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Home School Curriculum at prices you'll appreciate |
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Tornado Tube
$3.97
-- Simple, yet clever 1" dia. by 3" long plastic device to demonstrate the vortex effect...
Purchase Tornado Tube
Simple, yet clever 1" dia. by 3" long plastic device to demonstrate the vortex effect of a tornado. Partially fill with water one of the two half-gallon size plastic soda bottles which you supply. Screw the bottles into opposite ends of the tube which we supply.
Tip so the full bottle is on top and give it a circular starting whirl. Presto! You have a vortex. Call it a tornado if you're a meteorologist, a Charybdis if you're a classicist, or a whirlpool if you're into oceanography.
Lots of fun and a fine opportunity to attempt to explain the effects of the earth's rotation on water draining out of a bathtub. The phenomena are related we're told, but good luck!!
Packaging may differ.
CHOCKING HAZARD - CONTAINS SMALL PARTS - NOT FOR CHILDREN UNDER 3
Purchase Tornado Tube
Other products in the category Science and Health / Science Equipment:
Advanced Biology Dissecting Specimens -- Advanced Biology Dissecting Specimens contain -
Cow Heart
Cow Eye
Fetal Pig
Preserved in propylene glycol, a non-toxic, odorless, biodegradable preservative. No special ventilation required! Although these go with Apologia Human Body (Advanced Biology) these specimens can be used with any curriculum that requires the use of these parts.
Apologia Marine Biology Dissecting Items & Materials -- An exciting new Apologia Marine Biology course! Lab items listed are: Glowing light stick, Brine Shrimp eggs, clam, starfish, shark, natural sponge, coral specimen, shark dissecting tray, and dried sea fireflies.
Note: No dissection tools included since you should have them from first year Biology. If you still need them, see below to order.
Click here for specimen care instructions.
Basic Chemistry Set -- This basic chemistry set includes:
Test Tubes
Test Tube Rack
Test Tube Clamp
Need goggles? Click here to order them! WARNING CHOKING HAZARD: Small Parts. Not for Children Under 3 years.
Biology - Dissecting Lab w/ Specimens -- This high-quality high school dissecting set is intended for use with the Exploring Creation with Biology course. Instructions for dissecting are not included in this kit. Contains -
Dissecting Pan & Flex Pad, High School Dissecting Instrument Set, Earthworm (8-12"), Frog (41/2-51/2"), Fish (Perch 9-12"), and Crayfish (4-6").
Biology - Dissection Specimens (4) -- Set of 4 dissection specimens. Includes: Frog, Perch, Crayfish, and Earthworm. Preserved in propylene glycol, a non-toxic, odorless, biodegradable preservative. No special ventilation required!All biology curriculums require dissection to receive a "high school science with lab" credit. You can use these specimens with any biology course.
Biology - Dissection Tools w/ Pan and Pad -- This set contains the high school dissecting tools along with the accompanying dissecting pan and pad. Catch your own specimens, or order them here.
Biology Lab Set with Prepared Slides -- This is the lab set intended for use with the Exploring Creation with Biology course. If you already have a microscope, this set contains the necessary lab materials without the microscope.
Contains:10 Blank Slides and Covers, 4 Eyedroppers, Methylene Blue, Iodine, Lens Paper, Micro-Art Drawing Paper, Microslide #17 Chick Embryo, Plastic Slide Box, and Set of 16 Prepared Slides.
Blank Slides -- A set of 72 blank glass slides to be used with all microscopes. 1" x 3" each, ground edges
Blood Type Kit -- Enough materials for one test. For use with Apologia Human Body (Advanced Biology) text.
Can be used without the text if you're just curious!
Bob Jones Biology Dissection DVD -- This engaging DVD contains step-by-step instructions to help students dissect four specimens - a crayfish, perch, earthworm, and a frog. Join Tom Cost, a zoologist as he dissects and notes the animal's important external feature. In detail he then leads viewers through the dissection process, demonstrating proper technique, giving expert tips, and offering insight on each specimen's anatomical structure.
Although this is produced by Bob Jones University, we found that this is a great "dissection documentary" that will go along with ANY biology course. Mr. Cost's expertise and his attention to detail makes it seem like you are there, viewing and experiencing the dissection right with him.
Run time: 72 minutes
Bob Jones Biology Dissection Kit -- Contains everything needed for an individual to begin lab work and is completely compatible with the Bob Jones Life Science and Bob Jones Biology programs. It includes an earthworm, crayfish, a perch, and a grass frog preserved in an odorless and nontoxic form and vacuum-packed moist in a plastic bag. Once opened, the specimens can be stored safely and indefinitely in sealed plastic bags without preservatives. It also includes seven dissecting tools in a vinyl case, a magnifying glass, an econopan, a student activity book, a packet of tissues, self-sealing storage bags, dissection pins, and towelettes.
Human Anatomy and Physiology Lab Kit -- The Anatomy and Physiology Lab Kit is designed to accompany the latest
book in the Young Explorer Series by Apologia Science, Human Anatomy and Physiology. With this kit,
you will have almost everything you need to complete the book's hands-on
experiments and activities--all right at your fingertips. Supplies
included enable children to nibble on an edible cell, test food for
vitamin C, create a working diaphragm, and much more! Items are packaged
in individual lesson bags for easy use.
WARNING: CHOKING HAZARD - Small parts and balloons. Children
under 8 years can choke or suffocate on uninflated or broken ballons.
Adult supervision required. Keep uninflated balloons from children.
Discard broken balloons at once.
This kit contains small parts. Not for children under 3 years.
Plastic Test Tubes (set of 12) -- These durable 16ml test tubes are perfect for young scientists! Set of 12 plastic test tubes with caps.
Ages 9-14 Grades 3 - 6
WARNING CHOKING HAZARD: Small Parts. Not for Children Under 3 years.
Prepared Slides -- These two sets contains six slides each with different examples of pollen/spores, textiles, insects, tiny creatures, animals and plants. 48 specimens per set.
Set of Slides include:
Animals: Goldfish Scale, Hare Hair, Camel Hair and Geather Fowl Point
Plants: Woody Stem of Pine, Camellia Leaf Section, Bamboo Shoot and Stem of Sponge Gourd
Insects: Leg of Butterfly, Wing of Butterfly, Wing of Locust and Leg of Honey Bee
Textile Fibers: Hemp Fiber, Silk Stuff, Cotton Fiber and Bemberg
Ages 4 - 10
Safety Goggles -- Protect your eyes and your students' eyes with soft, flexible, transparent plastic. Comfortable to wear. Adjustable headband. One size fits all.
Ages 5 - 17
WARNING: CORD - Cord is potential entanglement risk for Children Under 3 years.
Student Microscope -- The features include - DIN Achromatic 4X, 10X, 40XR (retractable), coarse and fine focus, Choose: 20w Tungsten, or 5w fluorescent (let us know which you want), and a locked-in pointer eyepiece.
This student microscope has everything necessary for the middle school or high school classroom. This is a proven design with student proof features such as locked-in eyepieces, and a durable disk diaphragm. Clear DIN optics, coarse and fine focus, illumination and stage options. Accessories included are - Dust cover, one fuse, spare bulb, manual and warranty card.
This is drop shipped directly from LW Scientific to your door. These microscopes are non-returnable, but they are backed by a lifetime workmanship warranty through LW-Scientific.
Lindley's Note - For junior high and high school, make sure you get a microscope that will prepare your student for college-level labs. Although there are inexpensive versions at the local "Marts", these do not have the specs required for most high school labs, let alone college-level courses. Keep your scope in good shape and it will retain it's value. After all three of our students graduated, we even loaned ours out to another family. It is a worth-while investment.
Download Spec Sheet
Test Tube Clamp -- Handheld clamp holder for heating a single test tube over a flame. Has fingergrips for ease of use.
Test Tube Rack, Wooden -- This wooden stand includes six
drying pegs and six 24mm diameter holes. This product may come in
natural wood or with a dark finish, depending on supply availability.
Both are attactive and functional.
Test Tubes with caps, Plastic (Set of 6) -- These test or culture tubes are made of opaque plastic with a blue
leak-proof cap. The tubes are marked with 0.5 ml graduations and have a
15 ml capacity. Tubes are approximately 120 mm tall x 16 mm OD with 15
mm inside diameter. Not for use in open flame. Note: Test tube style and
cap style may vary slightly from photo.
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Test Tubes, Glass (set of 6) -- High quality glass test tubes with white marking spot. Can be heated in an open flame. Size is 13 x 100 mm. Comes with caps.
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