Many Answers

Junior Secondary (Years 7 - 10)

Renewable energy comes from natural sources like the sun, wind, water and natural gas. Non renewable energy comes from fossil fuels like oil, gas and coal. R...

Senior Primary (Years 5 - 8)

Renewable energy comes from natural sources such as the sun, wind and water. These sources are sustainable as there is no risk of them running out. Using ren...

Senior Primary (Years 5 - 8)

Sustainability is a way of living, which means meeting our needs without using up all the resources that future generations will need. Sustainable energy, fo...

Senior Primary (Years 5 - 8)

Oil and gas are fossil fuels which means they are formed from fossils, which are the remains of animals and plants that lived long ago. Fossil fuels are used...

Senior Secondary (Years 11 - 13)

A sustainable situation is one that can continue. Examples of sustainability include an environment that can maintain a certain level of biodiversity, or an ...

Junior Primary (Years 1 - 4)

A food chain refers to the order in which living things, such as plants and animals, depend on each other for food. For example, an eel eats a small fish, wh...

Junior Secondary (Years 7 - 10)

Nuclear power is another source of power like wind, water or solar power. It is a cheap, reliable and clean source of energy, however the biggest disadvantag...

Senior Primary (Years 5 - 8)

Food gives us energy, it helps us grow and it tastes good. We can get sick if we don't eat the right amount or right kind of food, or if we don't prepare it ...

Senior Secondary (Years 11 - 13)

Everything on earth and everything in the universe moves and interacts, and forces play a big part in that. Physics studies those forces and interactions. Ph...

Senior Primary (Years 5 - 8)

Floating and sinking are about weight and the force or upthrust of water. When an object is put into water the force of the water pushes it up. If the weight...