Teaching overview

Learning points

  • Asteroids are rocky objects that orbit the Sun, and there are millions of them in our solar system.
  • If an asteroid has an orbit that brings it close to Earth, it’s called a Near Earth Object.
  • Powerful telescopes are used to identify and track Near Earth Objects. Hundreds of new asteroids are discovered every year.

Curriculum keywords

  • Space
  • Solar system

Read the story

An asteroid the size of a multi-storey building zoomed by Earth last week, just two days after it was first discovered. The asteroid, named 2017 AG13, passed within 200,000 kilometres of our planet – that’s closer than the Moon!

View the article

Share with students

Spark a discussion

  • What is the asteroid belt, and where is it located?
  • What are Near Earth Objects, and why is it important to find and track them?
  • What happened at Chelyabinsk in 2013?

Twig Science: A Complete Pre-K–8 Program for the NGSS

Immersive Investigations with High-Quality Multimedia

  • Investigating, designing, building, and understanding phenomena
  • Hands-on, digital, video, and print investigations
  • Synchronous/asynchronous distance learning