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SCIENCE 4 QUARTER 3 WEEK 5
CHECK YOUR UNDERSTANDING
Directions: Write whether the statement is TRUE or FALSE. Write your answer on page 10.
_____1. Light always travels in a straight line.
_____2. Light rays cannot be blocked and they can pass through all types of materials since they're travel on straight line.
_____3.Sound travels faster in gases than in solids.
Read carefully the question and write your answer on page 10
4. What will happen in the bulbs of vehicles are placed on the sides and not in front?__________________________________________
5. Why is not advisable to focus a toy laser to the eye of a person?______________________________
iba na yung 4-5
POST TEST Direction:Write the letter of the correct answer on page 10.
1. How does not travel? A. Light does not travel. B. In a straight line until it hits an object. C. By refracting through space until it is absorbed. D. By reflecting to space until it is transmitted. 2. Which of the following produce sound? A.appliances B.lighting C.running water D. A, B, and C 3 How does sound travel through the air? A. very fast B. very slowly C. in jumping motion D. cannot be determined 4. In which medium can sound waves travel faster? A. solids B.liquids C.gases D. both B and C 5. Which of the following statements about sound is correct? Sound_____ A. travel very fast in the air. B. cannot travel through a solid. C. travels faster in air than in water. D. travels faster in solid than in gases.
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