i need answers to all of the questions thanks 1 a positively charged glass rod is held to touch

1. c) is positively charged. When a positively charged rod touches a neutral sphere, it transfer

Question

1. A positively charged glass rod is held to touch a neutral sphere. After the glass rod is removed, the sphere * a) remains neutral. b) is negatively charged. c) is positively charged. d) could be either positively or negatively charged, depending on how long the contact with ground lasted. 2. An object can acquire an electrical charge by * a) radiation, convection, or friction. b) induction, convection, or radiation. c) contact, induction, or convection. d) friction, contact, or induction. e) contact, friction, or convection. 3. Liquids their volume with higher temperature due to . * a) increase; decreased crystal structure b) increase; less molecular motion c) decrease; greater molecular motion d) decrease; less molecular motion e) increase; greater molecular motion 4. Water has a higher specific heat capacity than aluminum. This means that * a) water boils at a higher temperature than aluminum. b) water is hotter than aluminum. c) water heats more rapidly than aluminum. d) water heats more slowly than aluminum. e) water is more dense than aluminum. 5. If a flat metal plate with a circular hole cut through it is heated, * a) the hole gets smaller. b) the hole may get larger or smaller, depending on how much the plate is heated. c) the hole may get larger or smaller, depending on the material of the plate. d) the hole gets larger. e) the hole stays exactly the same size. 6. When a vapor condenses * a) The temperature of the substance increases b) The temperature of the substance decreases c) Heat energy leaves the substance d) Heat energy enters the substance 7. Electric field lines near negative point charges * a) circle clockwise. b) circle counter-clockwise. c) radiate inward. d) radiate outward. 8. Which of these is an example of heat transfer by radiation? * a) The handle of a metal spoon becomes hot when you use it to stir a pot of soup on the stove. b) You feel the cold bathroom floor with your bare feet. c) The sun warms the earth. d) Smoke rises up a chimney. e) The air near the ceiling is normally warmer than air near the floor.

          1. A positively charged glass rod is held to touch a neutral
sphere. After the glass rod is removed, the sphere *
a) remains neutral.
b) is negatively charged.
c) is positively charged.
d) could be either positively or negatively charged, depending
on how long the contact with ground lasted.
2. An object can acquire an electrical charge by *
a) radiation, convection, or friction.
b) induction, convection, or radiation.
c) contact, induction, or convection.
d) friction, contact, or induction.
e) contact, friction, or convection.
3. Liquids ____ their volume with higher temperature due to
____. *
a) increase; decreased crystal structure
b) increase; less molecular motion
c) decrease; greater molecular motion
d) decrease; less molecular motion
e) increase; greater molecular motion
4. Water has a higher specific heat capacity than aluminum. This
means that *
a) water boils at a higher temperature than aluminum.
b) water is hotter than aluminum.
c) water heats more rapidly than aluminum.
d) water heats more slowly than aluminum.
e) water is more dense than aluminum.
5. If a flat metal plate with a circular hole cut through it is
heated, *
a) the hole gets smaller.
b) the hole may get larger or smaller, depending on how much the
plate is heated.
c) the hole may get larger or smaller, depending on the material
of the plate.
d) the hole gets larger.
e) the hole stays exactly the same size.
6. When a vapor condenses *
a) The temperature of the substance increases
b) The temperature of the substance decreases
c) Heat energy leaves the substance
d) Heat energy enters the substance
7. Electric field lines near negative point charges *
a) circle clockwise.
b) circle counter-clockwise.
c) radiate inward.
d) radiate outward.
8. Which of these is an example of heat transfer by
radiation? *
a) The handle of a metal spoon becomes hot when you use it to
stir a pot of soup on the stove.
b) You feel the cold bathroom floor with your bare feet.
c) The sun warms the earth.
d) Smoke rises up a chimney.
e) The air near the ceiling is normally warmer than air near the
floor.

Added by James A.

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