Complete
the following analogies. Write only the letter
of the correct answer.
1. celery :
stem ; alugbati : X
A.
leaves B. flowers C. fruits
2. squash :
fruit ; sugarcane : X
T.
leaves U. stems V. fruits
3. carrot :
root ; katuray : X
R.
flowers S. stems T. fruits
4. broccoli :
flowers ; rice plant : X
C.
flowers D. leaves E. fruits
5. sugar :
sugarcane ; bread : X
T.
rice plant U. coconut V. wheat
6. rubber band : rubber
tree ; door : X
O. yakal P. mango Q.
maguey
7. copra :
coconut ; latex : X
G. apitong H. acacia I.
rubber tree
8. oil :
coconut ; quinine : X
Q. eucalyptus R. cinchona
tree S. lagundi
What ailment is not
cured by each
plant? your answer.
1.
banaba diarrhea cough stomachache
2.
eucalyptus burns asthma bronchitis
3.
guava toothache diarrhea fever
4.
gumamela boil burns asthma
5.
lagundi diarrhea cough fever
How
do you keep yourself safe in handling plants? Complete the
following statements.
1. If you are allergic to
plants, _____________________________________________________
___________________________________________________________________________.
2. When camping in the
forests, ___________________________________________________
___________________________________________________________________________.
3. Avoid tasting fruits of
plants that you are not familiar with because ________________
____________________________________________________________________________.
4. When your skin is pricked
by a thorn or slashed by a sharp leaf, ____________________
____________________________________________________________________________.
5. When some plants cause
rashes to appear on your skin, ___________________________
____________________________________________________________________________.
6. In case of poisoning,
_____________________________________________________________
____________________________________________________________________________.
II.
A. Read and analyze the following. Write the letter
of the correct answer.
A.
Anything that occupies space and has mass is called matter.
B.
Two objects can occupy the same space at the same time.
A.
The amount of matter that an object has is its mass.
B.
The amount of space and object occupies is its weight.
A.
The mass of an object is expressed in grams.
B.
Bigger objects are always heavier than smaller ones.
A.
We use the graduated cylinder to measure the mass of irregular
solids.
B.
We use the platform balance to measure the mass of small objects.
A.
Volumes of liquids are taken using the water displacement method.
B.
The weight of an object involves its mass and the strength of the
pull of
gravity
of the heavenly body where the object is.
A.
The Earth’s gravitational pull is stronger than the gravitational
pull of the
moon.
B. We weigh less when we go
to the moon.
A.
Matter is made up of very tiny particles called molecules.
B.
Molecules of matter are always moving.
A.
Molecules of solids move rapidly back and forth that’s why they
have
definite
shapes.
B.
Molecules of liquids slide past each other and move faster than
solids
that’s
why they don’t have definite shapes but they have definite
volumes.
A.
Molecules of liquids are very near each other.
B.
Molecules of gases are compact.
A.
The strength of a material determines how it can withstand
pressure.
B.
Hard objects are easily scratched.
A.
The ability of solids to be hammered and made into different shapes
without
breaking is called malleability.
B.
The ability of solids to be drawn into very thin wires is called
ductility.
A.
The ability of solids to be stretched or squeezed and be able to be
back
in
its original shape is called elasticity.
B.
The ability of solids to broken into pieces when hammered is called
strength.
Science
and Health III, p. 4
A.
The viscosity of liquids tell about how quickly the liquids
evaporate.
B.
The volatility of liquids tell about how easily the liquids flow.
A.
There are useful substances that can be harmful if not properly
handled.
B.
It is safe to spray insecticides at home even when there are people
around.
A.
Harmful substances should be kept away from children’s reach.
B.
Reading the label of substances is a very important precautionary
measure
in handling substances properly.
B.
What special
property of
matter is common among the following? Write your answer
on
the space before the number.
____________________________ 1.
rubber band garter
____________________________ 2.
gold aluminum
____________________________ 3.
rock diamond
____________________________ 4.
ceramic plate flowerpots
____________________________ 5.
bridge filing cabinet
____________________________ 6. perfume alcohol
____________________________ 7. syrup honey
Complete
the table below.
-
|
matter
|
Useful
for -
|
Harmful
when -
|
1. rock
|
|
|
2. muriatic acid
|
|
|
3. hydrogen
|
|
|
Read
and analyze the following situations. Then answer the questions
briefly but substantially.
You
don’t feel well. You want to take medicine to ease the pain you
are feeling but you have not consulted the doctor yet. Why should
you not just take medicines that are not prescribed by doctors?
____________________________________________________________________________________________________________________________________________________________
It’s
the end of the year and your mother asks your help to clean up.
You were
asked
to clean your medicine cabinet. What should you do?
______________________________________________________________________________
______________________________________________________________________________
Your
mother asked you to clean the bath room. You found out that there
is a new cleanser that will be used. What should you do first?
______________________________________________________________________________
______________________________________________________________________________
You
were asked by your teacher to look for a place where you could have
bonfire. What are the things that you need to consider? Why?
______________________________________________________________________________
______________________________________________________________________________
B.
Answer the following. Write only the letter
of the correct answer.
In
which material can you see through clearly?
A. clear glass window C.
paper bag
B. capiz window D. shoe
box
Why
are shadows formed?
The
light rays pass through transparent objects.
The
rays of light are blocked by an object.
The
source of light is artificial.
Some
materials reflect light.
Which
object is a good reflector of light?
J.
wood cabinet K. brick wall L. mirror M. soap bubbles
What
happens when light moves from air into water?
Light
increases its speed.
Light
continues at the same speed.
Light
increases in speed and goes to the opposite direction.
Light
decreases in speed and bends.
What
happens when light bounces off an object?
J.
It bends light. L. It reflects light.
K.
It refracts light. M. It transmits light.
What
happens when light is trapped by matter?
A.
Light is absorbed. C. Light is reflected.
B.
Light is refracted. D. Light is transmitted.
Which
of the following groups of materials allow much light to pass
through?
block
of wood, brick wall, cemented wall
frosted
glass, colored cellophane, capiz windows
mirror,
thin cloth, air
clear
water, air, eye glass
Which
of the following groups of materials allow a small amount of light
to pass through?
thin
cloth, capiz windows, frosted glass
paper,
tin can, eye glass
frosted
glass, colored cellophane, brick wall
capiz
windows, glass wall, cemented wall
What
do you call the bouncing for light from a surface?
refraction S.
reflection T. bending U. shadow
What
kind of material through which light passes easily?
W.
dark X. translucent Y. transparent Z. opaque
What
happens to light as it travels?
N.
It spreads. P. It becomes brighter.
O.
It is trapped. Q. It goes back to its source.
How
does light travel?
D.
in crooked lines F. in backward motion
E.
in straight path G. in zigzag lines
