Name: _______________________________________________
Date:   _______________________________________________

Experimenting with light and shadows.

We shut the curtains and turned  _______ the overhead lights  so that it was as __________  as possible.  We then used a _____________ to find out what happens when different objects are placed ______________ of a beam of light.

Result

Object placed in front of the light.	What we noticed.	

Pencil.		
Mug.		
Piece of cardboard.		
Piece of tracing paper.		
Clear plastic wallet.		
Glass bottle.		
Piece of glass.		
Mirror.(Shiny side facing the light.)		

Conclusion
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Continuing to experiment with light and shadows.

We next decided to find out what happens if an object is placed in different positions in front of the beam of light.

Result

Position of a pencil.
	
What we noticed.	

Placed close up to the beam of light.		
Moved a little way away from the beam of light.		
Moved a long way away from the beam of light.		
Moved so the light is shining down on top of it.		
Moved so the light is at an angle behind it.		
Moved so the light is directly behind it.		

Conclusion
________________________________________________________________________________________________________________________________________________________________________

Our experiments helped us to understand why shadows change their shape during a hot sunny day.  It’s all to do with the earth’s spin.
It takes the earth ____  hours to complete a full rotation. 
As the __________  turns during the daytime, the sun looks as if it is moving across the sky from ___________  to  _____________ .  In fact it is the ______________  that is moving and not the _________ .
On a sunny day, you will find that the longest shadows are formed in ______________________________________________ and the shortest shadows are formed ________________________________.