Learning Task 4. Direction: Write the letter of the correct answer on the space provided.
1. Which of the following statements best describes the particle in a gas?
a. They are moving very fast and are far apart. c. They are stationary and not able to vibrate.
b. They are very close together and are able to vibrated they are moving very slow and are far apart.
2. Which statement explains why solids have definite shape and definite volume?
a. The particles are held at fixed points and can only vibrate with respect to a point.
b. The particles are held strong intermolecular forces which keep them in place.
c. The kinetic energy of the particles is not sufficient to overcome the intermolecular forces.
d. All of the above.
3. The three phases of matter differ because of the arrangement and motion of particles in each
state. Which of the following features the particle model of the atom.?
1. Matter is made up of larger particles
II. Particles of matter are moving all the time
III. There are spaces between the particles
IV. Particles of matter attract each other
a.J only
b. Il only
c. I, II, III
d. 11, NII, IV
4. Which of the following statements describes the motion of the particles of liquids?
a. Particles move but in fixed position.
b. Particles vibrate a little in fixed position,
c. Particles move freely and fill all the available space in the container.
d. Particles move and change position but not as freely as those in gas,
5. Particles of three states of matter differ in movements and arrangements. How will you illustrate
the arrangement of particles in liquids?
b.
d.
a.
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