Search results

Listed under:  Science  >  Forces and energy  >  Mechanical energy  >  Motion  >  Rotational motion  >  Orbits
Video

Earthshine

This six and a half minute video segment from Catalyst explains Earthshine as light from our own Earth reflected back from the Moon's dark side. A PhD student is studying it to learn about how light reflects from a planet that contains liquid water as well as land. Her work may one day lead to the discovery of other planets ...

Interactive

Catchment Detox

Students play the game and make decisions about the development of a catchment with competing economic and environmental demands. Students receive feedback on how sustainably their catchment has been managed.

Interactive

Aboriginal astronomy

This resource is designed to support the teaching of Australian Aboriginal astronomy in Stage 3. It includes many examples of how Aboriginal people used their knowledge of astronomy to manage daily activities, such as food gathering and ceremonial activities. It also highlights how they explained the origins of many features ...

Interactive

Uses of Satellites

Students use this resource consisting of five slides with diagrams, written explanation and voice-over to understand some uses of artificial satellites including geostationary satellites. Uses identified include telecommunications, weather forecasting and spying. There is a two-question quiz and a summary slide.

Video

Catalyst: Why do astronauts float in space?

Have you wondered what it would be like to be an astronaut floating around in the International Space Station? In this clip, Catalyst's Dr Derek Muller investigates what causes this weightlessness in space. Derek challenges some people visiting the Powerhouse Museum in Sydney to explain why they think astronauts float. ...

Video

Phases of the moon

Can you name the different phases of the moon? Watch this video and learn about the phases, how long a full lunar cycle is and why the moon looks larger at times.

Video

Catalyst: Scaling down our solar system

Can you imagine how huge the Sun is, or how far away planets such as Saturn are? Watch this clip to discover how 'mind-bending-ly big' the solar system is. Presenter, Bernie Hobbs, scales down the the solar system to fit into a football field to demonstrate the relative sizes and distances of the Sun and planets. Find out ...

Interactive

Gravity and orbits

This is an interactive resource about gravitational forces and orbits. Students can move the sun, earth, moon and space station to see how it affects their gravitational forces and orbital paths. They can visualize the sizes and distances between different heavenly bodies, and turn off gravity to see what would happen without ...

Interactive

Seasons

Control the motion of the Earth in its orbit around the Sun. Work out how the Earth’s orbit and the tilt of its axis determine seasons in the different hemispheres. Work out how the Earth’s orbit and the tilt of its axis determine day length in the different hemispheres. Examine the heating effect of the Sun. Compare seasons ...

Interactive

Earth rotation: night and day

Watch an animation of the Earth rotating in space showing day and night, the equinox where locations on Earth experience close to equal hours of daytime and night-time (12 hours) and views of the Earth from above the North and South Poles. Turn an animated model of the Earth to explore how rotation is related to night and ...

Interactive

Light and shadows

Look at how a tree makes a shadow during a sunny day. Notice that objects always casts shadows that face away from the Sun. Examine how the shape and position of a shadow is related to the time of day and position of the Sun. Explore the shadows cast by different objects such as a bike, an umbrella and a child. Position ...

Interactive

Pushing and pulling

Move animals from a boat to their new home in a zoo. Put them on a cart, then use monkeys to push or pull them up a hill. Use the minimum amount of force needed to move each animal. For example, use a single monkey to push a pelican or use three monkeys to pull a zebra. This learning object is a combination of three objects ...

Image

Orrery, c1770 - part 2

This is a mechanical model of part of the solar system, commonly known as an orrery, manufactured by English mathematician and 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 ...