1) Electric Circuit is a) A path for electricity b) A component for electricity c) A way to make bulb 2) Buzzer is the one that ... a) Can spinning b) Produce sound c) Produce light 3) Pick one here that will light up brighter a) One bulb with two batteries b) One battery with two bulbs c) One bulb and one battery 4) Here is the correct statement about how to use electricity safely a) You may touch electric socket with wet hands b) Do not plug in too much cable c) You may touch the broken cable 5) Simple motor can change electric vibration into a) Rotation b) Light c) Sound

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?