Blog

This week’s quiz tests all kinds of knowledge from common construction materials to Australian inventions. Can you get 5/5?

Results

Congratulations! You’re a real science whiz!

Oh dear! Better brush up before the next quiz!

#1. Which sense does a cochlear implant assist?

The cochlear implant is an Australian invention that helps people to hear.

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

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

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

The Kármán line is at an altitude of 100 kilometres.

#4. 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.

#5. Portland cement is typically made from which rock?

Portland cement is typically made by roasting limestone, with a small amount of other ingredients, such as gypsum or clay.

Was I right?

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

 

Black lightning bolt in purple circle

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Your email address will not be published.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 posting a comment you are agreeing to the Double Helix commenting guidelines.

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