This quiz is all about growth! Can you grow your knowledge and get the high score?
#1. In which season is the Eiffel Tower in France the tallest?
The Eiffel Tower is made of steel and steel expands when it’s hot. As a result, it can be about 15 centimetres taller in summer than winter.
#2. How much does a baby blue whale grow each day?
For the first 6 to 8 months of its life a baby blue whale will feed on its mother’s fatty milk, averaging a gain of about 90 kilograms per day.
#3. What event created the mountain Parícutin in the years 1943–52?
In 1943, a Mexican farmer noticed a smoking hole in his field. Over the next 9 years, Parícutin erupted again and again, growing to 424 metres high!
#4. The bacteria Vibrio natriegens is famous for growing fast. How long does it take to double in population?
Vibrio natriegens can double in population in only 10 minutes, which is why many scientists are using it for their experiments.
#5. True or false? The Sun is slowly growing larger but it’s losing mass.
True. While the Sun is losing almost 6 million tons of material every second, its radius is slowly getting bigger.
Congratulations! You are a real science whiz!
Oh dear! Better brush up before the next quiz!
If you’re after more fun science for kids, subscribe to Double Helix magazine!