Law of Conservation of Energy
Give one example of a nonrenewable source of energy AND explain the difference between renewable and nonrenewable energy.
Ex: Coal, Petroleum Gas
Renewable energy - sources can be easily replenished
Nonrenewable energy - sources cannot be replenished
Where is nuclear energy sNuclear energy is energy stored in the nucleus of an atom.
Nuclear energy is energy stored in the nucleus of an atom.
What is a commodity chain?
A commodity chain is a process used by firms to gather resources, transform them into goods or commodities, and finally, distribute them to consumers.
Why are logos crucial for brand marketing?
They act as a visual representation of a company.
What does a calorie tells us about any given food?
It tells us how much energy is stored in any given food.
Kinetic, potential, chemical, electrical, thermal
What happens during nuclear fission?
Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei
What country consumes the most meat per year?
United States
Give one example of food marketing.
Answers may vary
Why did we line our solar ovens with black paper?
Black surfaces absorb more sun.
Fill in the blank: Combustion is an _______________ reaction, which means energy is _____________.
Exothermic, released
Give an example of nuclear fusion.
The sun
What does IFAP stand for?
Industrial food animal production
What type of foods do food companies spend the most on food advertising and marketing?
Prepared convenience food, snacks and beverages.
What is the purpose of sustainable agriculture?
A method of farming that ensures high soil quality and minimal fossil fuel use.
Identify which two (or three) types of energy are used in each phase of energy transformation.
1) Battery
2) Clothes Dryer
Battery (CHEMICAL →ELECTRICAL)
Clothes Dryer (ELECTRICAL → KINETIC → THERMAL)
What is the difference between passive and active solar energy. Give an example of each.
Passive Solar Energy: absorbing or blocking Sun’s heat without using equipment (Sun facing windows, dark colored floors)
Active Solar Energy: Using mechanical/electrical equipment to capture sun’s heat and/or light rays directly into electricity (Uses solar panels PV cells to store energy)
List the 5 stages of the food system
Production, processing/manufactoring/distribution/consumption/disposal.
How is food wasted before and after harvest? Give an example of both.
Before: crops may be lost to pests or bad weather
After: does not meet consumers’ expectations for size, shape, color, sweetness, or a flawless appearance.
What is one major way to combat food waste? (According to EPA Food Recovery Hierarchy)
Source reduction - businesses and individuals avoid purchasing food that wont be eaten.
Give an example of an endothermic reaction
Photosynthesis, baking bread, cooking
What is one cost and benefit to solar energy?
Answers may vary.
List one cost and one benefit of IFAP
Answers may vary.
What type foods are wasted the most in the United States?
Dairy products
What does natural fertilizers do to soil?
Natural fertilizers–like crop remains–return nutrients to the soil.