Food Chains

This worksheet is a great way to investigate how energy travels.  Have visuals (laminate cards) of the following animals with a description of what they eat and what eats them.  You can find examples here.

Aphid
Bacteria
Caterpillar
Coyote
Crayfish  
Deer
Fish
Fungus
Grasshopper
Ground Beetle
Hawk
Heron
Ladybug
Meadowlark
Mouse
Owl
Pill Bug
Protozoa
Rabbit
Raccoon
Shrew
Slug
Snail
Snake
Tardigrade
Zooplankton

Having several sets of these cards will help students work in small groups.  Discuss how there are multiple answers.

Source: https://www.pinterest.com/pin/188377196888901613/