Investigation 1

Sea Otter Story Part 1

Readings 1, 2, 3, and 4

Food Chain Cards

Science notebooks

Map of Aleutians

Sea Otter Data Graphs

Large Diagram of Beach

Food Chain Diagram

Butcher paper

Tagboard and felt-tip pens (if clue cards are used)

Art materials for making murals, if time permits

Internet access

LCD projector OR

Student computers and overhead projector

Investigation 2

Sea Otter Story Part 2.

Sampling the “e’s” Organism Data Sheet

Quadrat Data Sheet

Data Table

Newspaper(s) with 1 page per student

Quadrats (small), empty color slide frames OR similar cardboard squares, 1 per student

Calculators (optional)

Stopwatch

Whistle

Quadrats (large) made from meter sticks, hula hoops, or PVC pipes (optional)

For alternate activity if playground space not available:

Large photos or posters showing animal populations on beach or elsewhere, 1 per student group

LCD or overhead projector

Internet access

Playground or other outdoor area divided into two sections

Investigation 3

Sea Otter Story Part 3

Datasheet

Pictures of Kelp Forest (photo 1, photo 2)

Graph of Otter Populations

Pictures of Urchin Barrens  (photo 1, photo 2)

Food Chain Diagrams (diagram 1, diagram 2)

1 “Ziploc” bag per student

Masking tape

Sashes or signs: green, blue, red (1 per student)

Popcorn

LCD or overhead projector

Large indoor or outdoor playing area

Investigation 4

Field Etiquette Handout

None

Bag or box

Grab bag items: boot, hat, piece of litter, shell, rock, toy shovel, plastic toy crab or substitute

Quadrats—1 per student group

Rulers

Measuring tape

Hand lenses

Aquatic field site—beach, riverbank, or pond