Q.1
Which of the following is true of the particles of a liquid?
  • The particles of a liquid do not move
  • They move very fast, much faster than the particles of a gas
  • They are more tightly-packed than the particles of a solid
  • They are not as tightly packed as a solid's particles, but do not move as freely as those of a gas
Q.2
Increasing the temperature causes particles to gain what?
  • Speed
  • Energy
  • Mass
  • Speed and energy
Q.3
Particles in which state of matter are tightly packed?
  • Solid
  • Liquid
  • Gas
  • All of the above
Q.4
Lowering the temperature of a substance causes its particles to do what?
  • Speed up
  • Maintain the same speed
  • Slow down
  • Stop moving
Q.5
Sound waves can cause which of these to vibrate?
  • Particles of a solid
  • Particles of a liquid
  • Particles of a gas
  • All of the above
Q.6
Sound waves travel fastest through which material?
  • Solids
  • Liquids
  • Gases
  • Sound waves don't change their speed
Q.7
What are light particles known as?
  • Molecules
  • Electrons
  • Photons
  • Neutrons
Q.8
What takes place when particles gain enough energy to escape the surface of a liquid?
  • Condensation
  • Evaporation
  • Freezing
  • Melting
Q.9
A vibrating object causes air particles to vibrate. These air particles cause other air particles to vibrate, which cause more air particles to vibrate.  What is this movement of energy called?
  • Sound waves
  • Gravity
  • Force
  • Tidal waves
Q.10
Which state of matter has particles which move very fast?
  • Solid
  • Liquid
  • Gas
  • Solids and liquids
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