Grade 5 - Light and Shadow

Front

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

Back

Frosted glass

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 _________. Options: glass, transparent, shadow, heat.

Back

shadow

Front

Shadows do not depend on the ________ of the object. Options: size, colour, shape, light

Back

colour

Front

Materials that allow all 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

_________ is the form of energy that helps to see objects. Options: Heat, Light, Wind, Electricity

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