1) Which force keeps us on the ground a) Air  b) True c) False d) Gravity e) Water 2) Squishing a can is an example of a) Squishing a can b) Compression c) resistances 3) Flying a plane is an example of a) Falling b) Air resistance 4) A coin falling off a building is affected by a) air b) gravity 5) Running while feeling the wind is a) Air resistance b) compression 6) Crushing a foam block is a) electric b) gravity c) compression 7) A book falling onto a table is affected by a) Gravity b) graveteee 8) Riding a bike a down hill is an example of a) Air resistance b) gravity c) compression

Ok

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?