National Reading Vocabulary (grade 5)
National Reading Vocabulary (NRV) is a curated collection of words essential for USA school students to follow. It contains high-frequency words crucial for reading comprehension and fluency. National Reading Vocabulary has total 6166 words, out of which one can learn 750 number of words in this grade 5. This week 30 has 20 number of words to build a strong foundation in English language, empowering them to navigate various texts with confidence and understanding, fostering a lifelong love for reading.
- The keel is a central, longitudinal structural member of a ship's hull that contributes to its longitudinal strength and rigidity.
- The keel is formed by a series of plates welded or riveted together and runs from stem to stern at the bottom of the ship's hull.
- The keel helps to keep the ship afloat and provides a stable base for the rest of the ship's structure.
- The keel also helps to transmit the forces from the ship's engines and propellers to the hull.
- In sailing ships, the keel is often weighted with ballast to help stabilize the ship and reduce heeling.
- Keels can be made of various materials, including wood, steel, iron, and reinforced concrete.
- Some boats, such as canoes and kayaks, have a shallow keel that helps them stay stable in calm water.
- In aircraft design, the keel is the lowest structural member of the fuselage, typically running from nose to tail.
- The keel of an aircraft helps to stabilize the aircraft during takeoff, landing, and in flight.
- The keel is a vital part of any ship or aircraft, as it provides strength, stability, and structural integrity.
