Each WorldScapes Topic Set focuses on specific themes and includes ideas for further discussion and research. Includes 6 copies of each title, Teacher’s Notes, and a handy Book Bin for storage.

Learn how simple machines were used to build ancient structures and how, combined with more complex technologies, they are used to construct the sophisticated bridges and buildings of today.

Key topics explored include—

• Simple machines
• Construction methods
• Force and motion
• Space exploration

WorldScapes Physical Science Topic Set
Includes 30 books (6 copies each of 5 titles), Teacher's Notes, and a Book Bin. Topic Set includes the five 6-packs listed below.
The Greatest Wall of All (GRL P)
Overground, Underground (GRL T)
Eye on Invention (GRL T)
Fitting In (GRL W)
Into the Unknown (GRL Z)