Physics/Biology

23 cards·by legacy-6346003@noemail.invalid

What is Kinetic Energy?

Energy of motion.

What is Potential Energy?

Stored energy - ready to go.

What is Gravitational Energy?

Energy stored in the height of an object.

What is Chemical Energy?

Energy released from a chemical reaction.

What is Strain Energy?

Deformation.

What is Nuclear Energy?

Energy released by breaking nuclei (Fission).

What is Thermal Energy?

Energy flowing from hot objects to cold.

What is Electrical Energy?

Energy stored in static, moving charges.

What is Light Energy?

Radiation/Electromagnetic waves.

What is Sound Energy?

Vibration of air particles that move in waves.

What is the formula for Efficiency?

Useful power output/Power Input x 100

What is a Parallel Circuit?

A circuit with more than one path for the electrons to take.

What is a Series Circuit?

A circuit with only one path for electrons to take.

What is Current?

The flow of electrons.

Where does a current split?

At a junction.

What is Voltage otherwise known as?

Potential Difference

What do Ammeter measure?

Measure current in series only.

What do Voltmeters measure?

Measure potential difference in parallel or cross only.

What is EMF?

Electromotive force - the maximum PD from a battery when no current flows.

What is the unit for Resistance?

Ohms

What is the equation Resistance?

R = V/I

What does Charles's law say?

Gases tend to expand when heated.

What is Homeostasis?

The ability to maintain a constant internal temperature in the body.