Vocabulary: What unit is used to measure energy.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
thermal energy | arrow_right_alt | This law states that energy can change form or be transferred but it cannot be destroyed |
potential energy | arrow_right_alt | energy stored due to position in a gravitational field |
gravitational potential energy | arrow_right_alt | the energy an object has due to its motion |
chemical potential energy | arrow_right_alt | energy stored due to position or configuration |
kinetic energy | arrow_right_alt | energy in the form of heat |
Law of conservation of energy | arrow_right_alt | amount of chemical energy stored in a substance |
Suppose the initial kinetic energy and final potential energy in an experiment are both zero. What can you conclude?
What energy transformation occurs first when a compressed spring is released?
A rubber ball is dropped and bounces back up after striking the ground. After the ball is released, when do the highest levels of kinetic energy occur? When do the highest levels of potential energy occur?
The acceleration due to gravity on the moon is approximately 1.62 m/s . An astronaut shifts the position of a 3.00- kg rock from 1.200 m to 1.700 m above the moon's surface. What is the change in the rock's gravitational potential energy?
When the brakes are applied in a moving car, the car's kinetic energy
A student is building a model roller coaster. The car rolls down from a standing start at the top of the first hill, which is 2 m high. The car fails to make it up to the top of the second hill, which is 2.1 m high. Ignoring friction and air resistance, which is MOST LIKELY the source of the problem?
A pie is cooked in an oven. When the pie is left out on a countertop to cool, it will eventually reach a state of ________ with its surroundings.
Thermodynamics primarily involves the study of ________.
Which law of thermodynamics states that all processes stop at a temperature of absolute zero?
In an open system, which of the following can be exchanged with the surroundings?
In an isolated system, which of the following can be exchanged with the surroundings?
Entropy is best defined as
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
induction | arrow_right_alt | a set of lines that defines the motion of charged particles near each other |
electric field | arrow_right_alt | a set of forces due to stationary or moving electric charges |
magnetic field | arrow_right_alt | describes generating an electric current when a bar magnet is moved into or out of a wire coil |
photoelectric effect | arrow_right_alt | a set of lines that defines the motion of charged particles near a magnet |
electromagnetism | arrow_right_alt | current flowing through a substance when light hits its surface, due to electrons in the surface absorbing the light's energy and breaking free |
A measure of the electrical potential difference between two points is defined as
When electricity flows in a wire, what is created around the wire?
What types of properties does light have?
The forces between ________ are examples of electric forces.
What is the term for a packet of light?
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
insulator | arrow_right_alt | a material that allows electricity, heat or sound to pass through it easily |
semiconductor | arrow_right_alt | the flow of electric charge in a circuit |
current | arrow_right_alt | a material that does not readily conduct electricity or heat |
superconductor | arrow_right_alt | a material that has a conductivity that is between that of an insulator and a conductor |
conductor | arrow_right_alt | a material that conducts electricity with zero resistance, usually at very low temperatures |
Silicon is often used as a what?
Describe the motion of electrons in an insulator.