Science / Year 10 / Science Understanding / Earth and space sciences

• TLF-IDM021201

This short video offers an overview of The Big Bang - the unanswered questions about what preceded it, and the existence of space and time after it, as well as matter and energy. The forms that energy and matter then took is explained.

• TLF-IDM020920

Have you heard of the Southern Cross? It's a constellation (a grouping of stars) that can be found in the southern hemisphere. What does it look like? See if you can follow the tips from this video and find it in the sky at night!

• TLF-IDM021203

This short video gives an overview of the emergence of the first atoms, hydrogen and helium, 380,000 years after the Big Bang. The effects of gravity led to tiny variations in the density of matter throughout the Universe, which in turn became heated, resulting in fusion and the emergence of the first stars, galaxies, and ...

• TLF-IDM016690

This 10 minute video segment from Catalyst explains why the telescope is located where it is and relates it to the properties of light.

• TLF-IDM016296

This friendly chat helps to break down some stereotypes about scientists. Jacinta Delhaize travelled to Chile and work at the Gemini South Observatory in the Andes Mountains. She talked about her experience with high school students and for this received the Science Student of the Year award in 2008. Her PhD researches ...

• TLF-IDM016186

This is a ten question multiple choice quiz that gives students feedback on their understanding of about the nature of the night sky and the universe. A useful resource to determine what students already know or to promote discussion. Feedback provides some excellent explanations.

• TLF-IDA003050

Stellarium provides a web-based version of a planetarium that allows users to explore what's visible in the sky from any location in the world. It calculates the positions of the Sun and Moon, planets and stars, and draws how the sky would look to an observer depending on their location and the time. It can also draw the ...

• TLF-IDM019535

This interactive simulation explores the effect of greenhouse gases and clouds on sunlight, infrared radiation, and surface temperature of the Earth. In a series of simulations students explore why greenhouse gases affect the temperature; they compare and contrast the behaviour of sunlight and infrared radiation; investigate ...

• TLF-IDR6384

This is a close-up of a mechanical model of part of the solar system, commonly known as an orrery, made by renowned London instrument maker Benjamin Martin in about 1770. This bronze model features a cylindrical clockwork mechanism with an orb representing the Sun placed in the centre. Extending from this on an arm is a ...

• TLF-IDA004624

Space exploration demands technological advances that enable survival in extremely harsh environments. In this lesson, students will explore contemporary spacesuit design and create their own representation of the suit’s thermoregulation system.