Janice vancleave (Oltre 2700 risultati)

Paperback. Condizione: Fair. How do you fold a sheet of paper into the shape of a whale? How do you measure the area of a pizza pie? How can you draw a circle within a circle without lifting your pencil from the paper? Now you can discover the answers to these and other fascinating questions about elementary geometry--the study of shapes.…

Paperback. Condizione: Good. How do you fold a sheet of paper into the shape of a whale? How do you measure the area of a pizza pie? How can you draw a circle within a circle without lifting your pencil from the paper? Now you can discover the answers to these and other fascinating questions about elementary geometry--the study of shapes.…

Paperback. Condizione: Very Good. Why do bubbles escape from soda? How can you clean up an oil slick? What's the best environment for worms? Why does milk curdle? This title lets you explore the strange and sometimes slimy answers to these and other questions about astronomy, biology, chemistry, earth science, and physics. …

Paperback. Condizione: Fair. Why do bubbles escape from soda? How can you clean up an oil slick? What's the best environment for worms? Why does milk curdle? This title lets you explore the strange and sometimes slimy answers to these and other questions about astronomy, biology, chemistry, earth science, and physics.…

Paperback. Condizione: Good. Why do bubbles escape from soda? How can you clean up an oil slick? What's the best environment for worms? Why does milk curdle? This title lets you explore the strange and sometimes slimy answers to these and other questions about astronomy, biology, chemistry, earth science, and physics.…

Paperback. Condizione: Good. There's plenty for you to choose from in this collection of forty terrific science project ideas from real kids, chosen by well-known children's science writer Janice VanCleave. Developing your own science project requires planning, research, and lots of hard work.

Paperback. Condizione: Good. Here are just a few of the topics youll be investigating: Seed germination Chromatography Food preservatives Cellular respiration Operant conditioning Youll be amazed at how easy it is to turn your own ideas into winning science fair projects.

paperback. Condizione: Fair.

Paperback. Condizione: As New.

paperback. Condizione: As New.

Paperback. Condizione: Very Good.

Paperback. Condizione: Very Good.

Paperback. Condizione: Very Good.

Paperback. Condizione: Fair.

Paperback. Condizione: Fair.

paperback. Condizione: Fair.

Paperback. Condizione: Very Good. Why do newspapers turn yellow? How does bleach make colors disappear? Why can't you mix oil and water? Find out the answers to these and other mysteries of chemistry in this fascinating collection of ideas, projects, and activities that teach the basics of chemistry theory and practice.…

Paperback. Condizione: Good. Why do newspapers turn yellow? How does bleach make colors disappear? Why can't you mix oil and water? Find out the answers to these and other mysteries of chemistry in this fascinating collection of ideas, projects, and activities that teach the basics of chemistry theory and practice.…

Paperback. Condizione: Fair. Why do newspapers turn yellow? How does bleach make colors disappear? Why can't you mix oil and water? Find out the answers to these and other mysteries of chemistry in this fascinating collection of ideas, projects, and activities that teach the basics of chemistry theory and practice.…

Condizione: acceptable. This copy has clearly been enjoyedâ"expect noticeable shelf wear and some minor creases to the cover. Binding is strong, and all pages are legible. May contain previous library markings or stamps.

Paperback. Condizione: As New.

Paperback. Condizione: As New.

Paperback. Condizione: Very Good.

paperback. Condizione: Very Good.

Paperback. Condizione: Very Good.

Paperback. Condizione: Very Good.

Paperback. Condizione: Very Good.

paperback. Condizione: Fair.

Paperback. Condizione: Good. What's the effect of osmosis on a raisin? How is water transported through plant stems? What's the best way to grow penicillin? How are butterflies different from moths? Now you can discover answers to these and other fascinating questions about biologythe study of living organisms.…

Paperback. Condizione: Very Good. This volume provides children with 101 simple, low-cost experiments which teach the basic concepts and principles of Earth science. Each experiment is split into sections which explore the experiment's purpose, the materials needed, procedures and results.