Lesson 3 Energy Transformations Review The capacity to

Lesson 3: Energy Transformations Review

• The capacity to do work or create change.

Energy

• The energy of an object or substance in movement; sometimes just called kinetic energy

Motion Energy • Person dancing, car in motion, a thrown ball, flowing water.

• Energy an object has due to place or position, such as its height above the Earth; a form of potential energy

Gravitational Energy • Rock on the edge of a cliff, water behind a dam.

• The energy of electrons moving or flowing within a substance

Electric Energy • Power lines or home wiring, electricity from a battery

• Electromagnetic energy that travels in waves; also called radiant energy

Light Energy • Sunlight, the light of a lamp or of a TV, or computer monitor

• The internal energy of a substance due to random vibration and movement of its atoms and molecules; also called thermal energy.

Heat Energy • Heat form the burner of a stove, charcoal grill, forest fire.

• Energy that moves through substances by compression waves; sound

Sound Energy • Any kind of sound from humans, machines, animals, Ipods

• Energy stored in the chemical bonds between atoms and molecules

Chemical Energy • Energy plants store by photosynthesis, any food we eat, coal, oil

• Energy stored in the nucleus of an atom; the energy that holds an atom together; sometimes called atomic energy

Nuclear Energy • Uranium in a nuclear power plant and plutonium in a bomb

Law of conservation of energy: First Law of Thermodynamics

The total ______of energy in the universe is____. Energy can be neither _____nor_____, but it can be _____from one form to_____.