Name ______________________________ Class ___________________ Date __________________
Name ______________________________ Period___________________ Date__________________
Skills Worksheet
3.1 Matter and Energy Concept Review
1. Identify each of the following as a gas, liquid, solid, or plasma.
_____________________ a. The particles are closely packed together.
_____________________ b. The particles are in a constant state of motion.
_____________________ c. The particles are locked in fixed positions.
_____________________ d. The particles are broken apart.
2. Apply the kinetic theory to describe the motion of particles in a homogeneous
mixture of sugar and water as it is boiled.
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3. Compare and contrast the average kinetic energy of 0.5 L of coffee at 34°C,
0.5 L of coffee at 38°C, and 0.25 L of tea at 43°C.
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4. Compare the thermal energy of 0.5 L of coffee at 38°C and 0.25 L of coffee at
38°C.
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5. Compare and contrast the shape and volume of water as it changes state:
a. A 6 cm3 piece of ice is placed in a beaker.
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b. The beaker is heated to more than 0°C and the ice melts in the beaker.
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c. The liquid water is heated to above 100°C and eventually evaporates.
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Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science Spectrum
20
States of Matter
Name ______________________________ Class ___________________ Date __________________
In the space provided, write the letter of the term or phrase that best completes
each statement or best answers each question.
_____ 1. According to the kinetic theory of matter, which of the following
statements is true about matter?
a. The atoms and molecules of a substance are always in motion.
b. The higher the temperature of a substance, the faster its particles
move.
c. More massive particles move more slowly than less massive
particles.
d. All of the above
_____ 2. The measure of the average kinetic energy of the particles in an object
is called
a. plasma.
c. thermal energy.
b. kinetic temperature.
d. particle energy.
_____ 3. All matter is made of atoms and molecules that are
a. always fixed in position.
b. always in motion.
c. moving in the same direction.
d. moving slowly.
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science Spectrum
21
States of Matter
Name ______________________________ Class __________________ Date __________________
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science Spectrum
22
States of Matter