自然302

以下哪一個事件與空氣有關?Which of the following events is related to air?

• 將輪胎充氣inflate tires

• 吃棒棒糖eat lollipop

• 游泳swim

樹木的迎風面會生長樹葉嗎?Do trees grow leaves on their windward sides?

• O

• X

哪一種發電的方式應用到空氣?Which method of generating electricity applies to air?

• 火力發電Thermal power generation

• 核能發電Nuclear power generation

• 風力發電wind power

杯口向下壓入水中,杯子中的紙團不會濕掉,原因是?If the mouth of the cup is pressed downward into the water, the paper ball in the cup will not get wet. Why?

• 空氣具有重量air has weight

• 空氣看不見air invisible

• 空氣佔有空間air takes up space

風從北方吹來,我們會說這是吹什麼風?The wind blows from the north, what kind of wind do we say it is blowing?

• 東East

• 西West

• 南South

• 北north

氣體灌入長條形氣球中就變成長條形,這表示空氣的哪個特性?When air is poured into a long balloon, it becomes a long strip. Which characteristic of the air does this represent?

• 空氣具有重量air has weight

• 空氣看不見air invisible

• 空氣沒有固定形狀Air has no fixed shape

The national flag is blown by the wind and spreads out. What kind of wind is this?

• 無風No wind

• 強風
  strong wind

風是怎麼形成的?

• 空氣流動air movement

• 空氣爆炸air blast

• 空氣消失air disappears

風力風向器的紙條(箭頭)可以隨風改變方向,有助於判斷什麼?The paper strip (arrow) of the wind direction indicator can change direction with the wind. What can it help to judge?

• 風力wind force

• 風向wind direction

• 風的強弱The strength of the wind

紙飄向東北方,表示吹哪個方向的風?

• 東北風

• 西南風

• 東南風