Circuits and Light Flashcard

Front

What is a circuit?

Back

A circuit is a closed path through which electric current flows.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating objects, which creates sound waves.

Front

What safety rule should be followed when exploring light outdoors?

Back

Never look directly at the sun.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, causing objects to appear broken or displaced.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What materials best reflect light?

Back

Foil, shiny pans, and mirrors are materials that best reflect light.

Front

What happens when you close multiple switches in a circuit?

Back

Closing multiple switches can allow current to flow through different paths, affecting which components receive power.

Front

What is conduction?

Back

Conduction is the transfer of heat through a material without the movement of the material itself.

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by a material and not reflected or transmitted.

Front

What is the purpose of a switch in a circuit?

Back

A switch is used to open or close a circuit, controlling the flow of electricity.