SCIENCE AND HEALTH 6: (Part 1-15)

Direction: Read each sentence correctly. Write the letter of the correct answer.

1. One of the activities used in processing meat is sugar. Why is sugar used as an additive?
a. Sugar will enhance the appearance of meat.
b. Sugar will add to the nutritive value of meat.
c. Sugar will enhance the taste of meat.
d. Sugar will add the color of the meat.
2. Most of these materials are for maintaining cleanliness at home. Which may be omitted from the list.
a. soap b. detergent c. floor wax d. Lysol
3. Which of the following pairs should NOT be red together in the same shelf at home?
a. Lysol and soy sauce c. Aspirin and Tylenol
b. Fish sauce and vinegar d. soap and shampoo
4. If you like to store some vinegar, what container will you use?
a. earthen jar b. plastic bottle c. metal jar d. clay pot
5. In keeping And storing materials at home, medicines should be placed away from the insecticides. Why?
a. to prevent the materials from expiring
b. to arrange the materials in an orderly manner
c. to prevent insects from entering cabinet
d. to prevent people from using them in the wrong way
6. What danger may arise in the use of pesticides.
a. They can cause respiratory diseases.
b. They can kill all the insects.
c. They cause production of acid rain.
d. They can harm the environment.
7. What are synthetic products?
a. products made from plastics
b. products made from manufactured products instead of natural materials
c. products that have natural properties
d. products made from raw materials
8. Waste that accumulates may _____________?
a. Speeds up the decomposition of non-biodegradable wastes.
b. Become breeding places of pets
c. Allow the flow of rainwater run offs
d. Causes loss of the top oil
9. How the heat transfers in solid material?
a. by waves b. by conduction c. by convection d. by radiation
10. Which of the following does not release heat to the environment?
a. boiling water c. burning of paper
b. turning on the radio d. all of the above
11. Which method of heat transfer involves the movement of heated part of the liquid or gas? a. insulators b. conduction c. convection
12. Silver is better conductor of electricity than copper. But copper is the usual choice to manufacturing electrical wire. Why is that so?
a. Silver is in great demand for jewelry.
b. Silver is also used fro coins.
c. Copper wire is safer than silver wire.
d. Copper is less expensive than silver.
13. Which of the following is the best conductor of heat?
a. wood b. human body c. glass d. metal
14. What is an example of good conductor?
a. plastic b. wood c. metal d. glass
15. What is technology?
a. The science materials that are used by people.
b. The technical assistance
c. The scientific products used in the market
d. The ways people use the materials they discover or invent