Fechar
The scientific name for heat energy is ________ energy
Heat travels through a solid by _______________
Heat travels through liquids through _________
Heat travels through space through ______________
Fluids are _________ and ___________
Metals have a higher thermal conductivity than non-metals this means they conduct heat ___________
Metals have a higher thermal conductivity because they have ________ __________
A coloured image showing heat leaving objects is called a ____________
The amount of energy it takes to heat up 1kg of a substance by 1*c is called ___________ ___________ _____________
Two examples of home instillation are _________ __________
Energy not being stored in useful ways is described as being _______ energy
The electromagnetic wave which carries thermal energy is called _________ ______________
Dark colours are good at ________ and _________ of Infra-Red
Shiny colours are good __________ of Infra-Red
A larger difference of temperature between an object and its surrounding will cause the object to cool ____________
Carbon Doixide is released from burning fossil fuels. It is an example of a ____________ ________
What energy resource comes from the sun
What are names of the three fossil fuels?
There are 2 ways of getting energy from water. Name 2 of them. ________ and ____________
Energy resources that will not run out are called __________ energy resources.
Energy resources which are used faster than they are created are called _____________ energy resources
Fossil fuels will produce Carbon dioxide which is a ______________
________
The energy source that uses hot rocks in the earth is called _______________ energy
Biofuels are _________ ____________ which means that extra carbon dioxide is released into the atmosphere.
Define what an ore is
What is the general equation for the reaction of a metal with oxygen
What type of reaction is characterised by the addition of oxygen or loss of electrons
What type of reaction is characterised by the removal of oxygen or the gain of electrons?
What ions do metals form
Name the type of reaction where a more reactive metal reacts with a less reactive metal compound?
What is the general equation for the reaction of a metal with water?
What element is used to extract less reactive such as carbon?
What gas is formed when carbon is used to extract metals?
Name 3 acids?
What metal is formed when a metal reacts with hydrochloric acid?
What salt is formed when a metal reacts with sulphuric acid?
What salt is formed when a metal reacts with nitric acid?
What gas is formed when a metal reacts with an acid?
What is the general equation for the reaction between a metal and an acid?
What were the three man gasses in the early atmosphere?
What is thought to have released into the atmosphere?
What was formed when the earth cooled?
Name three stores of Carbon?
What process in plants caused carbon dioxide levels to decrease in Earths early atmosphere?
What process in plants caused the oxygen levels to rise?
Describe a reaction that caused Nitrogen levels to rise
Name the three most prominent gases in the atmosphere?
What % is Nitrogen and Oxygen in the atmosphere?
Name the three main types of Greenhouse gasses?
What type of radiation is trapped by Greenhouse gasses?
Name two types of human activities that increase carbon dioxide levels?
Name two types of human activities that increase methane levels
State an effect of climate change
Describe on way of reducing your carbon footprint
