Light and dark crossword

An object is _____ when no light is falling on it.
We can see objects because of this.
We use a sensor to _____ the light being trasmitted.
An object that doesn't let any light through is said to be.
A shape on a stick used to make shadows to tell a story.
the best subject you learn in school!
Someone who does the best subject in school.
The shape seen where light is blocked by an object.
The _______ of an object can be shown by its shadow
The distance between a light source and the object will vary the ______ of the shadow.
The brightest thing in our sky.
A battery powered light source
Objects that allow some light through
Objects that allow light through easily