Fossil fuels are fuels made over millions of years from fossilised plants and animals buried deep beneath Earth's surface.

Carbon dioxide is a type of gas found in Earth's atmosphere.

Sustainable means using things in a way that doesn't use them up or harm the environment, so they can be used again in the future.

Biofuels are fuels made from plant materials.

Burning plants as fuel (non-statutory Climate Change & Sustainability)

Science

Properties of materials

Uses of everyday materials

Thermal insulators: plan

Thermal insulators: do and review

Everyday uses of thermal insulators

Insulating our homes and schools (non-statutory Climate Change & Sustainability)

Soluble and insoluble

Recovering insoluble solids

Providing safe drinking water (non-statutory Climate Change & Sustainability)

Separating soluble solids from solutions

Removing salt from seawater (non-statutory)

Reversible changes of state

More reversible changes

Burning: an irreversible change

Greenhouse gases (non-statutory Climate Change & Sustainability)

Bioplastics (non-statutory Climate Change & Sustainability)

Rusting: an irreversible change

More irreversible changes

How scientists work

In this Properties, changes and separating materials unit, pupils learn to decide how mixtures might be separated, including through filtering, sieving and evaporating. In the Materials challenge unit, they will build on this knowledge to apply their understanding of separating materials to a wider range of everyday situations

In the Everyday materials unit, pupils learnt to compare and group together a variety of everyday materials on the basis of their simple physical properties. In this Properties, changes and separating materials, pupils will build on this knowledge to compare an group together everyday materials on the basis of a wider variety of properties

This unit explores the properties of everyday materials, including hardness, solubility, and conductivity. It covers reversible changes like dissolving and mixing, and irreversible changes such as burning. Emphasis is on scientific enquiries, data recording, and presenting findings with evidence.

Properties, changes and separating materials

Physical activity and equipment requiring safe use

Which type of professional would investigate which plants are the best ones to grow for 'biofuels'?

Scientists research alternative types of fuel because there is a limited amount of {{}} fuel left.

Plants are a {{}} source of fuel as we can keep growing more.

When a substance burns it often produces a {{}}.

How can you reverse the process of freezing a material?

Which of these is **not** in the fire triangle?

Match the process to whether it is reversible or irreversible.

some new products are formed but the original product still exists

Match the product formed by each of these processes:

Starter Quiz

When a substance burns it often produces a .