Class Notes (1)
What color do coral reefs turn due to ocean acidity and signifying their death?
White
Kinetic energy
____ is used to convert into electrical energy in solar power.
Sunlight
What is the force of a 98 kg book falling at 8.7 m/s^2? Include units & do not round.
200 pts
852.6 Newtons (N)
True or false
Energy can change form one form to another.
True
What do the three R's stand for?
Reduce
Reuse
Recycle
Name 3 things you can compost?
400 pts
Food waste, leaves, straws, wood chips, yard trimmings, shredded paper, cardboard, newspaper, tea & coffee grounds
List 3 examples of biomass.
400 pts.
Plants, grains, garbage, manure, crops (corn, wheat, veggies, fruit), wood, etc.
Ryan uses 52 N of force to push a lawn mower 3.2 meters. Find the amount of work used. Include units & do not round.
166.4 Joules (J)
Name 2 examples of real stores that aim to reduce waste.
Aldis, Sams, Costco, Sprouts, Whole Foods
What does E&E stand for?
Energy & the Environment
What does the law of conservation of energy state?
600 pts
Energy can neither be created or destroyed.
Geothermal energy uses ___ from the earth.
Heat
How much power is required to pull a car if you use 22 J of work in 4 seconds?
Cindy uses 84 N to push a box 5.1 meters. Find the amount of work used?
Include units & do not round.
55 Watts (W)
428.4 Joules (J)
Name 3 examples of a raw material.
Corn, rocks, wood, leather, cotton, sand, metal, plastic, etc.
What are the 7 ways the integrated waste management gets rid of our waste?
1200 pts
Reduce, reuse, recycle, compost, incineration (waste to energy), landfills, incineration (no energy)
A material is used to prevent the passage of heat, electricity, or sound.
Insulation
Name an example of an exhaustible resource.
Coal, petroleum, oil, natural gas.
How much power is required to pull a car if you use 93 J of work in 9 seconds?
What is the force of a 1302 kg car falling at 2 m/s^2?
Include units & round to the nearest hundredth.
10.33 Watts (W)
2604 Newtons (N)
Convection is the way heat travels within ___ or ___.
liquids or gases
What is the formula for work, force, and power?
Remember our Jeopardy rules
W = F x D
F = M x A
P = W / t
List the 6 forms of energy.
1000 pts
Mechanical, chemical, electrical, heat/thermal, nuclear, light/radiant
List the 6 types of alternative energy sources.
1000 pts
Solar, wind, geothermal, biomass, hydropower, hydrogen (fuel cells)
How much power is required to pull a car if you use 37.5 J of work in 4.8 seconds?
What is the force of a 749 kg car falling at 5.8 m/s^2?
Kelly uses 208 N of force to push a lawn mower 1.09 meters. Find the amount of work used. 1500 pts
Include units & round to nearest hundredth. 1000 pts
7.81 Watts (W)
4344.2 Newtons (N)
226.72 Joules (J)
What are the 8 steps to the product life cycle
1500 pts
Design, materials acquisition, materials processing, manufacturing, packaging, distribution, usage, reuse/recycle or disposal