🔆Light🔆

What does a source of light do?

• Emit light

• show light

• start a river

• begin light

Which of these is luminous?

• book

• light bulb

• table

• pencil

Which of these are non-luminous?

• light bulb

• ipad

• cardboard box

• cellphone

What does transparent mean?

• something in between a parent

• Something in which no light can pass through.

• Something in which some light can pass through.

• Something in which all light can pass through.

What does translucent mean?

• Something in which some light can pass through but not clearly.

• Something in which all light can pass through but not clearly.

• Something in which some light can pass through but clearly.

• Something in which no light can pass through and not clearly.

What does opaque mean?

• Something in which light can pass through.

• a passage

• Something in which light cannot pass through.

• something beige

A ____ is a completely empty space with no medium and that only light can pass through.

What does light time measure?

• it measures the universe in centimeters

• it measures distance in space, not time.

• it measures time in space

• it measures light

the speed of light is ____ m/s

What is reflection?

• when light bends

• when the light is absorbed from your eye bla bla bla

• When light bumps into an object and into your eye.

• the you on the mirror