Page 34 - Career Readiness Catalog

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NEMATODE STUDY
Kit #34

This kit offers students a very effective means for learning
about living organisms . Students extract nematodes and
explore their characteristics and structure . Sampling is easy
as Nematodes can be extracted from almost any type of soil
sample . Everything needed to extract nematodes is included
in this kit .
Accommodates ten classes, each with 10 groups of four students.
Kit No. 34 $88.80
Refill Kit No. 34-RC $15.35

AG REFILLABLE

POLLUTANT EFFECTS OF
PHOSPHATES AND NITRATES

Kit #20
This kit is an excellent environmental pollution laboratory
activity . Students use water samples from nearby fresh
waterways to set up controlled experiments, make
observations, and determine the effects on fresh water
(both qualitative and quantitative) when phosphate and
nitrate compounds are added . Over a period of ten days,
students will observe the blooming of algae and bacteria .
Accommodates two classes, each with 5 groups of four students.
Kit No. 20 $69.05
Eng./Spn. Kit No. 20-BL $71.35
Refill Kit No. 20-RC $27.90 STEM AG REFILLABLE
SPANISH LITERACY

MODELING AND COMPARING FOSSIL
FUEL AND BIOFUEL COMBUSTION
Kit #38
In Part One of this activity, students use Lab-Aids Molecular Models
®
to build methane, ethanol, and octane molecules, and then “combust”
them with oxygen molecules . “Combusting” the model molecules
helps students determine the balanced chemical equations for the
combustion reactions and compare the amount of carbon dioxide
released when these three fuels are burned . In Part Two students
use standard bond energies to calculate and compare the amount of
energy released during the combustion reactions they modeled in Part
One . They are then asked to use their data about the energy released
and the CO produced to choose which fuel they think is better .
2
Accommodates unlimited classes, each with 12 groups of two students.
Kit No. 38 $144.15 AG STEM ADD A GROUP
Add a Group No. 38EL $25.70 LITERACY NONCONSUMABLE

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