It's All About Energy

What problem are we working to solve in this unit?

• The power is off

• The lights don't work

• Ergstown is having frequent blackouts

• The mayor of Ergstown sent us an email

What do we need to know to solve the problem?

• Who is the Mayor?

• Why do mice chew wires?

• How does the electrical system work?

• Why does Ergstown have blackouts?

What is an engineer?

• Someone who makes engines

• A person who uses their science knowledge to design a solution to a problem

• A person who drives trains

• A person who fixes electricity

In a system, each part's job is called its _______ .

• synthesize

• function

• engineer

• machine

What does it mean to synthesize?

• To cook ingredients together

• To solve a puzzle

• To think about the answer

• To put together information to understand better

What is a system?

• some things

• machines

• electricity

• parts that work together

What is an electrical device?

• lightning

• something that dries your hair

• a machine that is heavy

• a machine that uses electrical energy

What is energy?

• The ability to make things move or change

• electricity

• eating food

• plugging something into the wall

Choose all the different forms of energy.

• thermal energy

• chemical energy

• light energy

• electrical energy

• food energy

How does electrical energy travel?

• upstairs

• through wires

• on a train

• in a car battery