Which of these energy transfers best describes the energy ‘burn’?
Chemical energy to electrical energy
Chemical energy to kinetic energy
Electrical energy to chemical energy
Electrical energy to gravitational potential energy
Which of the following is transferred by the waves from the Sun to the food?
Information
Matter
Sound energy
Thermal energy
All electromagnetic waves have the same
Amplitude in a vacuum
Frequency in air
Speed in a vacuum
Wavelength in air
In the electromagnetic spectrum, microwaves are between
Radio waves and infrared waves
Ultraviolet waves and x-rays
Visible light and ultraviolet waves
X-rays and gamma rays
Which of the following could be a use for infrasound?
Cleaning golf clubs
Communication between animals
Measuring the depth of the ocean
Scanning unborn babies
