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This is the molecule of water - H2O.
A rock tumbler is a device to brake down large boulders into smaller gravel. It is a drum that rotates and often has divets or bumps to smash the larger rocks.
water is a polar molecule (meaning that it has a positive and negative charge.) In otherwords, they stick to eachother. much like how you can hold a magnet up by holding it with another magnet.
The drop of water acts like a magnifying glass. It would be a similar shape to one, while the water (having a different refractive index) will slow light down and distort it in the same way as the glass would.
The speed of light is different in different substances ... air, water, glass, jello, etc.
when a man push the tumbler up side down than the air is blocked inside it and than the air preasure becomes so high in the tumbler and then the air preasure of outside is lower than the inside and than theair preasure inside the tumbler push the tumbler up.
freez the water. after freezing it will be ice then you can turn a glass of water upside down without spilling the water.
This is the molecule of water - H2O.
When filling a cup/glass with full water the card/lid will not stay up.
This because air is present inside the empty glass which does not let the water to enter theglass . Air also offers a force which is opposite the force of water and does not let the water to enter the glass.
Evaporation.
because it's in your mum
Cool it down, for example by using a piece of cold glass
The moisture in the warm air collects on the cold glass. When enough moisture collects, it forms beads of water that run down the side of the glass.
Put salty water into a pot, hold a mirror/glass over it, boil the water, and the water will steam up and drill down the glass, and the salt with still be in the pot xx
A rock tumbler is a device to brake down large boulders into smaller gravel. It is a drum that rotates and often has divets or bumps to smash the larger rocks.
Water from the air condensates on the glass cup. Because the air is cooling down, it can no longer hold as much humidity as it did (saturation).