Carolina Tips - February 2011
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Let Wisconsin Fast Plants®
Grow on You!

Wisconsin Fast Plants® activities are inexpensive, take up little space, and can be adjusted to fit the time you have available—and most important, students enjoy doing them. Discover some of the different ways these materials can be used in life science investigations from kindergarten to high school level. Just click the link below to begin.

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Let Wisconsin Fast Plants Grow on You!

Acid-Base Indicators
Here's an introduction to acid-base indicators that provides a good, basic overview of the topic. It includes a helpful table of Carolina's indicator ranges, the pH values of common household acids and bases, plus a fun "invisible ink" demonstration that you and your students will enjoy. Check out this balanced intro at the link below.

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Acid-Base Indicators: Make My Bromthymol Blues Go Away

Natural Selection Activity On the Cutting Edge
Natural Selection in 50 Minutes Making Connections Through Cat Dissection
Natural Selection in 50 Minutes
Only the fittest survive and all undesirable traits will eventually disappear from a population are common misconceptions students have about natural selection. Help your students understand why those misconceptions aren't true using some craft store beads, our instructions, and 50 minutes. Click the link below to find out how.
Making Connections Through Cat Dissection
The Carolina's Perfect Solution® cat is an excellent specimen for dissection. Its anatomy closely parallels human anatomy—giving you an effective stepping stone to teaching human anatomy. In this series of 3 dissections, students make connections between the cat's anatomical features and those of humans. See the link below for more.
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Request a Catalog 2011 NSTA National Conference
The 2011 Carolina Science Catalog 2011 NSTA National Conference
The 2011 Carolina™ Science Catalog
Indispensible help for sustaining your classroom or lab in the new year, the 2011 Carolina™ Science catalog features more than 770 new products, including 2 new Wolfe® microscope lines and updated Wisconsin Fast Plants® kits. If you haven't already received a copy, you can request one by clicking the link below.
Look for Carolina at NSTA!
Look for us at the NSTA National Conference in San Francisco, March 10–13, 2011. We'll be in Booth 1500 at the Moscone Center. There'll be plenty of opportunities for you to learn, have fun, and win prizes in the booth and at our workshops. Check out the schedule below and start planning which sessions you'd like to attend. We look forward to seeing you!
The 2011 Carolina™ Science catalog   See our workshop schedule

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Featured Videos
Titration Calculations
Titration Calculations
This is part 2 of our video on titration. You'll see how to determine the concentration of an unknown solution of acid by titrating it with a base of known concentration. Calculations are performed on camera and are easy to follow. If you need a refresher on technique, feel free to review part 1. Both videos are available at the links below.
View part 2
View part 1
More Carolina Videos
Teacher 2 Teacher Tips  
Diatom Trap
Here's an inexpensive way to trap and observe diatoms from local bodies of water:
1. Take a 7-oz foam cup and carefully press a standard microscope slide through it so that a small section of slide protrudes from both sides of the cup, thus securing the slide. This is your diatom trap.
2. Place the trap in a river, lake, stream, or pond, inverting the cup so that the slide is immersed in the water.
3. Leave the trap in the water for several days. Diatoms will settle on the slide during the time it is immersed.
4. Retrieve the trap from the water and carefully remove the slide from the cup. Place the slide under a microscope to view the diatoms.

Submitted by:
Leone Broadhead
The Elon School
Elon, NC

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