TLE – Grade 8 (3rd Grading)

Republic of the Philippines

Department of Education

Panoloon National High School

Panoloon, Sapad, Lanao del Norte

TLE – Grade 8

Third Grading Periodical Examination

Name: ___________________________      Year & Sec.: _____________     Score: _______

A. Choose the answer from the box and write them in the blank before each number.

Atom                                                     Batteries                                              Hacksaw Snell                                                      Magnet                                                                Soldering gun Protons                                                                Piezoelectric                                      File Nucleus                                                                Solar Cells                                            Pliers Electron                                               Static Electricity                                 Multipurpose tool Molecule                                             Thermocouple                                  Screwdriver

 

__________1. It is the center of an atom.

__________2. It is the basic building blocks of matter.

__________3. It is the smallest particle of matter.

__________4. They are positively-charged particles.

__________5. The part of an atom where electrons revolve.

__________6. A device that produces electrical energy  from heat energy.

__________7. This is the oldest electrical phenomenon.

__________8. It is usually made of iron or a mixture of metals with iron.

__________9. Light energy changes into electrical current.

__________10. It is a chemical change

__________11. Used for holding and splicing wires

__________12. Used to crimps terminal and to cut screws.

__________13. Used for cutting screws

__________14. Used in closing electrical wirings

__________15. Used in loosing or tightening screws.

B. Determine whether each of the materials listed is an insulator or a conductor.  Check the applicable column.  Gibe also the uses of each material.

Materials	Insulator	Conductor	Uses
1. Silver
2. Copper
3. Gold
4. Aluminum
5. Tungsten
6. Tin
7. Steel
8. Brass
9. Rubber
10. Paper
11. Asbestos
12. Ceramics
13. Plastic
14. Enamel
15. Grass

C. Write true if the statement is correct or false if it is incorrect.

______1. Infrared thermometers are commonly called laser thermometers.

______2. Temperatures are bodily functions that reflect the body’s state of health and are easily measurable.

______3. The first step in washing clothes is sorting them according the color and type of garment.

______4. Inn should cool down before storing.

______5. When measuring the clients’ temperature, it is not important for the caregiver to wash his/her hands because he/she does not come in contact with the clients’ bodily fluid.

______6. Oral drugs can be in tablet, capsule, or suppository form.

______7. Reading carefully the drug labels is very important in administering medicines to the patients.

______8. Medicine of the same brand name and generic name always has the same dosage.

______9. The unknown value in calculation is usually represented by a “?”

______10. The adult’s average Body Surface Area (BSA) is 1.73m².

D. Answer the following questions. (5 Points Each)

1. List down all electrical appliances and devices you have at home.  Write the use of each one.

2. How can you lower the electrical bill at home?

3. What are the effects of the chemical hazards?

4. Write at least 2 common equipments in taking vital signs.