Science T4

What is Amplitude

Is the maximum displacement from the rest/equilibrium position

What is wavelength?

The distance between the crest/compressions(metres)

What is a Frequency?

The amount of energy moving back and fourth over a period of time(in hertz)

What is a trough

The maximum negative displacement from equilibrium line

What is a crest

The maximum positive displacement from the equilibrium line

What is Pitch

The property if sound that allows to hear a tone higher/lower

Define loudness

A sound with a large amplitude

What are the characteristics of a mechanical wave?

• Requires an elastic medium

• Energy passes through the vibration of particles

• Cannot travel through a vacuum

What are the characteristics electromagnetic wave

• Does not require a medium

• Frequency and Wavelength can change the photon energy

If there is high frequency but shorter wavelength, what would be the photon energy?

High photon energy

What is an example of Electromagnetic wave

• Radiowaves

• Microwaves

• Gamma Ray

• Infrared

• X-Ray

• Visible energy

• Ultraviolet

What is an example of a mechanical wave?

• Sound

• Slink

• Seismic Waves

• Water ripples

In the Electromagnetic Spectrum Which has the longest Wavelength to Shortest?

1. Radiowaves

2. Microwaves

3. Infrared

4. Visible Light

5. Ultra violet

6. X-Ray

7. Gamma ray

In the Electromagnetic Spectrum Which has the Highest frequency to Lowest?

1. Gamma Ray

2. X-Ray

3. Ultra Violet

4. Visible Light

5. Infrared

6. Microwave

7. Radiowaves

What is a longitudinal wave

Particles that move back and forth, parallel to the direction of energy transfer

What is a Transverse Wave

Particles move perpendicular to the direction of energy transfer

What is Rare fraction

The spread of particles

Compression

Particles close together

Define Voltage

The electrical potential difference that provides a push for charge to move(measured with a voltmeter in Volts)

What is a current

The rate at which the electric charge flows through a circuit(Measured with an ammeter in Ampere)

What is Resistance

How strongly a component opposes the flow of current(Measure with an ohmmeter in ohm)

Voltage Drop

Electrons lose energy as they pass through a component. Voltage drop depend on the resistance of the component.

What is a Series Circuit

A circuit in which the batteries and other components are all connected one after the other

What is a Parallel Circuit

A circuit in which each component is connected in a separate conducting path/branch

Define Conduction

The movement of electrical charge through a material(e.g,wire) when voltage is applied

What is a Conductor?

Define Oscillation

What is Propagation

What is Earthing