BIOMASS
Fill in the blanks with the words in the word bank on the right. Use each word only once.
1. Biomass is any
that was alive a short time ago.
2. Biomass is a
energy source, because we can always grow more plants.
3. We
most biomass to make heat.
4. We burn garbage in a
plant to make
.
5. When biomass rots, it forms a
called
that we can use for energy.
6. Biomass can be turned into a liquid fuel like gasoline called
.
7. Most of the biomass we use is
.
8. Plants
energy from the sun in their roots and leaves.
WORD BANK
burn
electricity
ethanol
gas
material
methane
renewable
store
waste-to-energy
wood