Energy Forms and Transfers
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Kinetic and Potential Energy
SubtopicKinetic and Potential Energy under Energy Forms and Transfers for Grade 6 IB.
Preview questions (no answers)
- 1.
Which of the following objects has the least kinetic energy?
A.A snail crawling slowly
B.A racing car at full speed
C.A jet taking off
D.A falling meteor
- 2.
As a pendulum swings upwards from the center to the side, what transformation is happening?
A.Kinetic energy is turning into potential energy
B.Potential energy is turning into kinetic energy
C.Heat energy is turning into sound energy
D.No transformation is happening
- 3.
What is the name for the energy stored in the bonds of molecules in gasoline?
A.Elastic potential energy
B.Chemical potential energy
C.Kinetic energy
D.Sound energy
- 4.
Which of these is a way to increase the kinetic energy of a rolling toy truck?
A.Paint it a different color
B.Push it so it moves faster
C.Lift it up onto a table
D.Let it sit still
- 5.
Which statement best describes energy transfer?
A.Energy changing from one type to another type.
B.Energy moving from one object to another object.
C.The creation of new energy from a fuel source.
D.The destruction of energy through friction.
- 6.
What type of energy is associated with the vibration of particles in a medium, such as air or water?
A.Sound energy
B.Nuclear energy
C.Chemical energy
D.Gravitational energy
- 7.
A ball is held 2 meters above the floor. If it is moved to a position 4 meters above the floor, its gravitational potential energy:
A.Decreases by half.
B.Stays the same.
C.Increases.
D.Becomes zero.
- 8.
Two identical springs are compressed. Spring A is compressed 2 cm and Spring B is compressed 4 cm. Which spring can do more work when released?
A.Spring A
B.Spring B
C.They can do the same amount of work.
D.Neither, as springs do not perform work.
- 9.
An electric fan is turned on. The blades spin and a humming sound is heard. The motor also feels warm. What is the 'useful' energy output in this system?
A.Thermal energy
B.Sound energy
C.Kinetic energy
D.Electrical energy
- 10.
A skater enters a 'U-shaped' half-pipe. If they start at the top of one side, they cannot reach the top of the other side unless they 'pump' their legs. Why?
A.Gravity pulls harder on the second side.
B.Energy is lost to the surroundings as heat and sound due to friction.
C.Their mass increases as they move faster at the bottom.
D.Potential energy only works in one direction.
Download the worksheet for Energy Forms and Transfers - Kinetic and Potential Energy to practice offline. It includes additional chapter-level practice questions.
Renewable and Non-renewable Energy Sources
SubtopicRenewable and Non-renewable Energy Sources under Energy Forms and Transfers for Grade 6 IB.
Preview questions (no answers)
- 1.
Which of the following is the best example of kinetic energy?
A.A book on a desk
B.A sleeping dog
C.A flowing river
D.A charged battery
- 2.
When an electric motor turns a wheel, what is the energy transformation?
A.Sound to Thermal
B.Electrical to Kinetic
C.Kinetic to Light
D.Chemical to Nuclear
- 3.
Which of these is a non-renewable resource used in nuclear power plants?
A.Wood
B.Uranium
C.Water
D.Sunlight
- 4.
What kind of energy does a person have while standing still on top of a diving board?
A.Kinetic energy
B.Gravitational potential energy
C.Sound energy
D.Light energy
- 5.
When a candle burns, what are the primary energy outputs?
A.Light and Thermal energy
B.Kinetic and Sound energy
C.Electrical and Nuclear energy
D.Gravitational and Elastic energy
- 6.
Which energy source depends on the radioactive decay of elements like Uranium?
A.Biomass
B.Geothermal
C.Nuclear
D.Solar
- 7.
How is 'energy' scientifically defined for a 6th-grade level?
A.The speed at which an object moves.
B.The ability to do work or cause change.
C.The amount of matter in an object.
D.The force that pulls objects toward the Earth.
- 8.
Which fuel source has the highest energy density (energy per unit mass)?
A.Wood
B.Coal
C.Uranium
D.Natural Gas
- 9.
Which of these energy transformations is efficient?
A.Electric heater converting electricity to thermal energy.
B.A solar panel converting sunlight to electricity.
C.A wind turbine converting wind to electricity.
D.No energy transformation is efficient in practice due to the Second Law of Thermodynamics.
- 10.
What is the function of a 'transformer' in the electrical grid regarding energy transfer?
A.It changes electricity into gasoline for storage.
B.It increases or decreases the voltage to reduce energy loss during long-distance transmission.
C.It transforms renewable energy into non-renewable energy.
D.It cleans the carbon dioxide out of the electricity.
Download the worksheet for Energy Forms and Transfers - Renewable and Non-renewable Energy Sources to practice offline. It includes additional chapter-level practice questions.
Law of Conservation of Energy
SubtopicLaw of Conservation of Energy under Energy Forms and Transfers for Grade 6 IB.
Preview questions (no answers)
- 1.
In a steam engine, heat from burning coal is used to boil water. The steam then moves a piston. What is the final energy transformation described?
A.Thermal energy to kinetic energy
B.Kinetic energy to chemical energy
C.Sound energy to light energy
D.Potential energy to electrical energy
- 2.
When a person jumps on a trampoline, their kinetic energy is momentarily transformed into what type of energy as the trampoline stretches?
A.Chemical potential energy
B.Elastic potential energy
C.Nuclear energy
D.Sound energy
- 3.
What type of energy is released during the fission or fusion of atoms?
A.Chemical energy
B.Nuclear energy
C.Elastic energy
D.Sound energy
- 4.
Which of the following has the most gravitational potential energy?
A.A kg book on the floor
B.A kg book on a table
C.A kg book on a high shelf
D.A kg book buried in the ground
- 5.
When a car burns gasoline to move, most of the energy is actually 'wasted' as heat. In what part of the car is this heat primarily produced?
A.The tires
B.The engine
C.The steering wheel
D.The headlights
- 6.
What happens to the total energy of a closed system if the amount of 'useful' energy decreases during a transformation?
A.The total energy decreases.
B.The total energy increases.
C.The total energy stays the same.
D.The total energy becomes zero.
- 7.
A weightlifter lifts a heavy barbell above her head and holds it there. While the barbell is held still in the air, it has:
A.No energy at all
B.High kinetic energy
C.High gravitational potential energy
D.High elastic potential energy
- 8.
During the process of a 'collision' between two billiard balls, some of the kinetic energy is converted into sound. This means the collision is:
A.In violation of the Law of Conservation of Energy.
B.An example of energy being destroyed.
C.An example of energy transformation where total energy is still conserved.
D.Evidence that sound has no energy.
- 9.
A student leaves a hot cup of tea on a table. After 30 minutes, the tea is at room temperature. What happened to the energy?
A.The energy was destroyed as the molecules slowed down.
B.The thermal energy was transferred to the surrounding air and table.
C.The energy was transformed into chemical potential energy.
D.The Law of Conservation does not apply to cooling objects.
- 10.
Why does a compass needle move when placed near a wire with an electric current? Which energy transformation is occurring?
A.Electrical energy Magnetic energy Kinetic energy
B.Magnetic energy Chemical energy Thermal energy
C.Kinetic energy Electrical energy Sound
D.Potential energy Nuclear energy Kinetic energy
Download the worksheet for Energy Forms and Transfers - Law of Conservation of Energy to practice offline. It includes additional chapter-level practice questions.
Heat Transfer (Conduction, Convection, Radiation)
SubtopicHeat Transfer (Conduction, Convection, Radiation) under Energy Forms and Transfers for Grade 6 IB.
Preview questions (no answers)
- 1.
Which of these is the best description of thermal energy?
A.The total kinetic energy of the particles in an object
B.The speed at which an object is moving through the air
C.The weight of an object when it is hot
D.The ability of an object to reflect light
- 2.
Why is it harder to heat a room with a very high ceiling?
A.Radiation cannot reach the floor
B.Warm air rises to the top, leaving the floor cold
C.Conduction is slower in tall rooms
D.There is no air at the top of the room
- 3.
Which form of energy is transferred due to a difference in temperature?
A.Chemical energy
B.Sound energy
C.Heat energy
D.Nuclear energy
- 4.
What happens when you place a room-temperature metal spoon into a hot bowl of soup?
A.The spoon stays at room temperature
B.Heat flows from the spoon to the soup
C.Heat flows from the soup to the spoon
D.The soup becomes much hotter
- 5.
The Earth's mantle consists of rock that behaves like a very thick fluid over long periods of time. Thermal energy from the core (approximately ) causes this rock to circulate in a continuous pattern. Based on the movement shown in the diagram, which heat transfer process is responsible for this cycle?
A.Radiation
B.Conduction
C.Convection
D.Subduction
- 6.
Which of these processes is responsible for the formation of wind in the atmosphere?
A.Conduction
B.Convection
C.Radiation
D.Magnetism
- 7.
Why do the handles of some frying pans have a hollow center?
A.To make the pan lighter
B.To trap air which is a poor conductor of heat
C.To allow hot air to rise through the handle
D.To increase the surface area for radiation
- 8.
If you wrap a cold soda can in a wet paper towel, it cools down faster in a breeze than a dry can. Which combination of processes is occurring?
A.Conduction from the air and radiation from the sun.
B.Evaporative cooling (latent heat transfer) and forced convection by the breeze.
C.Radiation of coldness from the water into the soda.
D.The paper towel acts as a perfect insulator against the hot air.
- 9.
An iron skillet is heated on a stove. Why does the entire skillet, including the handle, eventually become hot?
A.The air around the skillet heats the handle by convection.
B.Thermal energy is transferred from atom to atom through the metal via conduction.
C.The stove radiates heat directly into the handle.
D.The handle is made of a different material that generates its own heat.
- 10.
Why do hot air balloons rise in the atmosphere?
A.The heater conducts energy directly to the clouds, pulling the balloon up.
B.The hot air inside the balloon is less dense than the surrounding cool air, creating an upward buoyant force (convection principle).
C.Radiation from the flame pushes against the top of the balloon.
D.The fabric of the balloon becomes lighter when it is hot.
Download the worksheet for Energy Forms and Transfers - Heat Transfer (Conduction, Convection, Radiation) to practice offline. It includes additional chapter-level practice questions.