1) Simple machines help us with our work. a) That's true!! b) Noooo! 2) This is a simple machine. a) b) 3) Simple machines make work... a) difficult b) easy 4) An inclined plane is a type of complex machine. a) True!! b) FALSE! 5) We use the wedge to cut food in the kitchen a) b) 6) Complex machines are made of with simple machines. a) YES! b) NOOO! 7) Is this an example of a complex machine? a) Yes, it is. b) No, it isn't. 8) Can we find a lever in scissors? a) Yes, we can. b) No, we can't 9) Some complex machines need electricity. a) b) 10) This is an example of a complex machine that needs energy from batteries. a) YES b) NO 11) So... what kind of energy does it need? a) Energy from people b) Energy from batteries c) Energy from electricity

Machines

印刷
埋め込み

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?