Class 10 English Unit 5 Science and Experiment Full Exercise & Grammar

Class 10 English Unit 5 Science and Experiment Full Exercise & Grammar
Reading I A. Find the words from the text that have the following meanings. a. the height of an object or point in relation to sea level or ground level - altitude b. a group of atoms bonded together - molecule c. a state in which opposing forces are balanced - equilibrium d. to change from a gas or vapour to a liquid - condense e. a piece of unreliable information that is repeated so often that it is accepted as the fact - factoid f. a space or container from which the air has been removed - vacuum g. a device that is used to remove blockages from the drain of a basin or tub - plunger B. Complete the sentences with the correct words or phrases from the text. a. Water bubbles break down if vapour pressure inside and outside the bubbles is equal. b. As the altitude goes up, the boiling point of water decreases . c. Random motion of molecules or particles is called thermal motion . d. If the door does not open, try pushing the key in the lock. e. Certain chemicals can induce undesirable changes in the …