Get into 2019 with this brain work out! This megaquiz will test your knowledge of all the quizzes we wrote in 2018. The questions are randomly selected, so if you want more questions, you can just reload the page!
Results
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#1. What does a dendrochronologist study?
1. Dendrochronologists study tree rings to work out exactly when the tree lived and died.
#2. What is a meteoroid?
A meteoroid is a small lump of rock in space. A meteor is a streak of light from space rock burning up in the atmosphere, and a meteorite is any space rock that’s made it to the ground on the surface of a planet or moon.
#3. If you put a 20 cent coin flat on a table, how many 20 cent coins can you place flat on the table around the edge of the original coin?
Circles of the same size fit together tightest in a hexagonal pattern, with six circles around each circle.
#4. How many hearts does an octopus have?
Octopuses have three hearts – one to pump blood around the body, and one each for its two gills.
#5. Where does the space company Rocket Lab launch rockets from?
Rocket Lab has a launch site on New Zealand’s North Island.
#6. Which of the following animals dives deepest?
Cuvier’s beaked whales can dive almost three kilometres below the surface of the ocean.
#7. What colour is the Cherenkov radiation glow surrounding the OPAL reactor at Lucas Heights?
Cherenkov radiation appears blue, although it’s mostly ultraviolet light.
#8. Which of the following did Alfred Nobel, the founder of the Nobel Prize, invent?
Alfred Nobel was an expert in explosives and invented dynamite and gelignite.
#9. When weighing mosquitoes, how many do you need to make a gram?
Mosquitoes typically weigh about 5 milligrams each, so it takes about 200 to make a gram.
#10. If you want a pendulum to swing more frequently, which of these factors will make the most difference?
The length of a pendulum is the main factor that determines how long a swing takes.
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