Need a breather? Time for a quiz! While you might know a little about your own breathing, what do you know about how tadpoles breathe? Time to test your knowledge on this and other science topics.
Results
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#1. How do tadpoles breathe?
Tadpoles have gills, which they lose when they turn into frogs.
#2. At a particular temperature and pressure, water reaches its triple point, but what does that mean?
The triple point of water is the temperature and pressure that allows water to be steam, liquid and ice all at the same time.
#3. Which of the following is the densest?
Tungsten is a very dense metal. One litre of tungsten weighs more than 19 kilograms!
#4. What type of chemical is gluten?
Gluten is a group of proteins that are found in wheat.
#5. Which of the inner planets has the thickest atmosphere?
Venus’ atmosphere is very thick. At Venus’ surface, the atmosphere is about 100 times thicker than Earth’s at sea level.
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