Water cycle and carbon cycle
Carbon cycle 2
Nitrogen cycle 1
Nitrogen cycle 2
science wild card
100
What is the chemical formula for water?
H2O
100
What is the equation for respiration?
C6H12O6 + 6O2 }}}}} 6H2O + 6CO2
100
What is the chemical formula for Nitrogen?
N
100
What is the chemical formula for Nitrate which is the form of nitrogen that plants and animals can take up? NH4+ or NO2- or NO3- ?
NO3-
100
Where does photosynthesis take place in a plant cell?
Chloroplasts
200
Name three forms of precipitation.
Rain, snow, sleet, hail
200
What is the equation for photosynthesis?
6CO2 + 6H2O }}}}} C6H12O6 + 6O2
200
Name two structures that Nitrogen is found in within organisms
Amino acids (proteins) Nucleic acids (DNA)
200
By what process does Nitrogen enter animals?
Feeding or eating (of plants)
200
How far away is the sun in miles?
93 million miles
300
Name the 3 main water states of the water cycle
Precipitation Evaporation Condensation
300
Name the two decomposers
Bacteria Fungi
300
Name three water reservoirs on the earth for Nitrogen stores>
Oceans Ground water Surface water Rainwater
300
How long ago (to the nearest billion years) was Big Bang?
13.5 billion years ago?
400
Where does the earth get it's new carbon from?
It doesn't!
400
What is a fossil fuel?
Answer must have: Animal or plant remains (or both) Compressed over a long period of time (millions of years)
400
Name two ways that Nitrogen can make its way from the atmosphere into the soil?
1) Lightening 2) Nitrogen fixing bacteria 3) Man made fertiliser processes
400
Which is the name given to bacteria that covert ammonium ions (NH4+) into atmospheric nitrogen (N2)?
Denitrifying
400
Name two of the three types of organism that cause disease?
Bacteria, Virus, Fungi We call these disease making organisms PATHOGENS
500
name all four carbon cycle stages
Decomposition Combustion Photosynthesis Respiration
500
What would happen if we cut down too many trees?
Carbon dioxide levels would increase as trees are not absorbing CO2 during their photosynthesis
500
An amino acid has an 'Amine' group at one end of it. What is the formula for an Amine group?
- NH2
500
What name is given to bacteria that convert Ammonium ions (NH4+) into Nitrite ions (NO2-)?
Nitrifying bacteria
500
How many cells are there in your body? (Closest team gets the points)
Around: 10, 000, 000, 000, 000 (10 trillion) (10,000 billion)
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