Grade 5 - Light and Shadow

Front

Which of the following is not an opaque material? Wood, Glass, Mirror, Frosted glass

Back

Wood

Front

The closer the source of light, the _________ is the shadow.

Back

bigger

Front

A dark shape formed when an opaque object is placed in the way of light is called _________.

Back

shadow

Front

Shadows do not depend on the ________ of the object.

Back

color

Front

Materials that allow light to pass through them are called ___________ materials.

Back

Transparent

Front

Shadow is formed on the ___________ side of the source of light.

Back

opposite

Front

Identify translucent material from the following: thin sheet, brick wall, clean water, mirror.

Back

thin sheet

Front

What is the form of energy that helps to see objects?

Back

Light

Front

Light travels at the speed of _____________.

Back

30,000 km/s

Front

A ____________ or screen is needed to obtain a shadow.

Back

Surface