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

Tags

NGSS.4-ESS3-1

NGSS.4-PS3-2

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?

Tags

NGSS.MS-ETS1-1

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

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

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

• synthesize

• function

• engineer

• machine

Tags

NGSS.MS-LS1-2

What is a system?

• some things

• machines

• electricity

• parts that work together

Tags

NGSS.5-ESS2-1

What is an electrical device?

• lightning

• something that dries your hair

• a machine that is heavy

• a machine that uses electrical energy

Tags

NGSS.MS-PS2-3

What is energy?

• The ability to make things move or change

• electricity

• eating food

• plugging something into the wall

Tags

NGSS.4-PS3-2

How does electrical energy travel?

• upstairs

• through wires

• on a train

• in a car battery

Tags

NGSS.4-PS3-2

Which form of energy does a solar panel use?

• thermal energy from a volcano

• light energy from the sun

• sound energy from a bomb

• chemical energy from eating food

Tags

NGSS.4-PS3-2

What evidence in the pictures tells us the lights are not broken?

• the car moved

• the car light is still on

• the lights came back on later

• a man fixed the lights