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Worksheetswhat happens when fuel burns
Total questions: 10
Worksheet time: 2mins
what happens when fuel burns?
it smokes
it disappears
Fuels release energy when they burn.
what is fuel used for in common things?
cement
run cars and buses, heat homes, and cook food
roofs
but after you drive for a while, the tank is empty and you need to fill it up again. What happened to the gasoline? Where did it go?
in the air
it turned into a gas and went in to the atmosphere
it changed phases
All of the above
what are we doing when we burn something
phase change
causing a chemical reaction.
doing stuff
texting
Scientists began to wonder about this question back in the 1700s.
why did we come up with science
Can a chemical reaction cause something to change into nothing
when did we come
why are we even here
what is mass a measure of
width
Mass is a measure of how much matter makes up an object
height
length
So what does the Law of Conservation of Matter have to do with burning gasoline?
It means that even though your gas tank is empty, the atoms tht formed the gasoline must still exist somewhere in some form.
It means that even though your gas tank is empty, the atoms that formed the gasoline must still exist somewhere in some form.
It means that even though your gas tank is empty, the atoms that formed the gsoline must still exist somewhere in some form.
All of the above
what is ethanol made of on the atomic level
two carbon atoms, six hydrogen atoms, and one oxygen atom
two carbon atoms, six hydrogen atoms, and one oxygen atom
two carbon atoms, six hydrogen atoms, and one oxygen atom
two carbon atoms, six hydrogen atoms, and one oxygen atom
when both gas and hydrogen are burned can they power cars and vehicles
yes
no
maybe
yes
is powering cars with hydrogen cheap
yes
no
maybe
no.
