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Kristine Petterson has written 2 work(s)
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cover image for 9780590360463
Presents twenty humorous and informative 'nose-tickling' activities that teach young scientists about bacteria, chemicals, and gases, inviting readers to create or analyze bad smells. Original.
By Andrew Crabtree (illustrator) and Kristine Petterson

Hardcover:

9780590360463 | Box edition (Scholastic, July 1, 1997), cover price $6.95 | About this edition: Presents twenty humorous and informative 'nose-tickling' activities that teach young scientists about bacteria, chemicals, and gases, inviting readers to create or analyze bad smells.

cover image for 9780590360432
Twenty-five safe, easy, and thrillingly disgusting experiments teach young science enthusiasts facts about such chemistry topics as density gradients, polymers, acidity, and alkalinity. Original.
By Andrew Crabtree (illustrator) and Kristine Petterson

Paperback:

9780590360432 | Scholastic, July 1, 1997, cover price $6.95 | About this edition: Twenty-five safe, easy, and thrillingly disgusting experiments teach young science enthusiasts facts about such chemistry topics as density gradients, polymers, acidity, and alkalinity.

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