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Worksheets9th Grade Quiz
Total questions: 9
Worksheet time: 30mins
Surface tension is the property of water in which...
water molecules at the surface tend to stick together.
water spills easily.
water tends to be see-through.
Describe COHESION.
Water molecules attracted to other substances.
Water molecules climbing upwards against the force of gravity.
Water molecules dissolving many substances because of its polarity.
Water molecules attracted to other water molecules.
Why the water color walking up at the paper towels?
Because the water color attract the paper towels
Because capilary action
Because paper towels and water can mix together
because food coloring very special
1. An object moves from point A to point B in 1hour then moves to point C in 1 hour, then back to point B in 1 hour and then to point A in 3 hours along the line shown in the figure below.
a) Find the distance covered by the moving object(x).
b) Find the magnitude of the displacement of the object(∆x).
c) Find average speed of the object (Vave).
d) Find average velocity of the object (Vave).
