Mirror and Lenses

Type of lenses

• flat and big

• concave and convex

• telescope and reflective

What is a lens?

• a microscope

• a telescope

• a curved piece of glass

• a flat piece of glass

This object uses lenses

• camera

• cup

• table

• door

• pulley

This object uses lenses

• washing machine

• cup

• table

• door

• microscope

This object uses lenses

• washing machine

• cup

• spectacles

• door

• vacuum cleaner

This object uses lenses

• washing machine

• microscope

• antibacterial gel

• door

• vacuum cleaner

This object uses lenses

• washing machine

• cup

• telescope

• door

• vacuum cleaner

When observing objects through them, the images look bigger

• concave lenses

• convex lenses

• flat mirror

When observing objects through them, the images look smaller

• concave lenses

• convex lenses

• flat mirror

Close objects appear clear, but the far ones don´t

• Hyperopia

• Myopia

• blindness