QEB why it works
Author
1) Electricity
Author
Series
Pub. Date
2008.
Language
English
Description
"Describes where electricity comes from, how it works, and how we use it every day. Includes experiments"--Provided by publisher.
4) Materials
Author
Series
Pub. Date
2008.
Language
English
Description
"Describes where materials come from, properties of various materials, and why certain materials are used to make things. Includes experiments"--Provided by publisher.