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Do the diver and astronaut need air to breath?
Yes, of course!
The moving air is called as
wind
what we need if we want to blow the balloon
air
where are the smoke and dust come from?
cars and factories
mention 3 activities which able to keep the air clean?
walk/ ride bike, take the bus, plant more trees
what are the characteristics of water
no colour, no smell, no taste
does the steam have shape?
No, it does not have
what will happen if the water mix with sugar
the sugar will disappear
what happen if the oil mix with the water
the oil will float
what will happen if water mix with syrup
the water's color change
