N. SCIENCIE 3TH. UNIT 6 TEST: ENERGY AND MACHINES.

Information                                            is the use of computers to create, look for and exchange information.

• Internet

• technology

• connection

• laptops

Tablets, smartphones and                                           are all computers.

• Internet

• technology

• connection

• laptops

The                                             is a worldwide computer network.

• Internet

• technology

• connection

• laptops

We need an Internet                                            to look for information.

• Internet

• technology

• connection

• laptops

Light energy.

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Chemical energy.

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Mechanical energy.

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Electrical energy changes into light energy.

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Chemical energy changes into mechanical energy.

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Electrical energy changes into thermal energy.

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