Biofuels
What does the word "bio" mean in biofuel?
1. life/living organisms
2. organic matter
3. biological material
Life/Living Organisms
What crop is used to produce ethanol in the United States?
1. Soybeans
2. Wheat
3. Corn
Corn
Biofuels are made from what type of materials? (3)
1. Plants
2. Algae
3. Wood
4. Animals
5. Organic Waste
Plants, Algae, organic waste
What process do plants use to convert sunlight into energy?
1. Mitosis
2. Regeneration
3. Photosynthesis
Photosynthesis
What process uses microorganisms to convert sugars into alcohol fuel?
1. Fermentation
2. Photosynthesis
3. Dilution
Fermentation
What renewable fuel is made from vegetable oil or animal fat?
1. Biodiesel
2. Ethanol
3. Biogas
Biodiesel
What is ethanol commonly mixed with?
1. Water
2. Gasoline
3. Diesel
Gasoline
What renewable energy source helps plants grow for biofuels?
1. Sunlight
2. Wind
3. Water
Sunlight
Biofuels can be made from plant waste.
True
False
True
What gas takes up most of the biogas?
1. Carbon Dioxide
2. Methane
3. Hydrogen
Methane
what kind of biofuel is produced from organic matter that decomposes without oxygen?
1. Methane
2. Biogas
3. Ethanol
Biogas
What type of fuel mixture contains about 10% ethanol and 90% gasoline?
E85
E15
E10
E10
What organism can be produce oil that can be turned into fuel?
1. Bacteria
2. Algae
3. Plants
Algae
What fast growing plant is often studies as a future biofuel source?
1. Algae
2. Wheat
3. Grass
Algae
What biological organisms are used to ferment sugars into alcohol?
1. bacteria
2. algae
3. yeast
Yeast
What biofuel is produced from plant sugars through fermentation?
2. Ethanol
What type of transportation commonly uses ethanol blends?
3. Cars
What green house gas is released when fuels burn?
3. Carbon Dioxide
What farming product waste can be used to produce biofuels?
2. Corn Stalks
What kind of organisms break down organic material to produce biogas?
1. Bacteria
What natural fuels do biofuels help replace? (2 Words)
Fossil Fuels
What plant component is broken down to make cellulosic ethanol?
1. cellulose
What environmental issue can occur if forests are cut down to grow biofuel crops?
2. Deforestation
Which fast growing grass native to North America is studied for biofuel production?
3. Switch Grass
What chemical element is the main component of most fuels?
1. Carbon