UNIT 5. The Paragraph What is a paragraph? A group of sentences usually having one main idea. Read the paragraph below.
What is a paragraph?
A group of sentences usually having one main idea.
An insulator is a material which does not allow current to pass through easily.Rubber, plastic, and air are good insulators. They resist the flow of electrons through them. Insulator prevents wires from touching each other and completing an electrical circuit- making a short – circuit before the electricity can reach the desired target.
A broom is a lever. Your upper hand is the fulcrum and your lower hand supplies the effort force. The resulting force is put out at the bristles of the broom.
A Tin opener
An opener is a lever. The outer rim of the can is the fulcrum. Your hand supplies the effort force. The resulting force is put out by the end under the lid.
A CD drive
A CD drive is a mechanical device. A CD is placed in it. When it is pushed, it presents a menu. Now you can make your selection.
CD drive place push
presents a menu
make your selection
What is the main idea sentence of paragraph 1?
What is the main idea sentence of paragraph 2?
What is the main idea sentence of paragraph 3?
What is the main idea sentence of paragraph 4?
Plant stems grow in different directions. Most plant stems grow up toward the sun. The leaves of long stemmed plants can reach sunlight even in shady places. Some stems even turn during the day, which helps keep leaves in in the sunlight, too.Other plants grow sideways instead of up. Narrow tubes carry water, minerals and food. Whenever the stems touches the ground, it forms a root, from which a new plant grows.
increase is applied meet
A wedge is a simple machine made up of one or two inclined planes. Their ends meet along a narrow edge. When a force is applied to the opposite end, the thick end of the wedge, the inclined planes increase the force and change its direction.