Innovating Science® - AP BIOLOGY #4 DIFFUSSION AND OSMOSIS

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Innovating_Science_IS3704

Manufacturer No

IS3704

Aldon Innovating Science®

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Manufacturer ID - IS3704

Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic. Once that skill is learned they can move on to test some common items that would be found around their house to determine if they are acids or bases. Optional: Extra litmus paper is included to test more items either from home or around the school building for a greater understanding of acids and bases. The activity contains enough materials for 6 groups of students.

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Description

Students will study the movement of water and nutrients across a cell membrane and observe osmosis in living tissue. They will then investigate the relationship between surface area and volume as it relates to cells and diffusion. They will also examine the concept of molarity and how it relates to osmotic potential and the movement of water. Students will also be able to explain how cell size and shape affect the overall rate of nutrient intake and water elimination. Students will also use plant tissue to determine the molarities of unknown solutions based on the direction and degree of water movement. This kit contains enough materials for 8 groups. Teacher's manual and Student Study Guide copymasters are included. Meets AP® Science Practices 2, 4, and 5, and Big Idea 2.

Kit Includes:
45g Agar
15mL Bromothymol Blue Concentrate
2x25mL 2.0M Hydrochloric Acid
40 pc. Dialysis Tubing
8 Agar Block Casting Trays
1 pkg Microscope Slides, pkg/72
8 Plastic Cups, 5oz
Coverslips
40 Plastic Cups, 7oz
8 Plastic Knives
Cork Borer
8 Plastic Stirrers
8 Metric Rulers
Sucrose QuickSolution (to make 1L of 1.0M solution)
Sodium Chloride QuickSolution (to make 1L of 1.0M solution)
Glucose QuickSolution (to make 1L of 1.0M solution)
Ovalbumin QuickSolution (to make 1L of 5.0% solution)
Food Coloring set (red, blue, yellow, green)
Sucrose QuickSolution set to make:
1L of 0.2M Solution (Solution #3)
1L of 0.4M Solution (Solution #2)
1L of 0.6M Solution (Solution #5)
1L of 0.8M Solution (Solution #1)
1L of 1.0M Solution (Solution #4)
1L Distilled Water (Solution #6)

Materials Needed but not Supplied:
Paper Towels
Distilled or Deionized Water
Electronic Balance
Large Onion
Fine-point Forceps/Tweezers
Microscopes
Potatoes, Sweet potatoes, or Yams

DOT Info:
Small quantity exemption 173.4
THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only

WARNING: This product can expose you to chemicals including Lead and lead compounds, which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.

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Specification

Brand Name	Innovating Science®
Performance Expectations	5-PS1-3 5-PS1-4
Cross Cutting Concepts	Cause and Effect Scale, Proportion, and Quantity
Engineering Practices	Planning and Carrying Out Investigations
Box Used	12663SBOX
Width (in)	6.25
Height (in)	4
Weight (oz)	19.9
Weight (lb)	1.24
Country of Origin	US
Harmonization Code	9023.00.0000
DOT Description	Non regulated