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Science Exam (Oxygen (Blood turns red when it is shown to oxygen, Relights…
Science Exam
Oxygen
Blood turns red when it is shown to oxygen
Relights a glowing splint
Energy
Energy is the abilty to do work
A type of Energy is called chemical energy
The suns the earths primary source of energy
Carbon Cycle
Your body is made up of 20%carbon by mass
Carbon dioxide in the atmosphere insulates the earth and keeps in heat
Over the past 200 years the concentration of carbon dioxide has increased
Nitrogen Cycle
78% of the air is Nitrogen
Carbon Dioxide
Is also known as CO2
You inhale carbon dioxide
Rates Of Reaction
Energy dissipation is what happens when some of the energy is not useful
Matter
Anything that occupies space and has a mass
An example of recycling matter of carbon would be coal,oil etc
Global Warming
One cause of global warming is the huge increase in the burning of carbon
The irish government has introduced a carbon taxon fossil fuel to reduce global warming
Heat
Heat is a form of energy
The earth is heated by the sun
Water cycle
Water covers 70% of the earth
Heat from the sun causes the water to evaporate from the ocean
Formula for water is H2O
Transpiration In Plants
Transpiration in plants is shown when water evaporates from the leaves
Is a colourless odourless gas