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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

Congratulations! you are a real science whiz!

Oh dear! Maybe you should reload the page and try a new quiz!

#1. 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.

#2. Where in our bodies are red blood cells made?

Red blood cells are made by bone marrow, the softer tissue inside large bones.

#3. What colour are the hottest stars?

The hottest stars are blue supergiants, which can have surface temperatures around 30 000 degrees Celsius. Our Sun is a yellow star that has a surface temperature around 5500 degrees Celsius.

#4. How fast is the International Space Station moving as it orbits Earth?

The International Space Station orbits Earth once every 93 minutes. That means it’s travelling at more than 27 600 kilometres per hour!

#5. Which of these Australian mammals weighs the most?

Red kangaroos can weigh up to 90 kilograms, as heavy as an adult human!

#6. 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!

#7. Panthera leo is a large, deadly animal. What is its common name?

Panthera leo is the scientific name for the lion.

#8. Which of these lizards does not live in Australia?

Green iguanas live in the Americas, not Australia.

#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. The Kármán line separates Earth from space. How far up is it?

The Kármán line is at an altitude of 100 kilometres.

Was I right?

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5 responses

  1. Martin Towell Avatar
    Martin Towell

    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.

  2. Martin Towell Avatar
    Martin Towell

    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.

  3. David Avatar
    David

    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!

  4. Brielle Quinn Avatar
    Brielle Quinn

    Great quiz!??

  5. Robby Campano Avatar
    Robby Campano

    Cool

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