A piece of metal is?

[chozai65]

3. A piece of metal is
made up of atoms
a solid
a type of matter
all of the above

4. Chemical composition describes
the types of atoms that make up a sample of matter
the arrangement of atoms in a sample of matter
both of the above

5. A sample of matter is placed into glass jar. The matter takes the shape of the jar but does not fill the jar. The sample is in what state of matter?
solid
liquid
gas

6. Which of the following best describes a gas? (Points : 3)
can expand to fill its conta
has a rigid shape
has atoms that are very attracted to each other

7. Which of the following best describes plasma? (Points : 3)
the most abundant state of matter in the univer
is a special type of liquid
is not found on Earth

8. Which of the following states of matter has mass?
gas
plasma
both gas and plasma

9. A characteristic property is a property of matter that
changes slowly over time
does not change
cannot be known

10. Which equation correctly expresses the calculation of density?
D = MV
D = M + V
D = M/V

11. Which of the following is NOT a characteristic property of matter? (Points : 3)
density
solubility
size

12. Which of the following in a concept from the Kinetic Theory of Matter?
all matter is made of small particles called atoms
only certain types of matter are perpetually in motion
when objects are in motion their particles are not in motion
heat is based on the temperature of an object, not the particle’s motion

13. Different types of matter melt at different temperatures.
True
False

14. Near the surface of a liquid, fast-moving particles can break free and become a gas.
True
False

15. The process that converts a liquid to gas in melting.
True
False

16. Sublimation occurs when a solid changes directly to a gas without an intermediate liquid stage.
True
False

17. In a coal-fired power plant, after the steam has been used to turn the turbine to power the generator, it goes through a condenser. What’s happening in this process?
a phase change from a liquid to a gas
a phase change from gas to liquid
an energy change from kinetic energy to potential energy
an energy change from heat energy to kinetic energy

18. Choose the correct pairing between physical and chemical changes and examples of each.
physical change = cutting paper; chemical change = burning paper
physical change = burning paper; chemical change = cutting paper
physical change = potential energy; chemical change = kinetic energy
physical change = ice melting; chemical change = water freezing

19. A gas is at 5 Kelvin and 1 m3. The temperature is raised to 10 Kelvin. What is the new volume
2 m3
2 m
5 m

20. Charles’s Law relates which of the following gas properties?
temperature and volume
pressure and density
volume and pressure

21. If something has the ability to do work, it has energy.
True
False

22. Heat energy is:
the motion of the atoms that make up matter
the movement of electrons in a current
a special type of potential energy

23. When steam turns a turbine, what kind of energy is being manifest?
mechanical
sound
nuclear

24. When you throw a ball, the motion of the ball is an example of:
chemical energy
nuclear energy
mechanical energy

25. Which type of energy travels as waves through the air? (
chemical
electrical
sound

26. A ball is thrown into the air. At its maximum height, just before it falls back to the ground, all of its kinetic energy has been converted to potential energy.
True
False

27. Kinetic energy is the energy associated with an object’s motion.
True
False

28. Which of the following explains why the evaporation of water from your skin leaves your skin feeling cooler?
changing from a liquid to a gas releases heat
changing from a liquid to a gas requires absorption of heat energy
changing from a liquid to a gas releases potential energy
changing from a liquid to a gas is a physical phase change

29. Which of the following are fossil fuels?
Coal, oil, nuclear, natural gas
Coal, oil, natural gas
Wind, solar, geothermal energy
Coal, oil, geothermal

30. generator is a special device that converts chemical energy to mechanical energy.
True
False