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Exercise 1 Question 1: Complete the following sentences: 1. Electric wires are made up of ................ or ................. 2. An object potential energy increases ................ of its weight. 3. If the speed of an object motion increases into the double, its kinetic energy increases into ................. 4. Bridges made up of iron are coated in the purporse of protecting them from ................. 5. The cockroach belongs to ................ whereas the scorpion belongs to ................ and they are classified as ................ animals. 6. When you examine a pond water drop by a microscope, some microorganisms can be seen such as ................ and ................. 7. ................ energy is changed into electric energy in the battery. 8. Energy is the ability to exert ................. 9. Sodium symbol is ................ whereas sulfur symbol is .................

Question 2: Choose the correct answer to complete the following sentences: 1. Cycas belongs to ................. A. brown algae. B. mosses. C. mollusks. D. gymnosperms. 2.

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is known as the number of protons and neutrons existed in an atom nucleus of an element. A. Mass number. B. Density. C. Atomic number. D. Valence. ................

Science - Explore & Learn

First Grade Preparatory

Science book prep 1 first term  

science

Science book prep 1 first term  

science

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