This is a video that shows you how a under water volcano can erupt. In the small bottle is hot water with blue food coloring and in the jar is cold water .
Sunday, 20 May 2012
EVERY HOUSE SHOULD HAVE A BICYCLE.
Every day you turn on a light, put something in the oven or
even take a shower. All of this
seems to be everyday stuff, but do you realise how much power all of this
actually uses and what impact it has on the environment?
In New Zealand, our power is generated by: coal, gas,
geo-thermal, hydro and wind. All
of these things have an impact on the environment: from coal and gas putting Co2 into
the atmosphere, to hydro changing and affecting the ecology of rivers and lakes. Also, wind turbines look ugly on the
landscape.
The power that we consume might just tot up a number on the
bill, but actually it is a big amount of power that we are using. Lets say that your house is run by 70
cyclists, it would take about a quarter of them just to run your oven, 15 for
the jug and over half to run the shower.
So, if you do not want to be one of the cyclists, start saving power
now.
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