Light

In an activity, a student floats a toy boat in an aquarium. What causes the part of the boat's hull that is underwater to appear larger than the part just above the water line?

• Reflection

• Absorption

• Conduction

• Refraction

What is shown in the image below?

• The force needed to push a swing

• The path light takes when it is refracted

• The flow of an electrical current

• The path light takes when it is reflected

Sometimes it is possible to see light rays. An example is when sunlight breaks through the clouds. Sunlight breaking through the clouds demonstrates how light rays travel in -

• curved rays

• straight line

• zigzag rays

• circular waves

______ is a copy of the object formed by reflected or refracted rays of light

• reflection
• refraction
• object
• image

The bouncing of light off an object is ....

• a mirror
• absorption
• reflection
• refraction

Light is a kind of.....

• reflection
• energy
• heat
• matter

Which of these describes how light travels through an empty space?

• It travels straight but may change direction to avoid objects.
• It changes direction often even if there are no objects. 
• It comes to a stop after it travels a certain distance. 
• It travels in a straight line without stopping. 

The full spectrum of light energy is called the__________

• broad spectrum
• electromagnetic spectrum
• helium spectrum 
• natural light spectrum

Light bends when it is

• reflected

• absorbed

• refracted

A material through which light does not pass

• Transparent

• Translucent

• Opaque