What in animals, plants and decomposers releases carbon into the air as carbon dioxide gas?
Respiration
3 of 20
What is the process of burning fossil fuels called?
Combustion
4 of 20
Dead organisms that are not broken down by decompsers may eventually form what?
Fossil fuels
5 of 20
What is the definition of a drug?
A chemical that affects the central nervous system.
6 of 20
What is the definition of addiction?
When a persons becomes dependant on taking a drug and feels they cannot function with out it.
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Give an example of a painkiller?
Morphine
8 of 20
Give an example of a stimulant?
Caffeine
9 of 20
What damage is caused by smoking?
Carbon monoxide reduces the amount of oxygen blood can carry, nicotine is addictive and chemicals
10 of 20
What effect does a painkiller have?
It blocks the nerve impulses from pain receptors, so you dont feel as much pain.
11 of 20
What effect does a stimulant have?
Makes you feel more awake and enegetic, decreases reaction time
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What effect does a depressant have?
It makes you feel tired and slows the activity of the brain, and increases your reaction time (takes longer to react)
13 of 20
What effect does a hallucinogen have?
Changes perception, makes colours seem brighter, makes it hard to distinguish between what is real and not real.
14 of 20
What damage is done by smoking?
Carbon monoxide reduces the amount of oxygen blood can carry, nicotine is addicitve, and chemicals in tar are carcinogens which can cause cancer such as mouth and lung.
15 of 20
What are the short term effects of alcohol?
Blurred vision, slow reactions and more risk taking.
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What are the long term effects of alcohol?
Brain damage, liver cirrhosis
17 of 20
What are the indicators of air pollution?
Black spots and lichin
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What are indicators of water pollution?
Blood worms and sludge worms
19 of 20
Definition
Re-using a material that has been used previously
20 of 20
Other cards in this set
Card 2
Front
What is carbon inside organisms?
Back
Complex carbon compounds
Card 3
Front
What in animals, plants and decomposers releases carbon into the air as carbon dioxide gas?
Back
Card 4
Front
What is the process of burning fossil fuels called?
Back
Card 5
Front
Dead organisms that are not broken down by decompsers may eventually form what?
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