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Tips® Archives |
Classifying Chemical Reactions
Learning 5 basic categories of chemical reactions described in this
article helps chemistry students with the essential skill of writing and
balancing chemical equations—and boosts their ability to predict
reaction products when only given reactants. Following protocols and
using common reagents, students produce all 5 reaction types. Click
below for more.
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Balancing Chemical Equations
Having your students balance chemical equations aids their understanding
of conservation of mass. However, understanding what occurs during the
chemical processes described by those equations is a different matter.
In this activity, students build models to “see” what happens on both
sides of the equation. Click below to see what matters.
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Chemistry Experiments |
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Science Activities |
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The International Year of Chemistry: The Global Water Experiment
Don’t let your students miss the December 31 deadline for participating
in The Global Water Experiment, part of the 2011 International Year of
Chemistry celebration. During the experiment, students study a precious
natural resource—water—and can share their results with classes
worldwide. Click the link below to discover how. |
Modeling the Coriolis Effect
Help your students understand how the Coriolis effect influences the
movement of winds and water currents across our planet. In only 15 min,
this simple, inexpensive balloon activity helps students understand that
effect. Click the link below to see how to accomplish this in such a
short time. |
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Interactive Activities |
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Online Learning |
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Soil and Water
Pique your elementary students’ interest in the world around them with
these engaging, age-appropriate activities. Investigate mountains or
other landforms and bodies of water by making a book, creating a 3-D
model, collecting rocks, or exploring a graphic novel story. See the
link for details. |
What’s New in Online Learning?
Carolina Science Online™ interactive resources help engage and
stimulate inquiring minds. Supporting whole-class and individual
instruction with interactive whiteboard activities, e-books, and science
simulations, Carolina Science Online™ offers multiple ways to teach and
learn. Click the link to learn more! |
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Visit CarolinaScienceOnline.com |
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Featured Videos |
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Nylon Synthesis Demo
This video shows how to combine 2 solutions to create nylon in Carolina’s
version of the popular Nylon Rope Trick. Use the demo about the multiple-use
polymer to teach your students how chemistry can impact everyday life. Click
below to watch the video.
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Teacher 2 Teacher Tips |
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The Limiting Reactant in Chocolate Chip Cookies
To make limiting reactants an easier idea for students to grasp, I always start
with a quick lab that involves a chocolate chip (cookie) recipe. The students
have to figure out how many cookies they can make according to the given recipe
and the list of supplies found in their pantry. Students must then determine
which ingredient is their limiting reactant—based on what's in their pantry—and
therefore, how many cookies they'll be able to make. Since this is a
paper-and-pencil lab, they sit at their desks and munch on the cookies (teacher
provided) while completing it. From then on, we relate our limiting-reactant
problems to the chocolate chip quick lab. It seems to really help students make
the connection and truly understand what is meant by the term "limiting
reactant" and some of the other terms involved in this unit (e.g., actual vs
theoretical yield).
Submitted by:
Cheri Alderman
South Effingham High School
Guyton, GA
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Educational Photos |
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Our photographers have captured thousands of scientific images over the decades,
and we're giving you free access to selected ones via our
Flickr® Photostream. Click the icon to jump right in or the link below to
test the water.
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