Science / Year 7 / Science Understanding / Physical sciences

• TLF-IDA003920

This activity invites students to explore balance and stability by designing and building whimsical kinetic sculptures that tilt, slide, and suspend everyday objects and ordinary materials into surprising arrangements. Students explore stability, centres of gravity, balanced forces and symmetry through this hands-on, tactile ...

• TLF-IDA002082

This resource provides a scaffold for students to complete a design challenge. The design challenge requires students to create a stomp rocket that can travel to a chosen planet in the solar system. The design challenge can also be used to investigate forces and energy. It can be delivered over a number of lessons, or it ...

• TLF-IDA002079

In this resource, students investigate and measure the conditions of planet Earth. They explore temperature, gravity and the needs of living things. Students also discuss how some conditions on Earth are constant, while other conditions regularly change, and how living things have adaptations to survive these changes.

• TLF-IDM015950

Want to find out what happens when you drop a watermelon and an apple from the top of a building? In this clip, Bernie Hobbs and Ruben Meerman, investigate whether the mass of an object influences how fast it falls. Bernie and Ruben ride the 'Giant Drop' at Dreamworld, drop a watermelon and apple from an eighth floor balcony, ...

• TLF-IDM017994

How did the ancient Egyptians move and lift huge stones during construction of the pyramids? Secondary student Angus Atkinson designed an experiment to find out how the lives of pyramid workers could have been made easier. See how as you watch this video, which he entered in the 2013 Sleek Geeks Eureka Science Schools Prize.

• TLF-IDM018812

The water cycle is the circulation of water on, in and above Earth and it involves a number of stages and changes of state. This clip describes the water cycle and also how modern technology has contributed to our understanding of the shape of raindrops and its relationship to precipitation. Discover how raindrop shape ...

• TLF-IDM015553

Will a medicine ball or a basketball hit the ground first when dropped at the same time from the same height? In this clip, Catalyst's Dr Derek Muller investigates what influences the speed at which objects fall. Derek challenges some people in a market to make a prediction and explain their thinking, before he finally ...

• TLF-IDM015938

Did you know that the shape of an object can affect its strength? Watch as Ruben Meerman tests two columns of different shapes to see which can carry the greater load. Consider how engineers might use this information to build tall structures.

• TLF-IDM015768

Have you ever seen someone create a rocket using a soft drink bottle? In this clip, Surfing Scientist Ruben Meerman attempts to 'supersize science'. You will find out how he made a model rocket and see slow-motion footage of the rocket as it shoots up into the sky.

• TLF-IDM016099

Be astounded as you watch Ruben the Surfing Scientist make an aluminium soft drink can balance at 45 degrees and rotate in a circle, as if by magic. Learn about the science behind this trick.

• TLF-IDM016721

This resource contains lessons plans containing instructions and teachers' notes for fun experiments focusing on the science of flight. Try them in your classroom and watch Elliot and the Surfing Scientist tackle them on Roller-coaster. A wide ranges of activities with clear directions and illustrations based on a range ...

• TLF-IDM016383

A single web page resource developed with the NRMA containing links to sites and other resources about hybrid vehicles, low emission fuels and sustainable transport.

• TLF-IDM016459

Students use this resource consisting of seven slides with diagrams, written explanation and voice-over to understand how the movement of planets around the sun is related to gravitational forces. There is a two-question quiz and a summary slide.

• TLF-IDM016520

In this resource students explore how an electromagnet works in real life. They can then apply their learning in an electromagnetism game by changing the magnetism of a scrap lifter in a scrap yard and removing various amounts of scrap. The resource demonstrates the connection between the power applied, the number of coils ...

• TLF-IDM015435

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. ...

• TLF-IDM016294

This resource contains a materials and instruction list and brief explanation for students about the process of making a straw that can produce vibrations when blown through.

• TLF-IDM016617

This resource contains a materials and instruction list and brief explanation for students to show that keys on a shoelace can do some unexpected things.

• TLF-IDM016557

Students use this resource consisting of a webpage with diagrams of three cars that students can vary the speed at which they are travelling. They can calculate the time to travel 3000m and then observe the cars as they travel the distance. This demonstrates how to work out the speed of a moving object and how to make calculations ...

• TLF-IDM016727

This resource contains lessons plans containing instructions and teachers' notes for a lesson that can be part of a unit on flight or used as a great motivating activity to foster positive attitudes. The clear and explicit instructions are a good example of a procedural text. The notes also provide a clear explanation of ...

• TLF-IDM016612

Students use this resource consisting of one page with a diagram of a lever whose length can be varied. A weight is then applied to the lever and students can see whether the force was sufficient to lift a crate. This demonstrates that forces can cause a lever to turn about a pivot and that the turning effect of a lever ...

• TLF-IDA002724

In this lesson students build a simple Pong game in Scratch and consider the physics involved in the game play. They then apply their understanding of force and motion to design their own video game concept. The resource includes links to downloadable lesson plan, websites, videos, apps and an assessment rubric. The lesson ...

• TLF-IDM015434

Some say landing on the moon is as one of humanity's greatest achievements. Learn about the history of the moon landing and some of the challenges faced by scientists. See actual footage of the astronauts on the moon as part of the Apollo 11 mission.

• TLF-IDM021086

Watch this clip and learn why Pluto was taken off the official list of planets. Dr Karl Kruszelnicki explains the three criteria that must be met before planets can be called planets. What are they?

• TLF-IDM021125

What does 'horsepower' really mean? And how do engines work? Join Luke and Abhi from MIT to find out! As Abhi explains, engines produce power by forcing a mixture of fuel and air into a tight space and then burning it. Piston engines and turbine engines do this in similar, yet different ways. After watching this video, ...

• TLF-IDM018847

The Moon is a familiar object in the night sky and impacts life on Earth as it orbits our planet. Watch this animation showing how the moon has changed since its formation 4.5 billion years ago. See how the Moon's surface altered over time as volcanoes and asteroids created the basins and craters present on the Moon today.

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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.

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This resource for educators and students details a do-it-yourself podcast activity that gives students the opportunity to host a show featuring astronauts conducting experiments on the International Space Station, or NASA experts explaining scientific concepts. A set of NASA audio and video clips is provided, along with ...

• TLF-IDM012018

This is an interactive resource that explores the International Space Station through a Station Spacewalk Game in which participants conduct virtual NASA repair work on the International Space Station. In the game, participants leave the airlock and complete tasks executed by astronauts to help power up the space station ...

• TLF-IDM011993

This is a NASA 'Our World' video clip focusing on the different ways that astronauts on the International Space Station use technology to communicate with ground staff and others on Earth. The narrators include the puppet Lily and actual astronauts on the space station. Different modes of communication include radio contact, ...

• TLF-IDM025127

Can you guess how many sunsets and sunrises an astronaut on the International Space Station sees every 24 hours? Sixteen! Imagine seeing all those spectacular colours so many times a day (even if the view lasts only a few seconds as they zoom by). Find out exactly why sunrises and sunsets are red, orange and golden but ...

• TLF-IDA002139

An interactive map of traditional weather and climate knowledge that has been developed and passed down through countless generations by Aboriginal and Torres Strait Islander people. The site provides descriptions of the sixteen seasonal calendars used by First Nations peoples across Australia.

• TLF-IDM016243

This resource contains a materials and instruction list and brief explanation for students about the process of creating a propeller using two bendy straws and a pair of scissors. A simple demonstration of one of Newton's Laws.

• TLF-IDM016543

Students use this resource consisting of five slides with diagrams, written explanation and voice-over to understand how the movement of the Earth causes day and night, the apparent daily movement of the Sun from east to west and the orbit of the Earth over one year. There is a two-question quiz and a summary slide.

• TLF-IDM016570

This is a non-threatening ten question multiple choice quiz that gives students feedback on their understanding of our solar system that continues to reveal amazing facts and inspire some out-of-this-world fantasy. Excellent explanations given in the feedback. A useful resource to stimulate discussion or establish student ...

• TLF-IDM016472

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 ...

• TLF-IDM016337

Students use this resource consisting of eight slides with diagrams, written explanation and voice-over to understand that the moon is a natural satellite of the Earth and how satellites stay in orbit around the Earth. There is a two-question quiz and a summary slide.

• TLF-IDA002080

This resource provides a scaffold for students to undertake a simple experiment. Students use a world globe and a heat lamp to investigate how the tilt of the Earth’s axis causes the seasons.

• TLF-IDM021343

Wing loading is a measurement that relates the mass of an aircraft or bird to the total wing area. This resource provides an interactive for students to compare flight capabilities of planes with birds, matching those that are the most similar.

• TLF-IDL51

Investigate the braking efficiency of cars and trucks. Test stopping distances under controlled conditions. Compare effects of vehicle type, tyres, road surface and weather conditions. Choose driving speed, then apply brakes and compare stopping distances. Answer questions about friction, tyres and driver fatigue. This ...

• TLF-IDL696

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 ...

• TLF-IDL5774

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 ...

• TLF-IDM012117

This is a reference resource for teachers that consists of a single web page providing visual and written information about the location of, and hazards associated with, space debris. This space junk includes old non-functional satellites, as well as parts of and debris from satellites, spacecraft and rockets that continue ...