3 easy
-graph because i have learned how to graph before so, it's easy to me
-food chain because it's step by step.
-habitat because they are not much habitat and it's easy to learn.
2 hard
-sci method because it's a lot and its name is hard to remember.
-terrarium because it's hard to feed

Equipment - the first beaker which doesn't has plant has 3 layers.
                   the second beaker which has plant has 2 layers.

4/7/14