The web graph is made in a letter size paper. The students can do it working in pairs.
The foldable is made in a half letter size paper, they classify natural and man-made sources of light.
Web instructions: Draw a circle in the middle of the board, write the name, distribute the pictures around the circle, glue them, draw arrows coming off the circle and write the name below each picture.
I also offer:
SOURCES OF HEAT CHART & LIGHT and HEAT VENN DIAGRAM
SOURCES OF SOUND: Foldable and Chart
ENERGY FOLDABLE: LIGHT, HEAT AND SOUND
Center of ENERGY: Light, Sound & Heat
SOUNDS - What is this sound?