2. Copper has been used in electrical wiring since the invention of the electromagnet and the telegraph in the 1820's. What property of solid best describe this material?

3. Which of the following materials has the ability to be stretched and return to its original form?

4. All of the following materials can be hammered into

thin sheets EXCEPT

5. Check all physical properties of matter

6. Hardness is the ability of material to be rigid pressure that may cause deformation or change in its shape. Example, metal and wood

7. Not all hard materials are unbreakable, though there are solid materials that when subjected to high stress or pressure, crumble or break easily. Example, glass and porcelain.

8. Look at the picture above.

What property or properties must the material for making the camping tent have?

9. John noted some properties of an object, X, listed below.

-Strong

-Waterproof

-Flexible

Which of the following is object X most likely to be?

10. Ryan was trying to bend a metal ruler with his hands. Which property of materials was he trying to test?

11. Which group belongs to personal care/ hygiene materials?

12. Why does your mother keeps all the cleaning materials like muriatic acid, Lysol, laundry soup, dishwashing liquid in an area cannot be reached by your younger siblings?

13. Bathroom cleaners can remove stains and dirt in our bathroom. Why do we need to be extra careful in handling this material ?

14. Why is steel very useful in building construction?

15. Peter used Baygon to eliminate mosquitoes inside his house. Into which material Baygon product can be classified?

16. Mr. Dela Cruz uses steel and cement to build his house.

17. Ann take medicine more than the prescribed dosage of her doctor to speed her recovery.

18. Mother uses the refrigerator to preserve the food.

19. Marga cleans the dishes with bathroom cleaner.

20. Alexandra used old clothes to make a broom