WorldCat Identities

Challand, Helen J.

Overview
Works: 30 works in 71 publications in 2 languages and 7,376 library holdings
Genres: Juvenile works  Dictionaries 
Roles: Author
Classifications: QE521.3, 507.8
Publication Timeline
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Most widely held works by Helen J Challand
Experiments with magnets by Helen J Challand( Book )

5 editions published between 1985 and 1986 in English and held by 813 WorldCat member libraries worldwide

Suggests experiments introducing magnets and magnetism, demonstrating the magnetic field and the properties, strength, and uses of magnets
Science projects and activities by Helen J Challand( Book )

1 edition published in 1985 in English and held by 730 WorldCat member libraries worldwide

Gives instructions for science projects and experiments involving an ant colony, a chicken brooder, plant grafting, microphotography, water purification, and other topics
Experiments with electricity by Helen J Challand( Book )

3 editions published in 1986 in English and held by 678 WorldCat member libraries worldwide

A discussion of the properties of electricity, with several related experiments, and an introduction to different kinds of batteries
Activities in the earth sciences by Helen J Challand( Book )

2 editions published in 1982 in English and held by 642 WorldCat member libraries worldwide

Activities and experiments--such as making charcoal, measuring shadows, and calculating the speed of sound--in the areas of astronomy, weather, and geology
Volcanoes by Helen J Challand( Book )

4 editions published between 1983 and 1985 in English and held by 594 WorldCat member libraries worldwide

Discusses what causes volcanoes, where they are likely to occur, and how scientists study them
Earthquakes by Helen J Challand( Book )

4 editions published between 1982 and 1985 in English and held by 567 WorldCat member libraries worldwide

Briefly describes the earth's interior, the forces and stresses that sometimes cause the ground to shake, and the effects of such movement
Activities in the life sciences by Helen J Challand( Book )

2 editions published in 1982 in English and held by 565 WorldCat member libraries worldwide

Presents a variety of experiments involving living organisms, including growing bacterial cultures, calculating the rate of seed germination, regenerating animals, and using urinalysis techniques
Activities in the physical sciences by Helen J Challand( Book )

1 edition published in 1984 in English and held by 563 WorldCat member libraries worldwide

Gives instructions for a variety of simple experiments that illustrate some basic principles of physics and chemistry
Plants without seeds by Helen J Challand( Book )

2 editions published in 1986 in English and held by 550 WorldCat member libraries worldwide

Examines the characteristics of simple plants that do not have seeds, including algae, fungi, lichen, mosses, and ferns, with a brief look at bacteria
Experiments with chemistry by Helen J Challand( Book )

1 edition published in 1988 in English and held by 446 WorldCat member libraries worldwide

"A brief introduction to chemistry, discussing atoms, molecules, the periodic chart, chemical changes, and states of a matter. Includes simple experiments." -- T.p. verso
Vanishing forests by Helen J Challand( Book )

1 edition published in 1991 in English and held by 370 WorldCat member libraries worldwide

Describes the major types of forests on Earth, their current status, and the environmental problems they face
Disappearing wetlands by Helen J Challand( Book )

1 edition published in 1992 in English and held by 338 WorldCat member libraries worldwide

Examines the ecological role of wetlands and discusses how they are formed, what life they support, and how people modify or destroy them
Science activities from A to Z by Helen J Challand( Book )

2 editions published in 1963 in English and held by 264 WorldCat member libraries worldwide

Hundreds of experiments and projects covering many areas of science. Grades 4-7
Basic science handbook, K-3 by Wilbur L Beauchamp( Book )

6 editions published between 1961 and 1966 in English and held by 153 WorldCat member libraries worldwide

Science words: A beginning dictionary by Helen J Challand( Book )

2 editions published in 1973 in English and held by 25 WorldCat member libraries worldwide

Les volcans by Helen J Challand( Book )

2 editions published in 1985 in French and held by 21 WorldCat member libraries worldwide

Discusses what causes volcanoes, where they are likely to occur, and how scientists study them
Les tremblements de terre by Helen J Challand( Book )

3 editions published between 1982 and 1986 in French and English and held by 13 WorldCat member libraries worldwide

Résumé: Brève description de l'intérieur de la terre, des forces et des pressions qui provoquent parfois des tremblements de terre et des effets qui s'ensuivent
375 things to do by Helen J Challand( Book )

3 editions published between 1963 and 1964 in English and held by 11 WorldCat member libraries worldwide

333 réponses by Helen J Challand( Book )

7 editions published between 1967 and 1976 in French and held by 8 WorldCat member libraries worldwide

Science is exploring by J. Stanley Marshall( Book )

5 editions published between 1961 and 1968 in English and held by 8 WorldCat member libraries worldwide

 
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Audience Level
0
Audience Level
1
  Kids General Special  
Audience level: 0.14 (from 0.11 for Volcanoes ... to 0.83 for 333 répon ...)

Experiments with magnets
Alternative Names
Challand, Helen

Languages
English (46)

French (11)

Covers
Experiments with electricityExperiments with chemistryVanishing forestsLes tremblements de terre