Class Activity Review - 8.PS4.3

microwaves because they can only travel short distances.

radio waves because they can travel long distances.

infrared waves because they are used for electronics.

visible light waves because these are the waves we use to see.

The radio wave signal can use rechargeable batteries.

The radio wave signal can travel long distances.

The radio wave signal can be activated in a brightly lit environment.

The radio wave signal can operate only in one component of the system.

waves with small wavelengths.

waves with long wavelengths.

waves with high frequency.

waves with low amplitudes.

True

False

Microwave

Radio wave

Infrared Wave

Gamma ray

Microwaves have a higher frequency than radio waves and can carry more information.

Microwaves have been around on Earth for a longer time.

Microwaves are longer than radio waves.

Microwaves are controlled by the government.

They all use radio or microwaves to transmit and receive information through wave signals.

They all use radio waves only.

They all use microwaves only.

They all use the entire EM spectrum to transmit and receive information through wave signals.

Microwaves can travel far distances.

Microwaves must use satellites.

Microwaves cannot travel very far.

Radio waves require microwaves.

True

False