Natural Light Sources
What is the most well-known natural light source?
is the sun.
What is the most common artificial light source that we find in our homes?
is a lightbulb.
How does light travel?
is straight.
We should wear these to protect our eyes from the sun
are sunglasses.
Where does natural light come from
is from natural resources
Where are artificial light sources from?
they are man-made.
The moon is an example of what property of light?
is reflection.
A common vision problem that a person can be born with
colour blindness.
True or false. The moon is a natural light source.
is false.
what are the most famous natural light
northern lights
humans can see only a very _______ amount of visible light
small
This natural light source produces both light and heat, but it can also be a dangerous element. what element is?
is fire.
Fireflies produce light naturally through the process of
is bioluminescence.
True or false. A candle is an example of an artificial light source.
is true.
A common classroom item that absorbs light is
is black paper.
what animal produce their own light
plankton
The light from the sun can help to create power. The man-made device to collect the energy from the sun is called?
solar panels.
how is called the straight lines
rays
when the light comes into contact with an object the light ________________
absorbed, reflected, or refracted
how fast the light travels?
300000 kilometers per second