Biofuels
Biofuels can be made from used cooking oil.
1. True
2. False
True
What is the main energy source that powers plant growth?
1. Water
2. Wind
3. Sunlight
3. Sunlight
What part of the corn is used to make ethanol fuel?
1. Stalk
2. Starch
3. Kernel
Starch
What gas to plants absorbs from the air during photosynthesis?
1. Hydrogen
2. Oxygen
3. Carbon Dioxide
Carbon dioxide
What is a biofuel?
Fuel made from plants and other living organisms.
Biofuels are renewable
1. True
2. False
True
What scientific field studies energy from biological materials?
1. Bioengineer
2. Conservation
3. Bioenergy
Bioenergy
What is ethanol commonly blended with?
1. Gasoline
2. Oil
3. Diesel
gasoline
What type of engines commonly use biodiesel?
1. Diesel Engines
2. Jet Engines
3. Gasoline Engines
Diesel engines
What type of fuels do biofuels help replace?
What fuel is made from plant material like wood or crop waste?
1. Biodiesel
2. Biomass
3. Ethanol
Biomass
What kind of energy is released when fuel burns?
1. Kinetic
2. Heat
3. Electric
Heat
What is the main source of ethanol in the US.
1. Wheat
2. Soybeans
3. Corn
Corn
What environmental problem can burning fossil fuels worsen?
1. Deforestation
2. Climate Change
3. Flooding
climate change
Name an everyday product that can be turned into biofuel.
Food scraps, used cooking oil, manure
What biofuel is made from vegetable oils or animal fats?
3. Biodiesel
What farming practice could increase biofuel crop production?
2. Grow energy crops
What alcohol is produced when sugars ferment to create fuel?
1. Ethanol
Natural cycle that moves through plants, animals, and the atmosphere?
2. Carbon cycle
Name one main advantage of using waste materials for biofuels.
Reduces waste, produces energy
What byproduct is produced when biodiesel is made?
2. Glycerin
What natural process allows plants to convert sunlight into chemical energy?
3. Photosynthesis
What type of plant material is often used to produce cellulosic ethanol?
2 options- 1. Grass or 2. Wood
What chemical process converts vegetable oil into biodiesel?
1. Transesterification
One major goal of developing biofuels.
Reducing dependence on fossil fuels