Unit 6 Review Energy Conservation. Which Vocabulary word means… Energy in the form of Electricity

Unit 6 ReviewEnergy Conservation

Which Vocabulary word means…

Energy in the form of

Electricity

Electrical Energy

Energy in the form of Electricity

Which Vocabulary word means…

The transfer of heat from one place to another, when matter is in direct contact and is in motion due to

density changes in liquid or gas.

ConvectionThe transfer of heat from one place to another, when matter is in direct contact and is in motion due to density changes in liquid or

gas.

Which Vocabulary word means…

The change of energy from one form to another.

Energy Transformation

The change of energy from one form to another.

Which Vocabulary word means…

Energy of motion

Kinetic Energy

Energy of motion

Which Vocabulary word means…

A measure for the sensation of “how hot” or “how cold”

Temperature

A measure for the sensation of “how hot” or “how cold”

Which Vocabulary word means…

Energy that is stored in a system.

Potential Energy

Energy that is stored in a system.

Which Vocabulary word means…

A principle in physics which states that energy cannot be created nor destroyed; it changes from one form to

another.

Law of Conservation of Energy

A principle in physics which states that energy cannot be created nor destroyed; it changes from one form to another.

Which Vocabulary word means…

The energy of heat, which transfers from hotter objects to colder objects.

Thermal Energy

The energy of heat, which transfers from hotter objects to colder objects.

Which Vocabulary word means…

The transfer of heat that occurs when two objects of different temperatures touch: matter must be in direct

contact.

ConductionThe transfer of heat that occurs when two objects of different

temperatures touch: matter must be in direct contact.

Which Vocabulary word means…

The transfer of heat that occurs through empty space, matter does not need to be in direct contact or be

present.

RadiationThe transfer of heat that occurs through empty space, matter does

not need to be in direct contact or be present.

Which Vocabulary word means…

Energy that is released during a chemical reaction or change.

Chemical Energy

Energy that is released during a chemical reaction or change.

Which Vocabulary word means…

Energy in the form of electromagnetic waves.

Light EnergyEnergy in the form of electromagnetic waves.

Using a candle to melt sulfur in a test tube is an example of what transformation?

___________ energy to ___________ energy

Using a candle to melt sulfur in a test tube is an example of what transformation?

Chemical energy to Thermal energy

What energy transformation takes place in both an electric pencil sharpener AND an electric fan?

___________ energy to ___________ energy

What energy transformation takes place in both an electric pencil sharpener AND an electric fan?

Electrical energy to Mechanical energy

Radioactive atoms are split in a nuclear reactor to heat water to steam. This is an example of what energy

transformation?

___________ energy to ___________ energy

Radioactive atoms are split in a nuclear reactor to heat water to steam. This is an example of what energy transformation?

Nuclear energy to Thermal energy

Two friends decide to go to the park and watch a movie on a

computer. The computer runs on battery power. What energy

conversion is occurring from the battery to the light being given off

by the computer?

_________ energy to _________ energy

to _________ energy

Two friends decide to go to the park and watch a movie on a

computer. The computer runs on battery power. What energy

conversion is occurring from the battery to the light being given off

by the computer?

Chemical energy to Electrical energy

to Light energy

Complete this analogy -

flashlight battery : light energy :: campfire: ________ energy

Complete this analogy -

flashlight battery : light energy :: campfire: Thermal energy

True or False:

Final means end

True or False:

Final means end

In every experiment there should always be one

sample that is left alone (it is not used to test anything) so that the results of the other

samples can be compared to it; this

sample is called the … ___________________

In every experiment there should always be one

sample that is left alone (it is not used to test anything) so that the results of the other

samples can be compared to it; this

sample is called the …

Control

Two chocolate chips are placed on a piece of foil, a lit

candle is placed directly under (touching) the foil in

the middle between the two chocolate chips.

This experiment is an example of which type of

energy transfer? ____________________

Two chocolate chips are placed on a piece of foil, a lit

candle is placed directly under (touching) the foil in

the middle between the two chocolate chips.

This experiment is an example of which type of

energy transfer?

Conduction

Two chocolate chips are placed on a piece of foil, a lit

candle is placed directly under (touching) the foil in

the middle between the two chocolate chips.

Which chocolate chip will melt first?

____________________

Two chocolate chips are placed on a piece of foil, a lit

candle is placed directly under (touching) the foil in

the middle between the two chocolate chips.

Which chocolate chip will melt first? Both will melt close to the same time.

Thermal energy moves in a predictable pattern from warmer to cooler until all the substances

attain the same temperature. This

means thermal energy (heat) moves

____________________ (away from/ towards)

fire.

Thermal energy moves in a predictable pattern from warmer to cooler until all the substances

attain the same temperature. This

means thermal energy (heat) moves away

from fire.

Judy put some ice cubs (20˚C) in her glass of fresh hot tea (100˚C). What is the most likely temperature of the tea and the ice cubes after

10 minutes?

Tea: ____ Ice cubes: ____

Judy put some ice cubes (20˚C) in her

glass of fresh hot tea (100˚C). What is the

most likely temperature of the tea and the ice

cubes after 10 minutes?

Tea: 40 °C Ice cubes: 40 °C

The heat given off by fire is an

example of which type of energy

transfer? _________________

The heat given off by fire is an

example of which type of energy

transfer? Conduction or

Radiation

Ramona is eating a bowl of hot chicken soup on a

cold snowy day. The heated air over her bowl of chicken soup expands and rises and is replaced

by cooler, denser, air. This method of energy

transfer is __________________

Ramona is eating a bowl of hot chicken soup on a

cold snowy day. The heated air over her bowl of chicken soup expands and rises and is replaced

by cooler, denser, air. This method of energy transfer is Convection

A piece of ice cream falls to the ground on a hot

summer day. How will the heat energy move?

_____________ (heat / coldness) will move from the

__________ (ground / ice cream) to the _____

(ground / ice cream).

A piece of ice cream falls to the ground on a hot summer day. How will the

heat energy move?

Heat will move from the ground to the ice

cream.

What is the temperature of the Grey sample?

What is the temperature of the Grey sample? 32 °C

What should be the label of the x-axis?

What should be the label of the x-axis? Color

What should the title of the graph be?

What should the title of the graph be? How color affects

temperature (heat).