Waves 4/16/2021

At the beginning of a snowstorm, snow sometimes melts when it lands on the road but does not melt when it lands on the grass. That is caused by the road's __________ of light.

• Absorption

• Reflection

• Refraction

Which of the following statements about visible light are true? (Choose 2 answers)

• Light needs matter in order to move.

• Light can travel in a vacuum.

• Light can pass through all objects.

• Nothing can move faster than the speed of light.

Engineers are designing a new airplane. They want pilots to be able to see objects clearly through the windows at the front of the plane. Therefore, engineers should use __________ glass when making the windows.

• Opaque

• Transparent

• Translucent

• Reflective

What is the main cause of the rainbow coming out of this prism?

• Reflection

• Refraction

• Mirroring

• Absorption

Which of the following is NOT true about light energy?

• Light travels away from its source in one direction.

• Light travels in waves.

• The Sun is a major light source.

• Human eyes can detect light.

Reflection is caused when light bounces off an object

• True

• False

In refraction, light passes through an object.

• True

• False

What happens to light waves to cause reflections?

• Light bounces off an object.

• Light is absorbed by an object.

• Light travels through an object.

• Light bends around an object.

A school bus appears yellow because it __________ yellow light and __________ other wavelengths of visible light.

• absorbs; reflects

• absorbs; refracts

• refracts; reflects

• reflects; absorbs

Light is an energy

• True

• False