Term 3 Quiz 1- Waves

Which of the following statements is true about mechanical waves?

• They do not transfer energy

• They are faster than electromagnetic waves

• They require a medium to travel

• They can travel through empty space

What are the two main types of waves mentioned in the text?

• Electromagnetic waves and ocean waves

• Mechanical waves and electromagnetic waves

• Sound waves and seismic waves

• Mechanical waves and sound waves

What type of wave travels only through matter?

• Radio wave

• Mechanical wave

• Sound wave

• Electromagnetic wave

What happens to water particles when a pebble falls into water?

• They sink to the bottom

• They evaporate into the air

• They vibrate and transfer energy

• They freeze instantly

How do mechanical waves move energy?

• By traveling through empty space

• By vibrating particles in a medium

• By reflecting off surfaces

• By creating electromagnetic fields

What happens to particles in a medium when a mechanical wave passes through?

• They change into a different state of matter

• They disappear

• They vibrate and return to their original position

• They move far away from their original position

Which type of wave can travel through empty space?

• Mechanical wave

• Sound wave

• Water wave

• Electromagnetic wave

What creates electromagnetic waves?

• Charged particles like electrons

• Mechanical energy

• Vibrating water particles

• Sound vibrations

What role do charged particles play in creating electromagnetic waves?

• They absorb energy from waves

• They vibrate to generate the waves

• They block the waves from traveling

• They change the direction of the waves

How does the Sun's energy reach Earth?

• Through electromagnetic waves

• Through mechanical waves

• By water waves

• By sound waves