Light and Sound

• light

• sound

• light

• sound

We can see an object when these bounce off it?

• sound

• light waves

What is the primary source of natural light on Earth?

• The Moon

• The Sun

• Stars

• Fire

Which of the following is a characteristic of sound waves?

• They can travel through a vacuum

• They require a medium to travel

• They are visible to the human eye

• They travel faster than light

What phenomenon explains the bending of light as it passes through different mediums?

• Reflection

• Refraction

• Diffraction

• Absorption

Which part of the human ear is responsible for converting sound vibrations into electrical signals?

• Eardrum

• Cochlea

• Auditory Canal

• Pinna

What is the term for the range of frequencies that humans can hear?

• Visible Spectrum

• Ultraviolet Range

• Audible Range

• Infrasonic Range

Which color of light has the shortest wavelength?

• Red

• Green

• Blue

• Violet

What is the speed of light in a vacuum?

• 300,000 km/s

• 150,000 km/s

• 450,000 km/s

• 600,000 km/s