UNIT 6: ENERGY

Nuria Sánchez ParraCEIP García Bellido

VOCABULARY• Ability ….capacidad• Batteries ….pilas• Light bulbs….bombillas• By …por• Chemical energy….energía química• Clap ….aplaudir• Coal….carbón• Electrical energy…..energía eléctrica• Electricity….electricidad• Emerges …..se libera• Existing ….esistente• For instance….por ejemplo• Fuel….combustible• Give….emitir, dar• Given ….emitido• Heat…. calor• Heater….calefactor• Into …en• Kind….tipo, clase• Kinetic ….cinética• Leave ….dejar• Light …lumninoso, luz• Mechanical ….mecánica

• Mixer ….batidora• More ….más• Nature….naturaleza• Notice ….darse cuenta• Nuclear energy….energía nuclear• Light on…..encender• Other ….otro• Plutonium….plutonio• Power lines….líneas eléctricas• Result …resultado• Sound energy….energía sonora• Stove….estufa• Such as ….tal como• Thermal energy….energía térmica• Through …. A través• Toaster ….tostador• Turn on… encender• Types …tipos• Uranium ….uranio• Useful…útil• While ….mientras• Wind….viento• Wires ….cables

Types of energyEnergy is the ability some objects have to change things around them. Energy produces a change or a transformation. For example, when we leave an object in the sun, after a while we notice that its temperature changes; that transformation is the result of the sun energy.

Video

What is energy? And types of energy

Energy can be:

• Mechanical or kinetic energy

• Light energy

• Sound energy

• Electrical energy

• Thermal energy

• Chemical energy

• Nuclear energy

• Mechanical or kinetic energy. Objects moving have this kind of energy. For example, a car riding.

• Light energy. This is the energy of the objects that give light, like the sun or the light bulbs.

• Sound energy. It is generated by the objects that give sound, like the musical instruments.

• Electrical energy. It is the energy used by electrical objects, such as mixer or a computer.

• Thermal energy. It’s the energy that emerges from an object as heat, for example from a stove.

• Chemical energy. It is the energy given by food, batteries or fuel.

• Nuclear energy. It is the energy given by chemical elements such as uranium and plutonium.

Energy transforms One type of energy can transform into a different type of

energy. For instance, when we turn a toaster on, the electrical energy transforms into thermal energy; or our bodies transform chemical energy from food into mechanical energy to move.

Some of these changes of energy are very simple. For example it is very easy to transform kinetic into sound energy when we clap our hands, but it is more difficult to transform sound energy into movement.

ElectricityElectricity comes from other types of

energy existing in the nature, such as the kinetic energy of moving water and wind, or the chemical energy of coal.

Electricity is very useful.• We can transport it easily through wires in power

lines.• It transforms in other types of energy, for

example, into light energy through a light bulb, or in thermal energy trough a heater.

Video

• Electricity, its sources, renewable and non renewable.Science for kids.

ACTIVITIES

• Name things that use electricity• Choose the correct words:

There are different types of energy. Mechanical energy is related to static/moving objects. Light/Sound energy comes from the sun. Musical instruments emit chemical/sound energy. Fire gives thermal/ electrical energy. Food and fuel/wind generate chemical energy. Chemical elements like uranium or water/plutonium generate nuclear energy.

• Match the words to the pictures.Electrical energy sound energy chemical energy