Yellow Terms
What is lost energy?
W = ? X ?
FORCE X DISTANCE
TRUE OR FALSE:
PEOPLE CAN MAKE SOCIAL SYSTEMS LESS EFFICIENT
TRUE
WHAT CAN MANUAL'S DO? (AT LEAST 3 EXAMPLES)
-HOW TO PUT SMTH TOGETHER
-HOW TO USE AN ITEM
-WHO TO CONTACT IF YOU NEED HELP
-WHAT TO DO IF SOMETHING GOES WRONG
-HOW TO TAKE CARE OF A PRODUCT SO THAT IT WORKS PROPERLY
THREE EXAMPLES OF LOST ENERGY ARE:
HEAT, SHAKING, AND SOUNDS
Transformed?
changed from one form to another
HOW CAN PEOPLE WHO RIDE BIKES USE EFFICIENCY?
THEY COULD USE GEARS. CHANGING GEARS MAKE BIKES EASIER, WHEN BIKING WITH GEARS YOU ARE WASTING LESS ENERGY.
WHAT IS THE FORMULA OF THE ME
OUTPUT ENERGY (OR WORK)/INPUT ENERGY(OR WORK) X 100%
WHAT ARE 3 WAYS COMPANIES CAN HELP CUSTOMERS FIX PROBLEMS BY THEMSELVES
-BY E-MAIL
-ON THEIR WEBSITE
-ON THE TELEPHONE
WHO IS ALBERT EINSTEIN
WELL HES DEAD NOW BUT HE WAS SMART
Transferred?
moved from one place to another
WHAT ARE 4 WAYS ROBOTS CAN HELP IN FACTORIES
-DON'T GET SICK
-CAN DO DANGEROUS WORK
-CAN MAKE A PRODUCT BETTER
-CAN WORK FASTER
-WASTE LESS ENERGY
-DONT GET BORED
WHAT THREE MACHINES MAKE UP A BICYCLE
-LEVERS
-WHEELS AND AXLES
-A PULLEY
TWO EXAMPLES OF ENERGY?
-THERMAL ENERGY
TRUE OR FALSE:
SYSTEMS WITH NO MOVING PARTS CAN LOSE ENERGY
Economic efficiency (everyday usage)?
the ability to do something well or achieve a desired output without wasting energy, effort, or materials
IN 2006 WHAT % OF CHILDREN IN ONTARIO WERE OVERWEIGHT
28%
WHAT IS CUSTOMER SERVICE?
HELP PROVIDED SO THAT CUSTOMERS CAN USE A PHYSICAL OR SOCIAL SYSTEM EFFICIENTLY
WHAT IS FRICTION?
WHEN MOVING PARTS RUB AGAINST EACH OTHER AND HEAT UP
A LOT OF ENERGY THROUGH GASOLINE IS LOST THROUGH WHAT?
HEAT, SOUND, AND SHAKING
Mechanical efficiency (scientific usage)?
the percentage of work input that is turned into useful work output
TRUE OR FALSE:
BY ENCOURAGING PEOPLE TO EAT MORE, THE HEALTH CARE SYSTEM USES LESS MONEY
FALSE
TRUE OR FALSE:
ALL COMPANIES CARE ABOUT WHAT HAPPENS AFTER THEY SELL THEIR PRODUCTS, THIS IS WHEN CUSTOMER SERVICE COMES IN HANDY
FALSE
WHAT IS A WAY A SYSTEM LOSES ENERGY?
BY SHAKING OR MAKING SOUNDS
WHAT COLOUR IS THE SKY?
BLUE