Question

SUMMATIVE ASSESSMENT IN SCIENCE (Written Work # 2) 1. DIRECTIONS: Read the questions carefully. Eacircle the letter of the correct 1. The reaction of iron with moisture and oxygen present in the air resulted to rusting. Which of these materials likely to develop rust? A cand board B. firewood C. plastic bag D. tin can 2. When the candle was lighted, it melted into liquid. What causes these changes? I. absence of heat III. presence of heat II. absence of oxygen IV. presence of oxygen A. I, II and III B. III and IV C. I and II D. All of the above 3. What process is applied in the melting of ice cream, drying of wet towel and cooking of food that result to physical and chemical change? A. boiling B. drying C. freezing D. heating 4. Which of the following statements show an example of a physical change? A. Paper burns up and leaves ashes. B. A plant uses sunlight and makes food. C. A glass cup falls from the counter and shatters on the ground. D. Foam and bubbles form after mixing baking soda and vinegar. 5. If you cut an apple into two and expose it to oxygen in the air, its color changes from whitish to brownish. What kind of change happen to the apple? A. biological B. chemical C. mechanical D. physical

PLEASE PAKI SAGOT PO
​

Answer 1

Answer:

8. Can you name three consecutive days without using the words Wednesday, Friday, or Sunday?

Answer 2

Answer:

fjknsksjjxodalamloksldkddssddhagahsjsjdd