Level 9 Physics Pre-Test

Which of the following is an example of energy transfer through conduction?

• Heat from the Sun warming your skin

• Heat travelling through a metal rod

• Warm air rising and circulating in a room

• Light travelling through a vacuum

What is the primary method of energy transfer in a microwave oven?

• Conduction

• Convection

• Radiation

• Reflection

Which of the following properties of a wave is measured in Hertz (Hz)?

• Amplitude

• Wavelength

• Frequency

• Speed

If a wave has a wavelength of 2 metres and a frequency of 5 Hz, what is its speed?

• 2.5 m/s

• 5 m/s

• 10 m/s

• 20 m/s

Which of the following is an example of a mechanical wave?

• Light wave

• Radio wave

• Sound wave

• X-ray

What is the term for the height of a wave from its rest position to its crest?

• Wavelength

• Frequency

• Amplitude

• Speed

According to the Law of Conservation of Energy, energy cannot be:

• Created or destroyed

• Transferred or transformed

• Measured or quantified

• Stored or released

Which of the following best describes convection?

• Transfer of heat through direct contact

• Transfer of heat through electromagnetic waves

• Transfer of heat through the movement of fluids

• Transfer of heat through empty space

In an energy-efficient light bulb, electrical energy is primarily converted into:

• Sound energy

• Thermal energy

• Light energy

• Chemical energy

Which of the following is an example of energy transformation?

• A ball rolling down a hill

• A battery powering a torch

• Water boiling in a pot

• A car moving at constant speed