science sum energy

nuclear definition

energy stored in the nucleus of an atom

gravitational definition

energy stored in an object due to its height

elastic defintion

energy stored in a stretched or pressed object

chemical defintion

energy stored in the bonds of atoms & molecules

thermal definition

energy in the movement of atoms

sound definition

energy caused by vibrations of air particles

electromagnetic definition

energy from waves such as light, radio, x-rays

electric defintion

energy associated with moving electrons

mechanical defintion

total energy of an object due to its motion, position, and height

KE or PE? Electrical

KE

KE or PE? Nuclear

PE

KE or PE? Thermal

KE

KE or PE? Electromagnetic

KE

KE or PE? Mechanical

Both

KE or PE? gravitational

PE

KE or PE? Sound

KE

KE or PE? Chemical

PE

KE or PE? Elastic

PE

Law of Conservation of Energy definition?

Energy cannot be created or destroyed, only transformed

You use ___ energy to heat a home and cook.

thermal

Gas stoves and furnaces change _____ energy from natural gas into _____ energy.

chemical, thermal

During photosynthesis, plants transform _____ energy from the ___ into chemical energy stored in food.

light, sun

Your body changes the chemical energy stored in food into ____ energy as you move and into ____ energy, which keeps your body temperature high.

mechanical, thermal

A television transforms _____ energy into sound energy and _____ energy.

electrical, light

Many devices you use every day are powered by _____ energy from electrical power plants.

electric

With battery-powered devices, ___ energy is transformed into electrical energy for power.

chemical

Cars transform most of the chemical energy in gasoline into ____ energy.

mechanical

heat transfer goes from ____.

hot to cold

heat transfer continues until…

all the objects reach the same temperature

Conduction definition

Heat transfer through direct contact

Conduction Identifiers

Touching, solids, direct contact

Conduction examples

A metal spoon getting hot in soup; a pan heating on a stove

Convection definition

Heat transfer by the movement of fluids (liquids or gases)

Convection Identifiers

Convection Examples

Boiling water; warm air rising in a room

Radiation Definition

Heat transfer through electromagnetic waves

Radiation Identifiers

No contact needed; travels through space

Radiation examples

Sun warming Earth; feeling heat from a fire

Identify the type of heat transfer: Hot coffee heats a spoon

Conduction

Identify the type of heat transfer: Chair warming near a fireplace

Radiation

Identify the type of heat transfer: Decorative lamp liquid rising

Convection

Identify the type of heat transfer: Warm air near the ceiling

Convection

Identify the type of heat transfer: Hand near a hot iron

Radiation

Identify the type of heat transfer: Warm water moving through a water bed

Convection

Identify the type of heat transfer: Copper heating cookware

Conduction

Identify the type of heat transfer: Swimming pool water warmer near the surface

Radiation