Conversion Of blue litmus paper red







. 1.)   Which of the following turns blue litmus paper red (a) water (b) acid (c) base (d) oil


2.)   A test was carried on a liquid solution, using a red litmus paper. It was observed that the paper turned blue. What is that liquid solution? (a) base (b) kerosene (c) acid (d) water


. 3.)   The two types of acids are (a) organic and sodium (b) compound and inorganic  (c) organic and inorganic (d) soluble and organic



4.)   The two types of bases are _______ and _______ (a) solution and salt (b) soluble and insoluble (c) sugar and caustic (d) soda and potash


(5.)   _________ is the reaction between caustic soda and oil to form soap (a) soap (b) perfume (c) saponification (d) sodium


(6.)   __________ is a cleaning agent which produces foam or lather when mixed with water (a) water (b) soda (c) potash (d) soap


(7.)   A purposeful human activity which involves designing and making products in diverse is known as ______ (a) material (b) computer (c) technology (d) system



(8.)   Which of the following is not a type of material (a) metal (b) plastic (c) soda (d) wood



(9.)   __________ are mishaps that can cause harm, damages or even death (a) safety (b) accidents (c) damages (d) snake bite



(10.)    The state of preventing danger or harm to ourselves or somebody is called _____          (a) safety (b) save (c) accident (d) damages



(11.)    __________ is the ability of living things to produce young ones of their kind (a) respiration (b) excretion (c) reproduction (d) waste



(12.)    What is the reproduction organ of a flowering plant (a) flower (b) ovary (c) petal (d) stigma



(13.)    The transfer of pollen grains from the anthor to the stigma is called _____ (a) fertilization (b) pollination (c) reproduction (d) embryo



(14.) __is a process whereby the male gamete from the pollen tube unites with the egg cell/ female gamete in the ovule of a flower (a) pollination (b) reproduction (c) fertilization (d) ovule



(15.)    Which of the following is not a form of energy          (a) heat energy (b) water energy (c) solar energy (d) light energy



(16.)    ___________ is the ability to do work (a) energy (b) solar (c) nuclear (d) chemical



(17.)    Heat can be transferred in the following ways except (a) conduction (b) convection (c) evaporation (d) radiation



(18.)    Which of the following is not a source of heat (a) sun (b) friction (c) electricity (d) water condensation



(19.)    Which of these is not a safety gadget (a) helmet (b) google (c) fire extinguisher (d) knife



(  20.)    _________ is an example of flower (a) orange plant (b) allamanda (c) apple flower (d) baking flour




Section B


(1.)   What is an acid? ___________________________________________________________ (


b.) State the two types of acid


(a) _____________________________

(b) ________________________________


(2)   Define saponification?  ___________________________________________________________________________

(b.) List the two types of soap? (a) ________________________________

(b) ________________________________

(3.)   Explain technology? ___________________________________ ___________________________________________________________________________


(b.) Mention any two products as a result of technology (a) ________________________________


(b) ________________________________


(4.)   Define reproduction? _________________________________________________________ ___________________________________________________________________________

( b.) What is pollination? ___________________________________________________________      ___________________________________________________________________________


(5.)   What is energy? ______________________________________________________________


(b.) State the three major ways by which heat is transferred    (a) ________________________________


(b) ________________________________


(c) ________________________________


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