Investigate whether light rays always travel in straight lines. Rotate circular walls, each of which has a single opening. Position the walls so that light from a central bulb can be seen by a person outside the walls. Make shadows by placing a range of objects between a light source and a screen. Position shapes to make a shadow animal. Notice that shadows are larger when more light is blocked. This learning object is a combination of two objects in a series of six objects.
Objective
Students relate the size of a shadow to the proximity of an object to a light source.
Students combine simple shapes to cast a shadow having a complex shape.
Students observe that light travels in straight lines.
Students observe that light is blocked by solid objects such as an opaque wall.
Curriculum Information
Education Type
K to 12
Grade Level
Grade 7, Grade 4
Learning Area
Science
Content/Topic
Force Motion and Energy
Earth and Space
Force and Motion
Intended Users
Learners, Students
Competencies
Copyright Information
Copyright
Yes
Copyright Owner
Education Services Australia
Conditions of Use
Use, Copy
Technical Information
File Size
0 bytes
File Type
application/x-rar
Software/Plug-in Requirements
Adobe Flash Player - http://get.adobe.com/flashplayer/
