Presents an introduction to sound explained by Jasper, the origami bat, describing sound waves, vibration, pitch, echolocation, and the parts of the ear canal.
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
A drop of water : ...
The science of sou ...
物理傳奇 : 美妙的聲
Experiments with s ...
翻天覆地的聲音
Sound
The science of fir ...
Temperature : hea ...
狡兔三窟的熱能
Walter Wick's Opti ...
Zap It! : Excitin ...
The science of lig ...
Endangered Animals (Classroom Set)
National Geographic Kids
Time for kids ( Edition 3-4 )
Time for kids ( Edition 5-6 )
Time for kids ( k-1 )
The teacher from the black lagoon (Classroom Set)
Rain forest (Classroom Set)
Monkey talk (Classroom Set)
The sea dog (Classroom Set)
The Giraffe and the Pelly and Me
Mighty Spiders! (Classroom Set)
Black Beauty (Classroom Set)
Honk! (Classroom Set)
Me on the map (Classroom Set)
The monster fish (Classroom Set)
Here Are My Hands (Classroom Set)
Zoobooks
Ranger Rick
Because of Winn-Dixie (Classroom Set)
Horrible Harry and the green slime (Classroom set)