Ch. 2 Sources of Energy Flashcard

Front

What is the process called when two protons in the sun are forced together to create helium?

Back

Fusion

Front

What type of energy is created when flowing water is stopped at a dam and falls through a turbine?

Back

Gravitational Potential Energy

Front

What is the term for a massless particle that carries a quantum of energy?

Back

Photon

Front

What type of energy do photovoltaic cells convert?

Back

Electromagnetic radiation

Front

What is light made of?

Back

Electromagnetic radiation

Front

Define Fusion in the context of energy sources.

Back

Fusion is the process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What is Gravitational Potential Energy?

Back

Gravitational Potential Energy is the energy an object possesses due to its position in a gravitational field.

Front

Explain what a Photon is in simple terms.

Back

A photon is a particle of light that carries energy and has no mass.

Front

What is Electromagnetic Radiation?

Back

Electromagnetic Radiation is energy that travels through space in the form of waves, including visible light, radio waves, and X-rays.

Front

What is the significance of the Cosmic Microwave Background?

Back

The Cosmic Microwave Background is the afterglow radiation from the Big Bang, providing evidence for the origin of the universe.