quiz1:light uses

which one is NOT a source of light:

• flashlight

• glass

• sun

• fire

what travels faster:

• sound

• light

we can see our__________ on the mirror

• dog

• reflection

• red light

a man in a lifeboat saw a ship from far away what could he use to send a message to the ship:

• water

• microphone

• flashlight

• horn

what is the most important source of light on earth

• moon

• sun

which one of these is a source of light

• book

• bug

• car

• candle

light helps us to

• close things

• burn things

• hear things

• see things

neon lamps is a source of

• light

• sound

we can see in the dark

• true

• false

which one is NOT an example of communication using light

• ambulance lights

• horn

• lighthouse

• traffic lights