2017 Grade 4 Elementary-Level Science Test Questions 21-30

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Which material is the best conductor of electricity?

A student removes a tray of ice cubes from a freezer on a warm day. The water in the tray is solid and cold. The student forgets to put the tray back into the freezer. The next day, the water in the tray most likely would be

In order to light the bulb, another wire should be connected between

Which two characteristics describe a gas?

When the marble is placed into the cup of water, the marble most likely will

Which force produces heat as the tires of a school bus rub against the road?

Which object will reflect the most light?

Which form of energy does the wood contain so that the fire will burn?