Unscramble the letters and write the names of these scientific instruments.
Which city is called the "Windy City"?
Which is the tallest vehicular bridge in the world?
The United Nations Organisation (UNO) was established in which year?
Who was the first woman President of the UN General Assembly?
What is the national flower of the USA?
The National Diet is the parliament of which country?
Which gas is used in fluorescent lamps and electric signs?
Which mineral is the main source of aluminum?
Which country is known as the "Land of the Rising Sun"?
Which country is referred to as the "Land of White Elephants"?
Which bridge connects Manhattan and Brooklyn?
Which country is known as the "Land of Spices"?
What is the background color of the United Nations flag?
How many permanent members are there in the UN Security Council?
Which is the national fruit of Iran?
The Knesset is the parliament of which country?
Which gas is used in hot-air balloons?
Which element is the most abundant in the Earth's crust?
What is the hardest known natural substance?
Which mineral is the main source of aluminum?
Which device is used to measure atmospheric pressure?