1) Tooth paste is from food goods a) b) 2) The lamp gives us sound energy a) b) 3) The wood is attracted to the magnet a) b) 4) The compass helps us to know the four directions a) b) 5) Sunrises in the east a) b) 6) Appliances need electric energy to work a) b) 7) Refrigerator keeps food cold a) b) 8) Magnet is a black iron rock a) b) 9) Taste helps us to know if the things are sweet or sour a) b) 10) If you see green light, you should stop a) b)

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