1) What are forces? a) When the two forces are equal b) Make things move or stay still c) An object or a person makes things move by touching d) When the two forces applied are equal 2) Non contact forces move… a) Without touching b) Pushing or pulling c) By touching 3) Balanced forces are… a) Without touching b) When two forces aren’t equal c) When two forces applied equal 4) Magnetinsm is a.. a) Non-contact force b) Contact force c) Unbalanced force 5) When the same poles are together they… a) Atract b) Repel c) Appear 6) All the magnets have a ………… to atract metal things a) Metal b) Magnet field

排行榜

视觉风格

选项

切换模板

恢复自动保存: