Let’s Try (Evaluation)
Directions: Read and answer each question carefully. Choose the letter of the
answer. Write your answer on your answer sheet.
1. Which of the following materials can cause damage to our skin when
accidentally touched.
A. bathroom cleaner B. used oil C. alcohol D. dishwashing liquid
2. What material is best for bridge construction?
A. wood B. steel C. rubber D. ceramic
3. Which statement shows the correct way of using any product.
I. Use the product immediately after you bought it.
II. Read the instructions/label of the product.
III. Precaution and warning signs in the label of the product should not be
ignored
IV. Remove the labels of the products
A. I and II B. II and III C. I, II, III D. II, III and IV
4. Pesticides are toxic materials. They are harmful to our health. What alternative
pesticide can be used which has lesser harmful effects to one`s health and
environment?

I. make your own organic pesticide
II. use pepper spray
III. use garlic to eliminate the pests
IV. use salt solution
A. I and II B. I, II, and III C. II, III and IV D. I, II, III and IV
5. Bricks, cement, hollow blocks, and metal are used in building a house. What
common characteristics do these materials have?

I. these materials are hard and strong
II. these materials are use for house beautification
III. these materials are recyclable
IV. these materials are fireproof
A. I only B. I, II, and III C. II, III and IV D. I, II, III and IV

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6. What is the physical property of salt?
A. elasticity B. flammability C. solubility D. hardness
7. What property of rubber bands is shown when it can secure things tightly
because they can be stretched and can go back to their original shape?
A. brittleness B. hardness C. elasticity D. softness
8. Which property of glass makes it a good material for a window?
A. hard and heavy C. clear and transparent
B. flexible and elastic D. brittle and soluble
9. Which situation shows that a material becomes useful in our homes/community?

I. Members of the family reuse the empty bottles as plant pots.
II. Chefs use eggs and milk and dissolves it in cake mixture.
III. Construction workers use old and rusted iron in building bridges.
IV. Housekeepers use baking soda in cleaning the refrigerator.
A. I only B. I, II C. I, II, III D. I, II and IV
10. Which of the following materials CANNOT be used as insulators?
I. wood III. aluminum
II. plastic IV. silver
A. I and II B. I and III C. III and IV D. II, III and I