Presents an introduction to sound explained by Jasper, the origami bat, describing sound waves, vibration, pitch, echolocation, and the parts of the ear canal.
公車裡的力學課 : 慣性定律
是誰在拉我啊? : 萬有引力
哇!原子跑出來了 : 3D擴增實境 ...
Metals
Matter
Silk
Metal : Material ...
Glass
Wood
Paper
氣體的奧秘
The science of sou ...
Experiments with s ...
翻天覆地的聲音
Sound
The science of fir ...
Temperature : hea ...
狡兔三窟的熱能
Zap It! : Excitin ...
Walter Wick's Opti ...
Lookin' for light ...
The science of lig ...
Endangered Animals (Classroom Set)
National Geographic Kids
Time for kids ( Edition 5-6 )
Time for kids ( Edition 3-4 )
Time for kids ( k-1 )
The teacher from the black lagoon (Classroom Set)
The sea dog (Classroom Set)
Monkey talk (Classroom Set)
Rain forest (Classroom Set)
The Giraffe and the Pelly and Me
Mighty Spiders! (Classroom Set)
Here Are My Hands (Classroom Set)
Me on the map (Classroom Set)
The monster fish (Classroom Set)
Honk! (Classroom Set)
Black Beauty (Classroom Set)
Zoobooks
Ranger Rick
Because of Winn-Dixie (Classroom Set)
Oxford children's rhyming dictionary.