lsm grade 4 science 1st trim exam sy 2010 -2011

Science 4 1 Prepared by: Mauie Flores

LSM 2010-2011 www.the24hourmommy.com ©

SCIENCE 4

Lourdes School of Mandaluyong

1st Trimester Exam Reviewer

Arrange the steps in experimenting. Write numbers 1 (first) to 10 (last).

______

______

______

______

______

Gathering of materials.

Formulating a hypothesis.

Developing a conclusion.

Identifying the problem.

Procedure: Observing variables and gathering data.

Write the name of each laboratory instrument below its picture.

_________________________ _________________________ _________________________

_________________________ _________________________ _________________________

_________________________ _________________________ _________________________

_________________________ _________________________ _________________________



_________________________ _________________________ _________________________

Write TRUE if the statement is true. If false, replace the underlined word with the correct

answer.

_____________

_____________

_____________

_____________

_____________

_____________

_____________

_____________

_____________

_____________

1. A hypothesis is an educated guess; a statement of how the scientist

thinks his experiment will turn out.

2. The observation should provide an answer to the problem in an

experiment.

3. The inch, ounce, and gallon are units of the metric system of

measurement.

4. A test tube holds small amounts of liquid for observation.

5. You can use a stirring rod for grinding and mixing chemicals.

6. One meter is equal to 10 millimeters.

7. Decimeter can also be written as cm.

8. Newton is the absolute unit of force in the International System of Units

(SI Units).

9. You can use a beaker to measure the exact volume of liquid

chemicals.

10. Classification involves sorting out items according to their observable

characteristics.

Study the chart below. Then, provide the appropriate headings.

bicycle car boat ship space shuttle airplane

motorcycle bus yacht ocean liner rocket ship helicopter



Fill in the blanks with the correct answer. Choose your answers from the list below.

o skull

o rickets

o ligament

o bone tumor

o ribs

o connective tissues

o kyphosis

o phalanges

o scoliosis

o bone marrow

o arthritis

o tendon

o osteoporosis

o vertebral column

o joint

o cartilage

o osteomyelitis

o fracture

1. The ____________________ is the bony part of the head.

2. The ____________________ is composed of the spinal column and the backbone

and is made of a series of irregularly shaped bones.

3. The ____________________ or the thoracic basket are the bones of the thorax

which form a cone-shaped cage.

4. There are 14 ____________________ or finger bones in each hand.

5. A ____________________ is any place in the body where two bones come

together.

6. The skeleton would fall apart if not for the tough and stretchy materials called

____________________.

7. ____________________ are white, cord-like bands that hold the bones at the joints.

8. The ____________________ serves as a cushion for the smooth movement of the

bones.

9. The ____________________ is a white, stringy, tough tissue that attaches each

muscle to the bones.

10. The ____________________ is found at the center of the bone and manufactures

red blood cells.

11. A hunchback is formed due to the forward bending of the spine called

____________________.

12. ____________________ is a rare childhood disease characterized by numerous

bone deformities.

13. ____________________ is a disease that causes a lot of pain, stiffness, and swelling

of the joints.

14. Lack of calcium deposits and a decrease in bone protein cause

____________________ in older women.

15. A person who has ____________________ has an inflamed bone marrow which is

caused by fever-inducing bacteria or mold organisms.

16. ____________________ is a regrowth of bone tissue with many cysts and hollow

spaces which may be benign or malignant.



17. A person who has ____________________ has a curved vertebral column.

18. A crack or break in the bone is called a ____________________.

Label the following. Write the letter of your answer inside the arrow/box.

a. ball-and-socket joint

b. pivot joint

c. hinge joint

d. gliding joint

e. fixed joint

a. skull

b. clavicle

c. phalanges

d. ulna

e. pelvic bones

f. sternum

g. fibula

h. ribs

i. humerus

j. femur

k. vertebrae

l. cranium

m. patella

n. tibia

o. radius

Fill in the blanks with the correct answer. Choose your answers from the list below.

o physically challenged

o voluntary muscles

o involuntary muscles

o biceps

o skeletal muscles

o cardiac muscles

o cramps

o tetanus

o muscle strains

o triceps

o muscle bruise

o poliomyelitis

1. ____________________ are attached to the bones. They hold the bones of the

skeleton and give shape to the body.

2. You can make ____________________ move if you want.

3. ____________________ are present in the walls of internal organs like the

esophagus, stomach, and diaphragm.

4. ____________________ move all the time and without our control.

5. ____________________ are found in the walls of the heart and they pump blood



out of the heart and into the arteries.

6. The muscles of the arms are the ____________________ and the

____________________.

7. A ____________________ is an involuntary and forceful contraction of a muscle

that does not relax. It can sometimes be very painful.

8. A ____________________ occurs when the muscle bumps a hard object or when

the muscle receives a hard blow.

9. The technical term for a muscle pull is ____________________.

10. ____________________ is caused by the toxins of a bacteria that brings muscle

spasms and rigidity. It is sometimes called as lockjaw.

11. ____________________ is a serious infection that makes the muscles weak and may

cause paralysis. It can be prevented with a vaccine.

12. People who have a physical or mental disability are known as

____________________. They should still be treated as part of the community and

should be accepted and loved by everyone.

Complete the table that follows by writing the name of the digestive organ being

described.

The Human Digestive System

NAME DESCRIPTION BASIC FUNCTIONS

1. It is where the teeth and

tongue are found.

It is where digestion starts through

chewing.

2. A long muscular tube

connecting the mouth

and the stomach.

Pushes the food into the stomach.

3. Elastic bag-shaped organ

where food is contained.

Mixes and digests protein and

regulates the flow of food into the

intestines.

4. The main organ of

digestion which is about 7

meters long and 2.5

centimeters in diameter.

Performs the major part in chemical

digestion and absorption of the

digested food into the bloodstream.

5. An organ about 1.5

meters long and 5

centimeters in diameter.

Absorbs water, minerals, and some

vitamins from the undigested food.

6. The passageway through

which waste products

move out of the body

Releases feces or solid waste

products.

7. They are auxiliary glands. Produces saliva needed to break

down food.

8. Small bag-like organ

under the liver.

Stores bile which break down fats.

9. Organ that produces bile. Produces bile needed for chemical

digestion.

10. Small organ found below

the stomach.

Produces digestive juices that help in

digestion. Secretes insulin and

glucagon into the blood.



Encirle the letter of the correct answer.

1. _____ is the process by which food is broken down into simple absorbable forms.

a. amylase

b. chewing

c. digestion

d. peristalsis

2. Chewing is the first step in _____.

a. mechanical digestion

b. chemical digestion

c. defecation

d. peristalsis

3. The chewed food is mixed with saliva which contains water, mucus, and an

enzyme called _____.

a. bile

b. amylase

c. pepsin

d. digestion

4. _____ is a contraction and relaxation of muscles which happens in the

esophagus, stomach, and the intestines.

a. amylase

b. chewing

c. digestion

d. peristalsis

5. The stomach secretes hydrochloric acid and enzymes called _____.

a. bile

b. amylase

c. pepsin

d. villi

6. The surface lining inside the small intestine has a large number of fingerlike

projections called _____.

a. bile

b. amylase

c. pepsin

d. villi

7. Elimination of undigested solid waste is called _____.

a. villi

b. peristalsis

c. defecation

d. digestion

8. _____ is characterized by loose, watery stools occurring more than three times a

day.

a. indigestion

b. constipation

c. gallstones

d. diarrhea

9. A person with _____ are obsessed with losing weight.

a. anorexia nervosa

b. peptic ulcer

c. cavities

d. worms in the intestines

10. Avoiding too much salty food may prevent the formation of _____.

a. peptic ulcer

b. diarrhea

c. gallstones

d. cavities

11. _____ is another name for dyspepsia. It can be prevented by chewing your food

well and eating slowly.

a. indigestion

b. constipation

c. cavities

d. worms in the intestine

12. With _____, stools are hard, dry, small in size, and are difficult to eliminate.

a. cavities

b. worms in the intestine

c. indigestion

d. constipation



Label the parts of the human digestive system. Write only the letter of your answer.

a. appendix

b. anus

c. common bile

duct

d. duodenum

e. esophagus

f. gallbladder

g. large intestine

h. liver

i. pancreas

j. pancreatic duct

k. salivary gland

l. small intestine

m. stomach

n. rectum

o. tongue

Underline the correct answer.

asexual reproduction

sexual reproduction

budding

regeneration

fertilization

life cycle reproduction

internal fertilization

external fertilization

incubation

spawning

hatching

metamorphosis

placenta

umbilical cord

1. In this kind of animal reproduction, there is only one parent

and there are no special reproductive cells or organs

involved.

2. The ability of an organism to reform lost body parts.

3. The process when the egg cell unites with the sperm cell.

4. This is the kind of fertilization that happens inside the

mother’s body.

5. Birds use their body heat to keep their eggs warm.

6. A process of changing shape and form.

7. The embryo receives nutrients and oxygen from the mother’s

body through this organ.

(behind)



marsupials

monotremes

domestication

echolocation

Anopheles

Aedes

venom

rabies

8. They are egg-laying mammals.

9. It is the term for raising and training animals.

10. The mosquito that brings malaria.

11. It is an infectious disease that attacks the central nervous

system.

Label the life cycles of the following animals.

Frog

Image source: http://questgarden.com/56/30/6/071017211441/process.htm

Butterfly

http://questgarden.com/56/30/6/071017211441/process.htm



Mosquito

Image source: http://mosquitosquadaloana.wordpress.com/

Fly

Image source: http://www.knowledge-gallery.com/articles/animal-planet-zone/life-cycle-of-a-fly.html

Enumeration.

A. Ways of caring for the skeletal system, muscular system, and digestive system.

1.

2.

3.

4.

5.

B. Ways of caring for animals

1.

2.

3.

http://mosquitosquadaloana.wordpress.com/

http://www.knowledge-gallery.com/articles/animal-planet-zone/life-cycle-of-a-fly.html



C. Benefits of animals to people.

1.

2.

3.

D. Keeping safe from harmful or dangerous animals.

1.

2.

3.

lsm grade 4 science 1st trim exam sy 2010 -2011

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