It becomes heavier
What is the process of changing a liquid into a gas called?
Freezing
Condensation
Evaporation
Melting
What happens to water when it is cooled to 0°C?
It evaporates
It turns into ice
It disappears
It turns into steam
Which of the following is an example of heating?
Melting ice cream
Freezing water
Condensation on a window
Cooling a hot drink
What happens to most materials when they are heated?
They contract (get smaller)
They expand (get bigger)
They change color
They break apart
What is the process of changing a gas back into a liquid called?
Evaporation
Freezing
Condensation
Boiling
When a liquid cools down, it can change into which state?
Solid
Gas
Another liquid
Light
What happens to metal when it is heated?
It melts instantly
It gets larger (expands)
It turns into water
It disappears
Which of these is an example of cooling?
Boiling water
Melting chocolate
Freezing juice into ice pops
Cooking an egg
When you put a cold spoon in hot soup, what happens?
The spoon stays cold
The soup gets colder
Heat moves from the soup to the spoon
The spoon turns into a liquid
What is the main function of muscles in the body?
To help you breathe
To help you move
To digest food
To protect your organs
Which type of muscle helps you move your bones?
Smooth muscles
Skeletal muscles
Heart muscles
Skin muscles
What do we call muscles that are not under our control?
Voluntary muscles
Involuntary muscles
Smooth muscles
Skeletal muscles
Which type of muscle makes your heart beat?
Skeletal muscles
Smooth muscles
Cardiac muscles
Skin muscles
What happens when muscles contract?
They get longer
They get shorter
They get heavier
They become stiff
Which of the following is an example of a voluntary muscle action?
The heart pumping blood
Blinking your eyes
Stomach churning food
Breathing
Which muscles are found in your arms and legs?
Cardiac muscles
Skeletal muscles
Smooth muscles
None of the above
What do muscles need to work properly?
Water only
Good food and exercise
Only rest
Sleep only
What happens when you stretch your muscles?
They get shorter
They become stronger
They become longer
They stop moving
Which of the following muscles is an involuntary muscle?
Bicep
Heart muscle
Quadriceps
Calf muscle
What does a magnet attract?
Only metals
Only water
Metals like iron and steel
Wood and plastic
Which of the following is a property of magnets?
They are always cold
They attract only non-metal objects
They have two poles, a north and a south
They can only repel each other
What happens when you bring the north pole of one magnet near the north pole of another magnet?
They attract each other
They repel each other
They stick together
They become weaker
What happens when you cut a magnet in half?
You get two smaller magnets, each with a north and south pole
You only get one magnet
The magnets lose their magnetism
The magnets turn into electric charge
Which of the following is attracted to a magnet?
Glass
Plastic
Iron
Wood
What is the area around a magnet where its force is felt called?
Magnetic field
Electric field
Force field
Magnetic core
Which of these materials is NOT magnetic?
Iron
Nickel
Copper
Steel
If you break a magnet into two pieces, each piece will have a:
Single pole
North pole
South pole
North and south pole
What is the north pole of a magnet attracted to?
Another north pole
The south pole of another magnet
Only iron
Only steel
Which of the following can magnets do?
Attract metals
Light up bulbs
Produce heat
Generate electricity
_________ is a form of energy that we can hear and travels through the air.
sound
volume
energy
wave
_________ is a form of energy that we can hear and travels through the air.
sound
volume
energy
wave
Sound is a form of energy produced by ______________.
vibrations
distances
prisms
Miss Robinson
