paraffin

"Gasoline is a hydrocarbon fuel used in many cars. "

"We used plastic containers to store the leftover food after dinner. "

"The children were excited to go to their classroom in the morning. "

"The science teacher conducted an experiment to demonstrate how plants grow in different types of soil. "

"The student used a microscope to see the tiny cells in the plant leaf. "

"Burning natural gas, which is mostly made of hydrocarbons, provides heat for many homes. "

"The factory used petroleum to fuel its machinery. "

"The water in the glass was completely colorless, like pure, clear liquid. "

"drops / beads of moisture"

"The wood craftsman carefully carved a beautiful bird from a block of pine. "

"The farmer used artificial insemination to impregnate the cow. "

"The scientist studied the effects of different types of soil on plant growth. "