Background Prep: Glass candle holder, dryer sheet, cell phone, metal fork
If you choose to complete the activity in the classroom only, make sure there are at least 4 of each item in the classroom. If you complete the hunt around the school, make sure the students will able to find each type around the school.
Check flashlight batteries.
Large sheet of butcher or bulletin board paper for anchor chart (Landscape view): Draw 3 lines to break the sheet into 4 columns. At top of column write each type (transparent, translucent, opaque, and reflective) under the type, write a definition. Leave bottom to label the classified object.
Copy the light classification template (see attachment) or create a simple chart in student's science notebook.
1 flashlight per group
Transparent items (1 per group) - Windows, glass, plastic wrap, some water bottles, magnifying glass, etc.
Translucent items (1 per group) - Wax paper, some water bottles, notebook paper, thin mini-blind, some curtains, Kleenex, lamp shade, etc.
Opaque items (1 per group) - Black construction paper, table, chair, desk, pencil, back pack, binder cover, etc.
Reflective items (1 per group) - chrome items, aluminum foil, reflective metal (chair leg), mirror, etc.
Bring 4 ice cubes (similar sized) for each group or whole class. If you need a time saver, use smaller ice cubes.
1 timing device for each student or one in a general area for all to use. (Stopwatch, timer, cell phone, clock)
4 foam plates for each group or whole class
Check weather for a warm sunny day.
Find an area around the school with good sun and shade for student protection. If none is available, remind students to bring a hat and wear sunscreen. If necessary, use a window sill in a sunny area for the experiment and have students work and record data from inside.
Exit slip items:
Index card, scrap paper, or post-it note to use for exit slip answers.
(Optional) 1 clear plastic cup (transparent), 1 tinted plastic cup (translucent), 1 red plastic cup (opaque), 1 metal cup (reflective)
As always, test the experiment prior to lesson date.
4 foam plates
1 item of each type
4 ice cubes