Common American species. 423 color illustrations.
Common American species. 423 color illustrations.
This is a practical beginner's guide to the most common American wildflowers. Emphasis is on those with showy petals and those that the amateur is most likely to see. Special features include:
• Where to look for wildflowers
• Tips on how to collect and grow them
• Simplified range maps
As an added aid to quick and easy identification, the flowers are grouped according to color.
Seashells of the World is an introduction to the world of marine seashells, emphasizing the most attractive and best-known species. This guide will help you to:
-Identify
-Classify
-Understand the beautiful shells you see and collect
No other animals are so widely collected, traded, or bought and sold because of their beauty and rarity. 160 pp., full-color illustrations.
A guide to familiar American species. 218 animals in full-color.
A guide to familiar American species. 218 animals in full-color.
A guide to the most familiar American birds. 129 birds in full-color. This guide will help you identify-quickly and easily-the birds you are most likely to see. It tells you:
• What to look for
• Where and when to look
• How to attract birds
Range maps show where each bird is found, and handy tables at the back of the book contain a wealth of additional information about migration, eggs, nests, and food. This is the perfect bird book for beginners at any age.
Simply, accurately, and graphically, this Golden Guide explains:
Massive movements of the atmosphere
Weather instruments and how they are used
The origins, development, and effects of storms
How to interpret weather maps
Full-color illustrations and up-to-date facts help you understand the fascinating phenomena of weather, and how changes are predicted.
Weather project worksheets. For individual student use with wall chart. Pad of 50 sheets, 8 1/2" x 11".
Weather project worksheets. For individual student use with wall chart. Pad of 50 sheets, 8 1/2" x 11".
Pre-cleaned glass, premium quality, 1mm thick, 3" x 1" colored frosted end slides. Packaged in boxes of 72 slides.
Pre-cleaned glass, premium quality, 1mm thick, 3" x 1" colored frosted end slides. Packaged in boxes of 72 slides.
Pre-cleaned glass, premium quality, 1mm thick, 3" x 1" colored frosted end slides. Packaged in boxes of 72 slides.
Pre-cleaned glass, premium quality, 1mm thick, 3" x 1" colored frosted end slides. Packaged in boxes of 72 slides.
Pre-cleaned glass, premium quality, 1mm thick, 3" x 1" colored frosted end slides. Packaged in boxes of 72 slides.
Pre-cleaned glass, premium quality, 1mm thick, 3" x 1" colored frosted end slides. Packaged in boxes of 72 slides.
Replacement bulb for microscopes with fluorescent illumination. 5W, 110V
Replacement bulb for microscopes with fluorescent illumination. 5W, 110V
Replacement bulb for microscopes with halogen illumination. 15W, 6V
Replacement bulb for microscopes with halogen illumination. 15W, 6V
Standard large diaphragm. Used for blood pressure readings and to detect heart and chest sounds.
Standard large diaphragm. Used for blood pressure readings and to detect heart and chest sounds.
This Moh's Hardness Scale collection is mounted on a 5 1/2" X 7 1/8" full color cardstock which holds 9 specimens in their order from the softest (#1 Talc) to the hardest (#10 Diamond not included). There are indicators on the card which instruct the students what will affect the surface of each of these specimens. This economy version of the Hardness Collection has specimens measuring 1/2" to 3/4" in size. The card is packaged in a resalable zip lock bag. Grade Level 6-12. Ages 11-18.
This Moh's Hardness Scale collection is mounted on a 5 1/2" X 7 1/8" full color cardstock which holds 9 specimens in their order from the softest (#1 Talc) to the hardest (#10 Diamond not included). There are indicators on the card which instruct the students what will affect the surface of each of these specimens. This economy version of the Hardness Collection has specimens measuring 1/2" to 3/4" in size. The card is packaged in a resalable zip lock bag. Grade Level 6-12. Ages 11-18.
• Discover the different ways we use chemistry everyday
• This kit uses common household substances to make fun things
• Turn bones to rubber, make rock candy, gooey slime and other crazy kitchen creations
• Includes paper clips, spoon, straws, cardboard cabinet, kitchen sink, index cards, string, measuring spoon, potassium bitartrate and instructions
• Recommended for children 6 years of age and older
Discover the different ways we use chemistry everyday. This kit uses common household substances to make fun things. Turn bones to rubber, make rock candy, gooey slime and other crazy kitchen creations. Includes paper clips, spoon, straws, cardboard cabinet, kitchen sink, index cards, string, measuring spoon, potassium bitartrate and instructions. Recommended for children 6 years of age and older
DNA Model Refill, Single Packet - Build a segment of the DNA consisting of Adenine, Thymine, Cytosine, and Guanine. Color-coded pieces designate certain molecules making up the four nucleotides present in DNA. Instructions
DNA Model Refill, Single Packet - Build a segment of the DNA consisting of Adenine, Thymine, Cytosine, and Guanine. Color-coded pieces designate certain molecules making up the four nucleotides present in DNA. Instructions
• Experiment with conductors, a real working circuit board, wires, light bulbs and more for high-voltage excitement
• Learn about electricity, series, circuits, switches, voltage, current, resistance and other concepts important for electricians and others in the field
• Safe, educational electrical fun that requires (4) "AA" alkaline batteries (not included),
• Includes a circuit board, battery holder, strip, bulbs, holder, wires, code switch, washers, brads, resistors, jar, springs and manual
• Recommended for children 8 years of age and older with adult supervision
Create different kinds of slime. Slime that jiggles, a sticky ooze that can glue things together a mystery material that's solid one minute, liquid the next, and others. Science booklet, recipe cards, and slime chemicals included. Ages 8 +.
