LabsLand Teach lessons

• Planarians
• 40 min
• Lower secondary / early high school
• English

Planarian Detectives: identify the mystery substance

Short lower-secondary activity: students open Planarians in detective mode, count line crossings for control E and two mysteries, identify the high- and low-movement mysteries, and write a cautious evidence-based conclusion.

• Define a fair rule for counting line crossings during a planarian observation.
• Use substance E as the water control when comparing two mystery substances.

Includes student questions and response prompts.

• Planarians
• 25 min
• Upper primary / early lower secondary
• English

Planarians in motion: water and sugar

Students use the Planarians remote lab to predict, count line crossings, and compare movement in pond water and sugar water.

• Apply one simple, consistent rule to count complete line crossings in the lab view.
• Record two line-crossing counts, one in pond water and one in sugar water, using the same rule and the same amount of time.

Includes student questions and response prompts.