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WorksheetsReview of Matter and Energy
Total questions: 10
Worksheet time: 5mins
Which statement best describes why ice cubes will melt in a glass ot tea?
The tea becomes saturated.
The ice cubes gain energy.
The tea's freezing point increases.
The ice cube's melting point decreases.
When heat energy is added to water in a pan on a stove, what changes occur to the water?
Particles move faster and temperature increases.
Particles move slower and temperature increases.
Particles move faster and temperature decreases.
Particles move slower and temperature decreases.
What type of particles have the LEAST amount of kinetic energy?
ice particles
air particles
skin particles
liquid water particles
What statement BEST describes a gas?
gas particles are close together but can slide past one another
gas particles have large distances between them and move freely
gas particles are close together but move freely
gas particles have no space between them and do not move
Which is needed for both boiling and melting to occur?
solids
gases
heat
pressure
If ice cubes are melting in the freezer, what is the likely cause?
decrease in the mass of the ice cubes
increase in the mass of the ice cubes
decrease in the temperature inside of the freezer
increase in the temperature inside of the freezer
Which is an example of an object changing its state of matter due to COOLING?
ocean water evaporating on a sunny day
water droplets forming on a bathroom mirrow
raindrops forming a rainbow after a thunderstorm
an ice cube becoming a puddle of water from blowing wind
The wax on a candle turns from a solid to liquid once the candle is lit. What happens first fo cause this solid to liquid phase change?
Heat from the flame increases the potential energy of the wax molecules
Heat from the flame increases the kinetic energy of the wax molecules
Heat from the flame breaks the bonds in the wax molecules
Heat from the flame fuses the wax atoms into molecules
A pan of water is on the stove and the water is heated. What happens to some of the water at this point?
It becomes a gas
It becomes a solid
It gets new atomic bonds
It gets destroyed
Which state of matter has molecules arranged in the MOST orderly way?
liquid
gas
solid
plasma
