Lesson T1.3.2
T1.3.2 Describing energy changes in systems Quiz: KS3 Physics, Unit 1
20 questions
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Lesson T1.3.2, Describing energy changes in systems: 20 multiple choice questions for the KS3 Physics (National Curriculum), Unit 1: Energy, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
When describing a system change, what two conditions should you always compare?
- Start and end
- Speed and force
- Mass and weight
- Temperature and pressure
-
When a hot bath cools down in a room, which specific energy store decreases?
- Chemical store
- Thermal store
- Kinetic store
- Nuclear store
-
A ball is thrown straight up. At its highest point, which energy store is at its maximum?
- Kinetic store
- Chemical store
- Thermal store
- Gravitational potential store
-
When a toy car squashes a spring, which specific energy store increases?
- Chemical store
- Elastic potential store
- Magnetic store
- Gravitational store
-
As a battery-powered toy car speeds up across a room, which energy store of the battery decreases?
- Elastic store
- Nuclear store
- Chemical store
- Thermal store
-
What do intermediate processes like heating and forces show in an energy transfer?
- Created energy amount
- Total mass lost
- Final speed only
- How energy moves
-
A car rolls down a slope and stops due to friction. What are the final energy stores?
- Increased chemical stores
- Increased nuclear stores
- Increased thermal stores
- Increased gravitational stores
-
A pan of water is heated until it boils. Which energy store increases most?
- Chemical store
- Kinetic store
- Elastic store
- Thermal store
-
A stretched elastic band is released and flies across a room. Which energy store increases first?
- Gravitational store
- Thermal store
- Chemical store
- Kinetic store
-
An object slides down a slope and stops. What force transfers kinetic energy to thermal energy?
- Gravity
- Magnetism
- Tension
- Friction
-
A microwave heats a bowl of soup. Which energy store of the soup increases?
- Chemical store
- Elastic store
- Thermal store
- Magnetic store
-
A child is on a swing. At the very bottom of the swing, which energy store is largest?
- Gravitational store
- Chemical store
- Elastic store
- Kinetic store
-
A hot metal ball is dropped into cold water. Which energy store decreases the most?
- Magnetic store
- Chemical store
- Thermal store
- Elastic store
-
A cyclist brakes to a stop. Into which store is most of the kinetic energy transferred?
- Nuclear store
- Chemical store
- Thermal store
- Elastic store
-
A candle burns in a room. Which energy store in the candle wax decreases?
- Kinetic store
- Gravitational store
- Chemical store
- Thermal store
-
A 10 kg object falls from a height of 5 m. What change happens to its gravitational potential store?
- A decrease of 50 J
- A decrease of 500 J
- An increase of 500 J
- A decrease of 5000 J
-
What process transfers thermal energy through a solid object from hot to cold?
- Convection
- Radiation
- Conduction
- Evaporation
-
Which energy store decreases as a car accelerates from rest along a road?
- Thermal store
- Gravitational store
- Elastic store
- Chemical store
-
A stone is dropped from a bridge. As it falls, which energy store decreases?
- Chemical store
- Kinetic store
- Thermal store
- Gravitational store
-
An increase in the thermal store of the surroundings indicates what has happened?
- Energy transfer
- Energy creation
- Zero transfer
- Energy destruction
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