Tops learning systems (254 résultats)

Paperback. Etat : Good. Magnets are fascinating. They provoke our curiosity. Touch a magnet to a straight pin to make another magnet. Hang this pin on a thread to make a compass. Use it to map magnetic fields around a small magnet, or a whole planet. Reverse poles on your pin, chop it into pieces, heat the attracting fragments in a candle flame. These experiments reveal much about the nature of magnetic domains. Create a surprising array of wonderful inventions: electromagnets, solenoids, telegraphs, buzzers, motors, generators and relay switches. What fun (and great science) TOPS Learning Systems Magnetism 20. …

paperback. Etat : Fair.

Etat : good. Book is in good condition and may include underlining highlighting and minimal wear. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Paperback. Etat : Good. TOPS Learning Systems Life Sciences, grades 3-8. Radishes aren't fussy. Provide them with a covered, moist towel, and away they grow. In just a day the seeds will sprout. By the end of the week you'll get sprouts one or two inches tall. Because radishes grow so fast, tropisms are easy to observe: see roots grow toward water, leaves tilt toward light, stems bend against gravity. Kids will draw, measure and graph growth, eat a tiny sun salad, study toxic stress. Marson, Peg Nazari (illustrateur).…

Paperback. Etat : Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting. Marson, Peg Nazari (illustrateur).

Paperback. Etat : Good. TOPS Learning Systems - Science with Simple Things. For Grades 4-12. This book blends science, math, language and art into a grand learning experience: Plant popcorn and pinto beans; improvise lab equipment; keep a journal; learn impressive vocabulary while investigating growth patterns, photosynthesis, respiration and much more. Young adults and kids both love this program, responding with success at individual skill levels. Peg Marson (illustrateur).…

Paperback. Etat : Fair. TOPS Learning Systems - Science with Simple Things. For Grades 4-12. This book blends science, math, language and art into a grand learning experience: Plant popcorn and pinto beans; improvise lab equipment; keep a journal; learn impressive vocabulary while investigating growth patterns, photosynthesis, respiration and much more. Young adults and kids both love this program, responding with success at individual skill levels. Peg Marson (illustrateur).…

paperback. Etat : Fair. Peg Marson (illustrateur).

Paperback. Etat : Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting. Marson, Peg Nazari (illustrateur).

Paperback. Etat : Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting. Marson, Peg Nazari (illustrateur).

Paperback. Etat : Good. Marson, Peg Nazari (illustrateur).

Paperback. Etat : Fair. Marson, Peg Nazari (illustrateur).

Paperback. Etat : Good. Marson, Peg Nazari (illustrateur).

Etat : good. Fast Free Shipping â" Good condition. It may show normal signs of use, such as light writing, highlighting, or library markings, but all pages are intact and the book is fully readable. A solid, complete copy that's ready to enjoy.

Etat : like_new. Fast Free Shipping â" Excellent condition book with clean cover and pages. Barely handled, with minimal wear. An outstanding copy, close to enjoy. Peg Marson (illustrateur).

Etat : good. Fast Free Shipping â" Good condition. It may show normal signs of use, such as light writing, highlighting, or library markings, but all pages are intact and the book is fully readable. A solid, complete copy that's ready to enjoy. Marson, Peg Nazari (illustrateur).

Etat : good. Fast & Free Shipping â" Good condition. It may show normal signs of use, such as light writing, highlighting, or library markings, but all pages are intact and the book is fully readable. A solid, complete copy that's ready to enjoy. Peg Marson (illustrateur).

Etat : very_good. Fast & Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy. Peg Marson (illustrateur).

Etat : very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

Etat : good. Fast Free Shipping â" Good condition. It may show normal signs of use, such as light writing, highlighting, or library markings, but all pages are intact and the book is fully readable. A solid, complete copy that's ready to enjoy. Marson, Peg (illustrateur).

Paperback. Etat : Very Good. Rev. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting. Marson, Peg (illustrateur).

Paperback. Etat : Fair. Teacherâs. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Paperback. Etat : Very Good. Rev. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting. Marson, Peg (illustrateur).

Paperback. Etat : Very Good. Marson, Peg Nazari (illustrateur).

Paperback. Etat : Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting. Marson, Peg Nazari (illustrateur).

Paperback. Etat : Good. Marson, Peg Nazari (illustrateur).

Paperback. Etat : Very Good. Family Edition. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Etat : Very Good. Revised. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting. Peg Marson (illustrateur).

Paperback. Etat : Very Good. Marson, Peg (illustrateur).

Paperback. Etat : Good. Magnets are fascinating. They provoke our curiosity. Touch a magnet to a straight pin to make another magnet. Hang this pin on a thread to make a compass. Use it to map magnetic fields around a small magnet, or a whole planet. Reverse poles on your pin, chop it into pieces, heat the attracting fragments in a candle flame. These experiments reveal much about the nature of magnetic domains. Create a surprising array of wonderful inventions: electromagnets, solenoids, telegraphs, buzzers, motors, generators and relay switches. What fun (and great science) TOPS Learning Systems Magnetism 20. …