Light, Shadows and Reflections

what are luminous objects

If we cannot see through an object at all, it is an (a)   object

if you are able to see clearly through an object, it is allowing light to pass through it and is

(a)  

Draw the things needed to form a shadow .

Which is an example of a translucent object?

• A thin sheet of paper

• A thin glass slab

• A thin iron sheet

• All of these

Opaque objects:

• Allow light to pass through them.

• Allow light to pass through them.

• Allow light not to pass through them.

• None of these

________are formed when an opaque object comes in the path of light

• I don't know

• Light

• Reflections

• Shadows

________ reflection gives us clear images

• Mirror

• Light

• Shadows

• I Don't know

______ travels in straight line.

• Light

• SHADOWS

• REFLECTIONS

• Pinhole camera

Pinhole camera can be made with simple materials and can be used to image the Sun and (a)   lit objects