A Bunsen burner heats up the end of a metal rod ... what happens next? Physical processes -Energy and energy transfer - Heat transfer A Twig Tidbit Film - What happens next? A short section of film is played and the children have to...

True or false ... Friction generates heat? Physical processes -Force and motion - Friction Learning Points Friction generates heat energy. A Twig Tidbit Film - True or False? The children have to determine if a statement is true or false.

What chemical and physical changes are at play in cake baking. Material processes - Changing materials - More chemical reactions Learning Points Chemical changes are usually irreversible. Physical changes are usually reversible. Chemical...

Four images associated with burning are shown onscreen, but which is the odd one out and is not needed to start a fire? Material processes - Changing materials - Burning Learning Points An exothermic reaction releases heat energy. A Twig...

Find out the different ways an asteroid's energy is transformed. Physical processes - Energy and energy transfer - Energy transformation Learning Points There are many types of energy. Energy can be transformed into different types....

Find out how diamonds are formed within igneous rock. Material processes - Classifying materials - Rocks Learning Points Diamonds are formed under extreme heat and pressure. Diamonds are tight interlocking crystals and are usually very...

Six clips are shown on screen ... can you spot the examples of energy transfer? Physical processes - Energy and energy transfer - What is energy? Learning Points Light, heat, electricity and sound are types of energy. A Twig Tidbit Film...

Did you know that greenhouse gases in the atmosphere prevent heat from escaping? People and places - Future of energy - The energy debate Learning Points Carbon dioxide is a greenhouse gas. A Twig Tidbit Film - Did you know? A...

Find out what makes a mixture, and what happens when materials react chemically. Material processes - Separating mixtures - What is a mixture? Learning Points A mixture is formed when different materials are combined without chemical...

Journey to the Galapagos to see how cold-blooded iguanas keep themselves warm. Physical processes -Energy and energy transfer - Heat transfer Learning Points The Sun's heat energy travels to Earth as infrared radiation. Convection:...

How do insulators manage to keep the heat both in and out? Material processes - Changing materials - Insulation Learning Points Insulators do not allow energy to pass easily through them. Thermal insulators do not allow heat energy to...

How do these flasks work to keep drinks at a constant temperature? Material processes - Changing materials - Insulation Learning Points Thermal insulators do not allow heat energy to flow easily through them. Vacuums are insulators...

Find out how to construct a series circuit. Physical processes - Electricity and magnetism - Series and parallel circuits Learning Points Series circuits connect components along a single path. Greater amounts of components in a circuit...

An insight into how our bodies maintain a constant internal temperature – no matter the temperature of the surroundings. Physical processes -Energy and energy transfer - Heat and temperature Learning Points The average internal human...

Erupting volcanoes are a captivating example of materials changing state. Material processes - Solids, liquids and gases - Changes of state Learning Points Molten rock underground is called magma. Molten rock on the surface of the Earth...

What are the three factors needed to make something burn? Material processes - Changing materials - Burning Learning Points Burning is a chemical reaction. Burning requires oxygen, a fuel source and heat. An exothermic reaction releases...

Fireworks are a feast for the senses, but what creates those amazing colours? Material processes - Changing materials - Burning Learning Points Burning requires oxygen, a fuel source and an ignition source. Burning is a chemical...

Discover that heat energy can turn a solid metal into liquid. Physical processes - Energy and energy transfer - Heat and temperature Learning Points Heat energy always travels from a hotter to a cooler area. Heat energy causes molecules...

Discover why Earth is the only planet where life is known to exist. Physical processes -The Earth and beyond - The Solar System Learning Points The Earth is the only known planet with an atmosphere that can support life. The Earth's...

Why does metal expand when it gets hot? Material processes - Changing materials - Expansion and conduction Learning Points Conductors are materials that allow energy to flow easily through them. Thermal conductors allow heat energy to...

Find out how hot air balloons work. Material processes - Solids, liquids and gases - Gases Learning Points Air is made up of different gases. The molecules in gas are widely spaced. When heated the molecules of a gas move around and...

Find out how energy can be wasted as heat when a racing car brakes. Physical processes -Energy and energy transfer - Energy transformation Learning Points Energy can be transformed into different types. Energy converted into a form that...

This film explores how the world's climate has changed over time and how human activities have accelerated this natural process. People and places -Environmental awareness and care - Environmental changes Learning Points Global warming...

Materials change state all the time, but how and why? Material processes - Solids, liquids and gases - Changes of state Learning Points Melting is the change of state from solid to liquid. Evaporation is the change of state from liquid...