Tell Me How Fast It Goes

by Shirley Willis

Published 1 September 1999


Tell Me How Ships Float

by Shirley Willis

Published 1 September 1999

Tell Me What the Time Is

by Shirley Willis

Published 1 September 1999

Tell Me How Far It Is

by Shirley Willis

Published 1 September 1999
Introduces the concepts of distance and length, discussing how they are measured, why measuring is important, units of measure, perspective, and the reasons for measuring a variety of objects and distances.

Tell Me Why Planes Have Wings

by Shirley Willis

Published 1 September 1999
Text and simple illustrations provide explanations of the principles of flight.