.... is the natural source of light.

• sun

• electric bulb

• candle

Which is the artificial source of light?

• electric bulb

• stars

• sun

Light travels in a .... line.

• zig-zag

• straight

• none of these

Tags

NGSS.4-PS4-2

..... is formed when the path of light is blocked

• transparent

• opaque

• shadow

Tags

NGSS.MS-PS4-2

When the path of light is blocked by anything a ... of that thing is formed

• shadow

• opaque

• transparent

Tags

NGSS.4-PS4-2

Light is form of ... .

• heat

• power

• energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

We see things when light from a source of light is reflected by an object to our

• ears

• eyes

• both

Tags

NGSS.MS-LS1-8

Which of these is not a source of light?

• book

• sun

• stars

Tracing paper is ... .

• opaque

• transparent

• translucent

Metal, brick, and plastics are ... object

• apoque

• transparent

• translucent

Tags

NGSS.MS-PS1-2

NGSS.MS-PS4-2