Air, Water and Land
We put on our "Scientist Caps" and have been doing experiments learning the differences in Air, Water and Land. Air I cannot see air. Is it really there? The air in the bottle pushes on the water keeping the water from going in the bottle. The air in the balloon has weight. It is heavy and moves the scale down. Ice water makes the air cold and the slow moving molecules do not inflate the balloon. Hot water heats up the air making it rise up and fills the balloon. If we suck the air out of the cup it sticks to our faces. Water We learned that water is more than 70% of the earth's surface, within five oceans. https://www.youtube.com/watch?v=9IAQTtXqcNA Sink and Float What is heavier than water? We predicted what items are heavier than water and would sink, or lighter than water and would float. ...
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