Review for Lessons 1-3 (7.1 MIStar)

A discussion, to listen, compare, and agree on an explanation or ides.

• Input

• Argument

• System Boundry

• Evidence

Tags

NGSS.HS-ESS2-7

NGSS.HS-LS4-1

What is a disadvantage to HUMAN power?

• Can be used to generate electricity for small devices

• It can be good exercise

• Can only be part of the energy solution not feasible to power an entire household

• It is free

Something used to power some devices. These devices need a battery or cord (plugging into an electrical socket) to work.

• Electricity

• Energy

• Efficiency

• Expensive

A collection of objects that interact and/or influence one another. These objects often work together to answer a question or solve a problem.

• Output

• System

• Input

• Boundary

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

NGSS.MS-ETS1-3

NGSS.MS-LS2-3

Why do Scientists use models?

• They are exact replicas of every situation.

• They can be very inexpensive compared to the real thing

• They are perfect and never need to be changed

• They break easily

Tags

NGSS.MS-ETS1-4

What are the main components needed for a hand held generator?

• Outlet, Lightbulb, Wire, Cardboard

• Lightbulb, Wire, Magnet, Switch

• Outlet, Switch, Cardboard, Wire

• Wire, Magnet, Lightbulb

Tags

NGSS.MS-ETS1-1

Anything that goes into the system from outside its boundary (e.g. energy supplied by one's hand to turn the nail and the magnets in the electric generator).

• Output

• System

• Model

• Input

What is an ADVANTAGE to using WIND as a power source?

• Produces little or no pollution once manufactured

• May harm birds or bats if placed in migration flight paths

• Considered ugly to look at

• Only produces when the wind is blowing

Tags

NGSS.MS-ETS1-2

To take part in, usually requiring more than one person.

• Engage

• Energy

• Models

• Arguments

Tags

NGSS.MS-ETS1-2

Anything that crosses the boundary to leave the system (e.g. light energy produced by the bulb and powered by the hand held generator)

• Input

• Output

• System

• Boundaries