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It’s our 2019 megaquiz!

By David, 2 January 2019 Quiz

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!

#1 Where does asbestos come from?

Asbestos is a type of mineral with long fibrous crystals. If inhaled they can cause life threatening diseases.

#2 Octane is a chemical often found in petrol. How many oxygen atoms are there in each molecule of octane?

There is no oxygen in octane! An octane molecule is made of eight carbon atoms and 18 hydrogen atoms.

#3 What kind of scientist is most likely to study an igneous intrusion?

An igneous intrusion is where molten rock comes up through the crust. Rocks are studied by rock scientists – geologists!

#4 What is the name for the region around a black hole that nothing can escape from?

The event horizon is the point of no return around a black hole, which nothing can escape from.

#5 Compare two earthquakes, a magnitude 4 and a magnitude 6 on the moment magnitude or ‘Richter’ scale. How much more energy does the large one have?

A unit on the moment magnitude scale represents 32 times more energy. So a difference of two is about 1000 times more energy!

#6 During the time of the dinosaurs, was the Sun brighter, dimmer or the same as now?

Millions of years ago, when dinosaurs roamed Earth, the Sun was slightly less bright.

#7 What is the name for the iconic fin on top of a shark?

Dorsal fins are the fins on the back of fish, such as the iconic fin on top of a shark.

#8 What is the maximum number of right angles that can be found in a triangle?

The angles in a triangle must add up to 180 degrees. As a right angle is 90 degrees, and a triangle has three angles, the maximum must be one right angle. Otherwise, if there were two 90 degree angles, it would add up to 180 degrees and there would be nothing left for the third angle.

#9 How many legs does a butterfly have?

Butterflies are insects, and like all insects, they have six legs.

#10 Where do trees get most of their carbon atoms from?

Trees absorb carbon atoms from the air in the form of carbon dioxide. The carbon is then used in photosynthesis, to make sugars.

Was I right?

Results

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3 comments

  1. Question 10: I think you should specify that said triangle is on a flat plane, since it’s possible to have more than one right angle on different planar geometries.

      Reply
  2. Oh, I didn’t realise the questions change on each reload – my previous comment was in regards to the maximum number of right angles that a triangle can have.

      Reply
  3. Yup, on a sphere you can have three right angles – on the Earth, Singapore, Kinshasa and the South Pole makes a triangle with three almost-right angles!

      Reply

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