S2 Waves and Electricity

Sounds travel best through...

• Solids

• Liquids

• Gases

• Vacuums

The top of a wave is called the _____.

To calculate the speed of a wave you do the...

• d/t

• d x t

• t / d

The bottom of a wave is called the ______.

Which part of the ear transports electrical impulses to the brain?

• Ear drum

• Ear canal

• Auditory nerve

• Cochlea

Ultrasounds are sounds...

• Below 20000 Hz

• Above 20000 Hz

• Above 50000 Hz

• Below 50000 Hz

A circuit which only has one path for the current to flow is known as a ______ circuit.

Current is measured...

• In amps using a voltmeter

• In volts using an ammeter

• In amps using an ammeter

Resistance is measured...

• In Ohms using an ammeter

• In Ohms using an Ohmeter

• In volts using an ammeter

As the number of components in a circuit increases, the resistance _________.