Science Flashcards
Nonluminous
A term used to describe an object that cannot make light by itself.
Luminous
A term used to describe an object that can make light by itself.
Opaque
A substance that blocks all light rays.
Translucent
A substance that allows some, but not all, of the light rays to pass through it.
True or False
Light travels in curved lines.
False.
Light travels in straight lines.
True or False
A shadow is a dark shape caused when an object blocks light.
True.
A shadow is a dark shape caused when an object blocks light.
True or False.
Light and heat are related.
True.
Light and heat are related.
Most luminous light sources give off light and heat.
True or False.
A shadow will be on the same side of an object as the light source.
False.
A shadow will be on the opposite side of an object as the light source.
True or False.
Straight lines of light are called rays.
True.
Straight lines of light are called rays.
A substance that allows ALL light rays to pass through it.
Transparent
A term used to describe an object that can make light by itself.
Luminous
A term used to describe an object that CANNOT make light by itself.
Nonluminous
A shadow will be shorter?
At noon.
What happens at noon?
A shadow will be shorter.
A substance that blocks all light rays.
Opaque
