4863752
9780439754668
Find out how an empty sandwich bag can be jam-packed with science in this collection of learning-rich, hands-on activities. Students discover the force of atmospheric pressure, investigate physical and chemical changes in matter, test germination rates of seeds, and so much more. A fun and easy way to meet the National Science Education Standards! For use with Grades 4-8.Tomecek, Steve is the author of 'Sandwich Bag Science 25 Easy, Hands-on Activities That Teach Key Concepts in Physical, Earth, And Life Sciences-and Meet the Science Standards' with ISBN 9780439754668 and ISBN 0439754666.
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