Blog

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!%20you%20are%20a%20real%20science%20whiz!

Oh%20dear!%20Maybe%20you%20should%20reload%20the%20page%20and%20try%20a%20new%20quiz!

#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.

Previous
Was I right?

If you’re after more fun science for kids, subscribe to Double Helix magazine!

 

Black lightning bolt in purple circle

Categories:

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

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

By submitting this form, you give CSIRO permission to publish your comments on our websites. Please make sure the comments are your own. For more information please see our terms and conditions.

Why choose the Double Helix magazine for your students?

Perfect for ages 8 – 14

Developed by experienced editors

Engaging and motivating

*84% of readers are more interested in science

Engaging students voice