1) Lightening is a form of electricity a) True b) False 2) Protons have a .. a) Positive charge b) Negative charge c) Both 3) If you turn off a switch a) You break the circuit b) The circuit carries on working 4) Water is a .... conductor a) Good b) Bad 5) Electrons stay still a) True b) False 6) Which material is not a good conductor a) Copper b) Rubber c) Plastic 7) What is a material that lets electricity flow through it? a) Conductor b) Insulator

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?