Question 5
Work in pairs. Pour 100 cm³ of warm (not boiling) water into a beaker. Place a metal teaspoon and a plastic teaspoon into the beaker and leave them for three minutes.
Caution: Do not use water that is too hot. Use caution when testing the temperature of the spoons to avoid getting burns.
Diagram labels / Nhãn hình: beaker = cốc thủy tinh; warm water = nước ấm; metal teaspoon = thìa cà phê kim loại; plastic teaspoon = thìa cà phê nhựa.
Predict what will happen to the temperature of each spoon.
Caution: Do not use water that is too hot. Use caution when testing the temperature of the spoons to avoid getting burns.
Diagram labels / Nhãn hình: beaker = cốc thủy tinh; warm water = nước ấm; metal teaspoon = thìa cà phê kim loại; plastic teaspoon = thìa cà phê nhựa.
Predict what will happen to the temperature of each spoon.
