小一常識(家中的物料和能源)

冰箱是用( )來操作的。

Refrigerators are operated by ( ).

• 煤氣 Gas

• 電 Electricity

• 石油氣 Liquefied petroleum gas

• 天然氣 Natural gas

地球資源是無限的，還是有限的？ Are the resources on earth unlimited or limited?

• 無限的Unlimited

• 有限的Limited

當我們不用電燈時，我們可以怎樣做？What can we do when we do not use electric lights?

• 繼續開啟 To keep the lights on.

• 把燈光調暗 To dim the lights.

• 把燈光調亮 To turn the lights brighter.

• 關燈To turn off the lights.

以下哪些不是節約能源的方法？Which of the following ways can not save energy?

• 選用慳電膽 Use LED light bulbs

• 用風扇代替冷氣Use the fan instead of the air conditioner

• 一直打開冰箱 Leave the refrigerator door open all the time

• 購買節能電Purchase energy-efficient appliances

以下方法，我們不可以用來分辨不同的物料?

The following methods can not be used to distinguish different materials?

• 看seeing

• 聽hearing

• 觸摸touching

• 味覺tasting

如果閉上眼睛，我們可以怎樣分辨木和金屬？（選取正確答案，正確答案可多於一個）If we close our eyes, how can we tell whether the item is wood or metal? (Choose the correct answer. There may be more than one answer.)

• 金屬比木軟 Metal is softer than wood.

• 敲打物料時，只有金屬會發出清脆的聲音 Only metal gives a ringing sound when it is hit.

• 金屬看起來是閃亮的 Metal is shiny.

• 以上皆非None of the above