Water drops that fall on a smooth surface tend to form rounded drops or beads. Then, if you touch a piece of paper to the drop, water appears to move up into the paper on its own. Identify and describe the properties of water that explain this phenomenon.

Surface tension

Capillary action

Explanation:

Surface tension is the force acting along the surface of the liquid causing the liquid surface to behave like a stretched elastic skin. Surface tension causes the water drops that fall on a smooth surface to form rounded drops or beads.

If you touch a piece of paper to the drop, water appears to move up into the paper on its own due to capillarity. Capillarity is the tendency of a liquid to rise or fall in a narrow tube.

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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