1. IMMANUEL SCHOOL OF DAVAO
NHA ALONG DIVERSION ROAD BUHANGIN
THIRD PERIODICAL EXAMINATION
SCIENCE 4
NAME: _____________________________________ SCORE:____________________
DATE : ________________________ TEACHER: MS. JESSEIL PAGATPAT
1.) In which liquid is nail polish soluble?
a. alcohol b. acetone c. oil d. water
2.) Which takes the shape of a glass?
a. clay b. marble c. rocks d. syrup
3.) Cooking oil solidifies because of the cold weather. What will you do to pour it from its container.
a. cool it b. heat it c. freeze it d. condense it.
4.) The particles in matter are always ____________.
a. still b. large c. small d. moving
5.) Why is water called the universal solvent?
a. it has force c. it has strong chemicals
b. it is easily available d. it can dissolve different materials
6.) Salt was dissolved in water. How can you separate the salt from the water?
a. add more salt c. throw the water
b. filter the water d. boil the water and let it evaporate
7.) What happens to air when particles of smoke from cars mix with it?
a. it becomes heavy c. it becomes polluted
b. it becomes fresher d. it becomes richer in oxygen
8.) Instant coffee dissolved in water. What kind of substance is instant coffee?
a. Chemical b. nutrient c. solute d. solvent
9.) All of the following materials are porous except?
a. cotton b. foam c. tissue d. rubber band
10.) A stick of butter has become hard. How can you make it soft?
a. by heating it c. by putting an ice
b. by freezing it d. by putting in water
11.) Mario mixed oil in a glass of water. What did he observe?
a. The oil went below the water c. The oil disappeared in the water
b. The water disappeared in the oil d. The oil went on the surface of the water.
12.) Ifyou mix 30 ml. of alcohol and 30 ml of water, how many milliliters of mixtures would you probably obtain?
PARENT’S
SIGNATURE:

2. a. 30 ml b. 61 ml c. exactly 60 ml. d. slightly less than 60 ml
13.) The plants near the factory are dying due to chemical wastes that are thrown in the soil. Why is this so?
a. the plants lack sunlight c. the soil loses its fertility
b. the plants lack water d. the soil becomes too fertile
14.) Water is liquid because _________________.
a. it has definite shape and volume c. it has molecules that are closely packed
b. it has no definite volume nor shape d. it has definite volume but has no definite shape.
15.) What is produced when two things are rubbed together?
a. current b. electricity c. energy d. friction
16.) Which produces greater friction when rubbed?
a. oil palms b. shiny shoes c. rough stones d. smooth sticks
17.) Which can easily produce friction?
a. plastic b. rocks c. Styrofoam d. wood
18.) Which will produce the least friction?
a. brick c. rocks
b. paper d. sticks
19.) Sonia wants to produce fire but she has no matches. What can she do?
a. cry out for help c. Get candle and rub it against the stones
b. Get two stones and rub them together d. find some twigs and some leaves and pile them up.
20.) Which can be a good source of fuel?
a. plastic b. rock c. rubber d. wood
21.) Which refers to the process where substances are combines with oxygen in the air to produce heat and light?
a. conduction b. combustion c. evaporation d. condensation
22.) Which fuel does NOT belong to the group.
a. coal b. gasoline c. kerosene d. petroleum
23.) Which is the main source of energy stored in the firewood?
a. the sun b. the soil c. the plant d. the people
24.) When substance are heated, they changed in shape but retain their original properties. What kind of changes
is shown?
a. nuclear change b. physical change c. chemical change d. mechanical change

3. 25.) What change will happen to sugar after heating it?
a. nuclear change b. physical change c. chemical change d. mechanical change
26.) What change happens to the ice cube when heated?
a. change in color b. change in smell c. change in phase d. change in chemicals
27.) What do you call the transfer of heat from molecules to molecule?
a. combustion b. condensation c. conduction d. convection
28.) What do you call those materials that allow heat to pass through?
a. conductors b. conveyors c. insulators d. transformers
29.) Which is good insulator?
a. cloth b. copper c. metal d. steel
30.) What do call the cyclical movements of liquids or gases due to alternating heating and cooling?
a. circulation b. combustion c. conduction d. convection
31.) Which is true about heat ?
a. heat travels in air
b. heat travels through convection process
c. water does not allow heat to pass through
d. the process of heating objects thorough circulation is called radiation.
32.)Which is commonly used in putting out fire?
a. cloth b. oil c. sand d. water
33.) What can put out fire caused by a gas explosion?
a. cloth b. oil c. sand d. water
34.) What is the fastest way to stop fire of a burning wooden table?
a. cover it with a wet cloth
b. get sand and throw over it.
c. look for the fire extinguisher
d. call for help from your neighbor
35.) Which is a good practice?
a.play with fireworks
b. leave the stove open
c. play with lighted cigarettes
d. keep a lighted candle away from the curtains

4. 36.) What will you do if your skirt catches fire?
a. cry out loud until someone hears you.
b. keep running until someone sees you
c. run fast until you reach the bathroom
d. roll yourself on the ground until the fire is completely put out.
37.) Why does ice float on water?
a. ice is denser than water c. ice and water have the same density
b. ice is less dense than water d. ice and water do not have density at all
38.) Filtration is the process used to separate___________.
a. fruit salad b. milk and water c. gravel and sand d. soil and iron fillings
39.) Which of the following is a mixture of different gases?
a. air b. mineral c. oil d. water
40.) What will happen to the chemical energy of kerosene when it is transformed to light energy?
a. it will produce heat.
b. it will run into light energy.
c. it will turn into electrical energy.
d. it will turn into mechanical energy.

5. TABLE OF SPECIFICATION
3rd
PERIODICAL EXAMINATION
SCIENCE 4
COMPETENCY NUMBER OF
ITEMS
ITEM PLACEMENT PERCENTAGE %
CHANGES IN MATTER
 Physical and Chemical
Change
 Types ofPhysical and
Chemical Change
 Pollution
 Common Household
Products and their uses
 Characteristics of
household materials
ENERGY
 Types ofEnergy
13
10
2
3
3
9
1, 2, 4, 5, 11, 12, 14, 27, 28,
37, 38, 39, 40
3, 6, 8, 10, 19, 23, 24, 25,
26, 31
7, 13
9, 35, 36
32, 33, 34
15, 16, 17, 18, 20, 21, 22,
29, 30
32. 5 %
25 %
5 %
7 . 5 %
7 . 5 %
22. 5 %
Total: 40 40

6. 100 %
IMMANUEL SCHOOL OF DAVAO
NHA ALONG DIVERSION ROAD BUHANGIN
THIRD PERIODICAL EXAMINATION
SCIENCE 5
NAME:_________________________________ SCORE: ________________
DATE : ________________________ TEACHER: MS. JESSEIL PAGATPAT
Read and analyze each item. Choose and circle the letter of the best answer.
1. Which does not belong to the group?
a. proton b. electron c. atom d. neutron
2. How does the molecular composition of water differ from ice?
a. Both water and ice are composed of compactly packed molecules.
b. Water ice composed of widely arranged molecule while ice has compactly arranged molecules.
c. Water is composed compactly arranged molecules while ice has widely arranged molecules.
d. Both water and ice are composed of widely arranged molecules.
3. In ____________ mixtures, you can still identify the presence of the substance of the mixtures.
a. heterogeneous b. homogeneous c. emulsion d. solution
4. When a solid substance is dissolved in a liquid, a ______________ is formed.
a. solute b. solution c. solvent d. soluble
5. When two liquids are soluble with each other, these solutions are called ______________.
a. alloys b. soluble c. miscible d. solvent
6. The kind of mixture where liquids do not completely dissolve in each other is called ______________.
a. emulsion b. miscible c. soluble d. solute
7. Which is true about metalloids?
a. they are malleable and ductile
b. they are good conductors of electricity
c. they are the substance with dull appearance
d. their conductivity increases as the temperature increases.
8. Why is the presence of CFC or chlorofluorocarbon in the air harmful?
a. it makes the clouds dark.
b. it makes the ozone layer thick
c. it protects the earth from ultraviolet rays
d. it destroys the ozone layer.
9. In what way does burning fuel affect the atmosphere?
a. it makes the air pure
PARENT’S
SIGNATURE:

7. b. it increases oxygen in the air.
c. it reduces carbon dioxide in the air d. it releases harmful chemicals into the air
10. which one is easier to take away from an atom?
a. electron b. neutron c. proton d. iron
11. Which electrical connection will continue to work even if you take away one bulb.
a. series b. parallel c. circuit d. dry cell
12. What will happen to a fuse if there is an overflow of electricity?
a. ring b. explode c. melt d. done
13. Which of the following does not show wise use of electricity?
a. dusting of bulbs
b. opening windows for lightning
c. using octopus connection
d. turning off the TV when not in use.
14. When iron filings are mixed with salt, which would be the best way to separate them?
a. use your fingers to separate them.
b. separate them with the use of a magnet
c. use the fine screen to separate them.
d. heat the mixture gently to separate them.
15. Which of the following is a physical change?
a. burning candle
b. tearing a piece of paper
c. chewing a piece of bread
d. mixing paint with thinner
16. A block of butter to liquid butter
a. melting b. evaporation c. chemical change d. freezing
17. The disappearance of mothballs in a closet.
a. depositon b. sublimation c. evaporation d. condensation
18. The decaying body of an organisms.
a. chemical change b. physical change c. condensation d. sublimation
19. It is the ability to do work. It can be potential and kinetic.
a. energy b. electricity c. work d. force
20. It has a two or more switches and two or more pathways of electricity.
a. series circuit b. two-way circuit c. parallel circuit d. electric circuit
21. Which area is in danger of seawater seeping into the land?
a.Baguio City c. rice terraces
b. a hill d. a small island

8. 22. Which of the following is NOT a natural cause of pollution?
a. forest fire during very hot weather c. lahar flow
b. kaingin d. red tide
23. Which of these processes increases the amount of carbon dioxide in the air?
a. burning garbage only c. using gasoline to fuel a car only
b. forest fire only d. all of the above
24. Which of these processes brings about chemical change?
a. grinding cocoa seeds c. drilling holes
b. exploding firecrackers d. pounding rice
25. In which process is heat removed from the material undergoing a change in state?
a. changing water to ice (freezing)
b. changing ice to water (melting)
c. changing water to water vapor (evaporation)
d. changing water to steam (vaporizing)
26. The expression “dry ice” refers to which of the following?
a. solid ice c. solid water vapor
b. solid water d. solid carbon dioxide
27. Which does NOT cause air pollution?
a. oxygen c. dust
b. carbon monoxide d. fumes from burning garbage
28. Which of the following particles move freely around the nucleus?
a. electrons c. protons
b. neutrons d. none of these
29. A material that lose electrons becomes______________
a. positively charged c. neutral
b. negatively charged d. easily attracted
30. A negatively charged material will _____________ a positively charged material.
a. attract c. neutralize
b. repel d. rub
31. Which of the following is a conductor?
a. glass c. wood
b. human body d. plastic
32. Which of the following is NOT a part of a simple electric circuit?
a. source of electricity c. conducting wire
b. electromagnet d. an electric device
33. What do you call a closed, continuous path through which electrons can flow?

9. a. resistor b. charge c. circuit d. cell
34. What do you call the process of charging when no contact is made with the charging object?
a. galvanometer c. motor
b. generator d. cell
35. In which of the following is a parallel circuit best used?
a. a string of Christmas lights c. electric home devices
b. street lighting d. all of the above
36. What device converts electrical energy from a battery wired to a toy to make a toy move?
a. generator c. galvanometer
b. motor d. circuit breaker
37. Usually, the number of _______ in an atom is the same as the number of electrons.
a. protons c. electrons
b. neutrons d. nucleus
38. If an atom has more electrons than protons, it has a ________ charge
a. negative c. neutral
b. positive d. no charge
39. When objects have the same charge, they _______ to each other.
a. repel c. move
b. attract d. do not move
40. Which of the following is NOT a good way to deal with garbage?
a. reduce the amount of waste c. recycle into “new” products
b. reuse in another way d. release into the river

10. TABLE OF SPECIFICATION
3rd
PERIODICAL EXAMINATION
SCIENCE 5
COMPETENCY NUMBER OF
ITEMS
ITEM PLACEMENT PERCENTAGE %
PHYSICAL/CHEMICAL
CHANGE
 Describing simple
physical and chemical
changes in materials
 Conditions/factors that
bring about changes in
materials.
 Changes in the
Environment
ENERGY
 Describing Static
Electricity
 Describing an Electric
Circuit
 HowElectrical Energy
Produced
 Transformation of
Electrical Energy to
other Forms
7
6
6
6
5
5
5
2, 4, 14, 15, 24, 25, 26
3, 5, 16, 17, 18, 27
6, 8, 9, 21, 22, 23
7, 12, 19, 28, 33, 37
13, 20, 29, 34, 38
1, 10, 11, 32, 39
30, 31, 35, 36, 40
17. 5 %
15 %
15 %
15 %
12. 5%
12. 5 %
12. 5 %

11. Total: 40 40 100 %
IMMANUEL SCHOOL OF DAVAO
NHA ALONG DIVERSION ROAD BUHANGIN
THIRD PERIODICAL EXAMINATION
SCIENCE 6
NAME:_________________________________ SCORE: ________________
DATE : ________________________ TEACHER: MS. JESSEIL PAGATPAT
Read and analyze each item. Choose and circle the letter of the best answer.
1. One of the additives used in processing meat and sugar. Why is sugar used as an additive?
a. Sugar will enhance the appearance of meat
b. Sugar will add the nutritive value of meat
c. Sugar will enhance the taste of meat
d. Sugar will add to the color of meat.
2. What property of glass makes it popular material for manufacturing drinking containers?
a. it is brittle c. it is heat-proof
b. it is transparent d. it can be melted
3. What property of steel makes it good construction materials?
a. it is rigid and strong c. it has luster
b. it can be stretched d. it is a conductor of heat
4. Why is plastic considered a very important material?
a. it can be manufactured into many kinds of product.
b. it is easy and cheap to produce
c. it is available anytime
d. it takes a long time to decompose
5. 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
6. Why are metals in their natural form ( except copper ) not used for manufacturing products?
a. they are expensive c. they are difficult to process
b. they were rare d. they are soft and weak
7. What is an alloy?
a. it is a mixtures of different plastics. c. it is a very strong metal
b. it is a mixtures of metals d. it is a rare metal
PARENT’S
SIGNATURE:

12. 8. What metals are mixed to form brass?
a. iron and copper c. zinc and tin
b. copper and zinc d. lead and zinc
9. Plastic may be mixed with paper or cloth compressed into thin sheets. What is this sheet called?
a. plastic sheet c. plastic laminate
b. plastic fiber d. plastic pad
10. What is the purpose of adding gelatin when processing food?
a. as emulsifier c. as a coloring
b. as thickener d. as sweetener
11. One way to preserve food is by aseptic packaging. How is this done?
a. freeze the food and dry it before packaging.
b. keep the food dry before packing it.
c. sterilize the food and pack it in sterilized containers.
d. mix additives with the food before packing.
12. 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
13. Which of the following pairs should NOT be stored 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
14. If you like to store some vinegar, what container will you use?
a. earthen jar c. metal jar
b. plastic bottle d. clay pot
15. Silver is better conductor ofelectricity than copper. But copper is the usual choice for manufacturing electrical
wire. Why is this so?
a. silver is in great demand for jewelry.
b. Silver is also used for coins.
c. Copper wire is safer than silver wire
d. Copper is less expensive than silver
16. Gasoline and rocket fuel store
a. electrical energy c. mechanical energy
b. chemical energy d. radiant energy
17. Which of the following is an example of mechanical energy?
a. nuclear bomb explosion c. chemical energy
b. potential energy d. heat and light
18. What is the primary source of the sun’s energy?
a. potential energy c. nuclear fusion
b. chemical energy d. nuclear fission
19. Which of the following statements is NOT true?

13. a. The total amount of energy remains constant. d. Energy can be transformed
b. Energy cannot be created or destroyed
c. Energy can be created but not destroyed
20. What energy is associated with atomic bombs?
a. chemical energy c. light energy
b. kinetic energy d. nuclear energy
21. Which of the following is true about falling object?
a. Its kinetic energy decreases as it falls
b. Its kinetic energy increases as it falls
c. its potential energy increases as it falls
d. It doesn’t have any energy.
22. A pendulum is swinging back and forth and has kinetic energy at a particular point in path. Which of the
following statement is NOT true?
a. Both kinetic and potential energy are decreasing at the same time.
b. The minimum of kinetic energy is Zero.
c. The potential energy increases when kinetic energy decreases.
d. The potential energy is greatest when kinetic energy is the smallest.
23. Which of the following is nonrenewable source of energy?
a. wind c. biomass
b. natural gas d. geothermal
24. Lighting a match involves all of the following energies except.
a. mechanical c. radiant
b. chemical d. nuclear
25. Which of the following does NOT contribute to energy conservation.
a. Turn off the lights and electric fans as you leave your classroom.
b. Let water flow as you brush your teeth.
c. Close all the windows as you put on the air-conditioning unit.
d. Ride to school with your brothers and sisters in one car.
26. Everything in the world is made up of tiny particles called ___________.
a. nucleus c. electrons
b. atom d. cells
27. The number one big source of light and heat energy.
a. moon c. sun
b. stars d. volcanoes
28. During a chemical reaction known as ___________ chemical energy is released.
a. oxidation c. anti bodies
b. antidotes d. energy
29. What change happens when liquid evaporates?

14. a solid to gas c. gas to liquid
b. liquid to gas d. liquid to solid
30. Evaporation plays some important role something to a newproduct. The following are the uses of evaporation,
except?
a. cooling of perspiration c. production of salt from the seawater
b. distillation of alcoholic beverages d. formation of precipitate like rain and snow
31. Mother pours some juice in a glass with ice.After some time, water droplets appeared outside the glass. How
do droplets of water form in the glass?
a. droplets are formed when water in the glass spilled.
b. droplets are formed when water molecules condense on the outside of the glass.
c. droplets are formed when the ice melted and the liquid overflowed.
d. droplets are formed when water in the glass changes to gaseous molecules.
32. Anna poured some vinegar into a bottle. She added some baking soda and covered the mouth of the bottle with
a balloon. After the chemical reaction, the balloon inflated. What caused the balloon inflate?
a. formation of precipitate c. formation of a milky substance
b. evolution of carbon dioxide d. combination of two substance
33. Burning ofgasoline in a car requires chemical change. The carbon dioxide formed from this reaction affects the
environment. What environmental problem occurs if too much carbon dioxide is present in the atmosphere?
a. acid rain c. global warming
b. air pollution d. ozone depletion
34. Which of the following help reduce global warming?
a. forests c. greenhouse gases
b. the ozone layer d. use of refrigerants
35. Which is a physical change?
a. air pollution c. evaporation of water
b. ozone depletion d. formation of acid rain
36. The energy of moving objects is?
a. chemical energy c. nuclear energy
b. kinetic energy d. potential energy
37. Which of the following is not an example of kinetic energy being converted to potential energy?
a. releasing an arrow
b. releasing a compressed spring
c. pulling a plow in the rice field
d. basketball player jumping for a rebound
38. Which energy transformation occurs in an electric iron?
a. heat to light c. heat to electricity
b. light to heat d. electricity to heat
39. Which type of energy uses magma or hot dry rocks to generate electricity?

15. a. hydroelectric c. nuclear
b. geothermal d. solar
40. Which of the following shows that chemical energy is changed to mechanical energy?
a. lighting of candle
b. switching on/off flashlights
c. using sunlight to dry up clothes
d. an athlete run after drinking water.

16. TABLE OF SPECIFICATION
3rd
PERIODICAL EXAMINATION
SCIENCE 6
COMPETENCY NUMBER OF
ITEMS
ITEM PLACEMENT PERCENTAGE %
PHYSICAL/CHEMICAL
CHANGE
 Describing simple
physical and chemical
changes in materials
 Conditions/factors that
bring about changes in
materials.
ENERGY
 Describe the forms of
energy and their uses i.e
chemical, mechanical,
sound, electrical, radiant,
nuclear
 Energy transformed into
another form.
7
8
14
11
1, 7, 8, 9, 12, 14, 15
2,3, 4, 5,6, 10, 11, 13
16-20, 24, 26, 28,29,36-40
21, 22, 23, 25, 27, 30-35
17. 5 %
20 %
35 %
27.5 %

17. Total: 40 40 % 100 %