FOR ALL CP1
DO THIS WORKSHEET AS YOUR HW, DO IT IN YOUR EXERCISE BOOK.
UNDERLINE YOUR ANSWER IN PART A WITH RED PEN.
SUBMIT IT ON MONDAY, OCTOBER 27 ON MR. MARKUS DESK.
GBU
A. Fill in the blank with correct word by choosing the
following words: [17]
FAST MOBILE SLIDE CONSTANLY IDENTICAL
CHANGED FIXED SIZES PARTICLES SMALL VIBRATE SOLIDS STRONGER SPEEDS VAPOR LIQUID WEAKER SPACES
CLOSER DIFFERENT GAS
- All matter consists of _________ particles. A single drop of water contains more than 30 million _______________ of water.
- All particles of one substance are identical. Particles of different substances are__________
- The ______________ between the particles are very large, compared to the particle ____________.
- A single drop of water can be ____________ to water vapor that occupies a volume 1700 x greater.
- The particles in matter are attracted to each other with _____________ or ________________ forces. The ______________ the particles the stronger the attractive forces.
- Attractive forces are much stronger in solid than in __________ or ____________since particles are much closer together.
- All particles of matter are _____________ in motion.
- Particles in solid _____________ in ____________ positions.
- Liquid particles exist in clumps that can ______________ or roll by each other.
- Particles of gas are very ___________ moving. Air particles travel at ___________ of around 45 m/s.
B. Answer Briefly...
1. Name the physical changing below, and state the process involved whether absorb heat (gain heat) or release heat (heat is out)
a. freezing
b. melting
c. condensing
d. vaporisation
2. When
you take ablock of butter out the fridge, it is quite hard. However, after 15
minutes it is soft enough to spread. Explain.
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