Teaching With Books
The gas used in cars pollutes the air. It releases chemicals into the environment. Bicycles do not use any gas. Riding a bike or walking instead of driving a car helps keep the environment clean.
A volcano is a hole in the earth's crust. There is hot melted rock called magma inside the earth. When a volcano erupts, magma and steam exit from the earth. Volcanic mountains form when a volcano erupts. The hot magma piles up on the earth’s surface. When it cools, it forms a cone-shaped mountain. Each time a volcano erupts, the volcanic mountain around it becomes larger.
The battles of Lexington and Concord were the first battles of the Revolutionary War, during which the American colonies won their independence from England. The two battles were both fought on April 19, 1775.
Look at the word revolutionary. The base word revolt can be a verb, noun, or adjective.
• fight against authority
• a fight, a rebellion against a government or authority
• fighting against authority
• disgusting, sickening, hideous
Write a sentence using one of the meanings of revolt or revolting.
Solve the math problem.
1 3/4 - 5/8