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Answers to AQA GCSE Real Life Energy Transfers(Physics)

Answers to Practice Questions

Draw energy transfer diagrams for the following situations (see the link below for answers).

1.A woman holding a hot water bottle close to her body in order to stay warm during the winter.

Energy transfer diagram, showing energy being transferred by heating
2.Using two hands to stretch an elastic band
Energy transfer diagram showing chemical potential energy being converted mechanically into elastic energy store
3. Cooking sausages under an electric grill
Energy transfer diagram showing energy being transferred by radiation
4.Battery operated electric motor that spins.
Energy transfer diagram, showing energy being transferred electrically

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physics worksheet

Energy stores and systems notes and questions

Real life energy transfers

Kinetic energy

Gravitational potential energy

Elastic Potential energy

Changes in energy, Specific heat capacity

Power

Conservation of Energy

Work done

Conduction

Wasted energy transfers

Efficiency

Energy Resources

Wind and Solar

Coal, Oil and Natural Gas

Nuclear Power

Biofuels

Hydroelectric, Wave and Tidal

Circuit Symbols

Electric Current and Charge

Potential difference, Current and Resistance

Resistors

Thermistors and Light Dependent Resistors

Series Circuit

Parallel Circuits

Series Circuit Calculations

Parallel Circuit Calculations

Alternating and Direct Electrical Circuits

Mains Electricity

Earth wire

Fuses

Electrical Power

Energy Transfer in Circuits

Power of Appliances

National Grid

Static Charge

Static Electricity

Static Electricity and Forces

Static Electricity and Sparking

Electric Fields

Electric Fields and Objects

Density

Measuring Density

States of Matter

Changes of state

Internal Energy

Specific Heat Capacity

Latent Heat

Specific Latent Heat

Heating and Cooling Curves

Specific heat capacity compared to Specific latent heat

Motion of gas particles 

Gas Pressure and Volume

Doing work on gases

Structure of the Atom

Absorption and Emission of EM Radiation

Mass Number and Atomic Number

Isotopes

Ionisation

JJ Thomson and Plum pudding model

Ernest Rutherford and the Nuclear Model

Niels Bohr changing the Nuclear Model

Discovering the Proton and Neutron

Radioactive Decay

Measuring radiation from radioactivity

Radiation types and properties

Random nature of radioactive decay

Half life

Half life calculations

Radioactive contamination or irradiation

Hazards of contamination and irradiation

Studies on the effects of radiation on humans

Background Radiation

Different half lives of radioactive isotopes

Uses of nuclear radiation

Nuclear Fission

Nuclear Fission Chain Reaction

Writing nuclear fission equations

Drawing and interpreting nuclear fission diagrams

Nuclear Fusion

Scalar and Vector Quantities

Contact and Non Contact Forces

Describing interactions of forces and objects

Gravity

Measuring Weight

Calculating Weight

Resultant Forces

Free body diagrams

Free body diagrams part 2

Resolving Forces

Forces and Equilibrium

Finding the resultant force, using the parallelogram rule

Finding the resultant force, using the parallelogram rule part 2

Work done and Forces

Forces and Elasticity

Hooke’s Law

Calculating Spring Constant

Using Force-extension graphs

Linear and Non linear force extension graphs

Work done and elastic potential energy

 

Introduction to moments

Levers

Balancing Moments

Balancing Moments made more complex

Gears

Gears and Moments

Pressure acting on a surface

Pressure at the surface of a fluid

Pressure due to a column of liquid

Explaining pressure in a column of liquid

Upthrust

Atmospheric Pressure

Distance and Displacement

Speed

Calculating Speed

Velocity

Distance-time graphs

Acceleration

Velocity time graphs and acceleration

Velocity time graphs and acceleration curved lines

Velocity time graphs and calculating acceleration

Velocity time graphs and distance travelled

Equation of Motion

Falling Objects

Terminal Velocity

Newton’s 1st Law

Newton’s 2nd Law

Newton’s 3rd law

Stopping distances

Reaction time

Braking distance

Momentum

Conservation of Momentum

Types of Collisions

Changes to Momentum

Designing Safety Features

Transverse Waves

Longitudinal Waves

Comparing Transverse and Longitudinal waves

Evidence for Waves

Characteristics of Waves

Measuring the speed of sound in air

Measuring the speed of ripples on the surface of the water

Changes to Sound Waves

Reflection of Waves

Reflection, Transmission and Absorption of Waves

Sound Waves

Sound Waves and the Ear

Using Waves to explore structures

Using Ultrasound Waves for medicine

Using Ultrasound for industrial imaging

Seismic Waves

Using Echo sounding

Introduction to Electromagnetic Waves

Electromagnetic Waves Transferring Energy

Electromagnetic waves interacting with matter

Building ray diagrams for refraction

Using wave front diagrams to explain refraction

Radio waves and oscillations

Changes to atoms and electromagnetic waves

Harmful Electromagnetic Waves

Uses for Electromagnetic waves

Lenses

Power of Lenses

Real and Virtual images

Drawing ray diagrams for a concave lens

Drawing Ray Diagram to produce a virtual image for a convex lens

Drawing ray diagram to produce a real image for a convex lens.

Magnification and lenses

Visible Light

Specular and Diffuse Reflection

Colours of White Light

Coloured Filters

Seeing Coloured Objects

Seeing Coloured Objects Part 2

Viewing objects through coloured filters

Transparent, Translucent and Opaque

Understanding Black body radiation

Perfect Black Body

Temperature of Bodies

Temperature of the Earth

Magnets

Magnetic Fields

The magnetic field of the Earth

Showing Magnetic Fields

Magnetic Field around a wire

Solenoids

Electromagnets

Electromagnetic Circuit diagrams

The Motor Effect

Fleming’s Left Hand Rule

Magnetic Calculations

Electric Motors

Loudspeaker

The Generator Effect

Lenz’s Law

Alternators

Dynamos

Microphones

Transformers

Calculations for Transformers part 1

Calculations for Transformers part 2

Reasons for using a transformer

The Solar System

Life cycle of a star

Fusion reactions in stars

Planets, Moons and Satellites

Orbits

Red Shift

Big bang

Dark mass and Dark energy

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