What happens when unlike poles of magnets are brought close together?, They repel each other, They attract each other, They break apart, They lose magnetism, What happens when like poles of magnets are close to each other?, They attract each other, They melt, They repel each other, They disappear, The force that causes magnets to attract or repel is called …, Electric force, Gravity force, Friction force, Magnetic force, Why can we see the pattern of magnetic force in the picture?, Because magnets change color, Because iron filings show the magnetic field, Because magnets produce light, Because magnets are heavy, Which material is attracted by a magnet?, A. Wood, B. Plastic, C. Iron, D. Rubber, Where is the magnetic force the strongest in a bar magnet?, A. In the middle, B. On the surface, C. At the poles, D. Everywhere equally, Magnetic force can act over a distance, which means magnets can …, A. work only when touching, B. attract or repel without touching, C. change shape, D. stop moving, Magnetic force can act over a distance between …, magnets only, magnets and plastic, magnets and magnetic materials, all kinds of materials, In the picture, what does the magnet attract without touching it?, Plastic pieces, Iron nails, Paper clips made of rubber, Wooden sticks, What makes a maglev train “float” above the tracks?, Air pressure, Gravity force, Magnetic force, Electric shock, Why can maglev trains travel at very high speeds?, The tracks are made of iron, The train is very heavy, There is less friction with the tracks, The train uses wheels, Why is the distance between the “floating” train and the tracks important?, To make the train look bigger, To save electricity, To keep the magnetic force working properly, To change the train’s color, What does magnetic strength mean?, The color of a magnet, How heavy a magnet is, How strong a magnet’s force is, The shape of a magnet, Magnets with greater magnetic strength can …, lift heavier magnetic materials, change into electricity, melt metal, lose their magnetism quickly, A strong magnet can attract objects from …, only very close distance, a greater distance, inside water only, no distance at all, Based on the picture, what can a strong magnet attract?, Paper and wood, Plastic toys, Iron balls and nails, Glass and rubber, Why do iron balls move toward the magnet in the picture?, Because of gravity, Because of wind, Because of magnetic force, Because of heat.

REFLECTION MAGNET

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