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Investigating Osmosis and Diffusion

Kit #22
$151.35
Investigating Osmosis and Diffusion

This kit stimulates students' curiosity, model an important characteristic of cells, provide a hands-on experience, and develop good laboratory technique. In this activity, students test for the presence of starch and glucose and then use these tests to observe that some molecules can pass through a membrane while others can not. In conclusion, they are asked to propose a reason for why some substances diffuse through the membrane while others do not.

Details at a Glance

  • 1-2 Days | 1-2 ~50 minute class periods
  • 1 Activity
  • Accommodates 1 class, with 12 groups of 2 students
  • Consumables service 24 students
  • Meets our criteria for supporting literacy
  • Includes digital resources

Complete Kit Equipment Package

Investigating Osmosis and Diffusion
#22
$151.35

Need to Extend Your Kit Materials?

Scientific Concepts

•Models can be used to represent systems and their interactions.
•Cells have particular structures that underlie their functions. Every cell is surrounded by a membrane
that separated it from the outside world.
•All organisms must be able to obtain and use resources, grow, reproduce, and maintain stable
internal conditions while living in a constantly changing external environment.
•All organisms are composed of cells – the fundamental unit of life.
•Cells carry out the many functions needed to sustain life.

Guides & Student Sheets

Our kits and modules provide you with everything you need so you can open, review, and teach the material confidently the next day.

  • Full downloadable Teacher Guide with background information, detailed instruction, example data and answers
  • Downloadable Student Sheets with age appropriate background information, full procedure(s), and analysis questions
  • All materials necessary to carry out the investigation
  • Safety Data Sheets

Kit Components

  • 36 Glucose testing strips
  • 12 Membranes, semi-permeable
  • 12 Cups, plastic
  • 3 Droppers
  • 3 Lugol’s solution, bottle
  • 2 Glucose solution, bottle
  • 2 Liquid Starch, bottle
  • 1 Teacher’s Guide with MSDS
  • 28 Student Worksheets and Guides
  • Not included and needed for instruction: Coffee filter. 

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