Título:
Chemical changes
PERSONAL_AUTHOR_EPSB:
Resumen:
The student will learn to identify chemical changes and the signs that they have occurred. Introduces how to distinguish between physical and chemical changes, and the concept that chemical reactions involve changes in energy. Identifies factors that affect reaction rate. Explains the role of enzymes in⛛ More...
Fecha de publicación como intervalo:
2004
Descripción física:
32 p. : col. ill. ; 23 cm.
Contenido:
Introduction: clean "green" machines -- Reaction magic: changing one thing into another -- Picture this: peeking under the hood -- Reaction rates: picking up the pace -- Chemistry in action: putting reactions to work -- Thinking like a scientist: observing -- Hands-on science: heating up or chilling out? -- Science notebook -- Glossary.
Autor corporativo añadido:
ISBN:
9780792245834
Información de publicación:
Washington, D.C. : National Geographic Society, c2004.
