SCIENCE 7
FIRST QUARTER
INTRODUCTION TO SCIENCE AND TECHNOLOGY 7
ACTIVITY 1 CROSSWORD PUZZLE
Fill the boxes with the missing letters of the word being described across or downward.
1
2
3
4
5
6
7
8
9
Across
8. The basic unit of matter
9. An educated guess
1. Anything that occupies space and has
mass
4. The study of living things
5. A systematic body of organized
knowledge
6. Basic unit of structure among living
things
7. Based on many observations, is the
most logical explanation of why things
work
Down
2. The application of science principles
to practical use
3. Amount of push and pull, which can
change speed and direction of moving
objects
4. Practices that have no scientific basis
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SCIENTISTS AND THEIR SCIENTIFIC ATTITUDES
ACTIVITY 2 WORD GRID
Enclose the group of letters, which describes the attitudes of scientists and their
way of doing things. The words can be read vertically, horizontally, diagonally and or
backwards.
H
O
N
E
S
T
S
O
P
T
N
X
U
V
B
R
J
U
D
G
M
E
N
T
M
G
K
I
O
M
W
F
O
G
L
P
B
N
L
U
F
E
R
A
C
W
O
N
L
F
O
M
B
Y
J
W
D
F
I
T
E
Z
G
V
B
Z
C
O
R
P
A
R
X
W
I
R
K
X
S
A
I
S
C
X
O
T
C
R
E
A
T
I
V
I
T
Y
P
I
A
H
J
I
L
E
T
M
P
O
E
O
L
Y
O
K
U
A
V
X
A
U
N
K
W
N
E
T
M
F
C
B
V
R
Y
N
A
N
P
E
P
H
P
K
E
R
M
L
I
M
T
H
L
H
S
R
A
E
I
B
O
S
U
P
R
O
C
E
S
S
N
C
Y
J
X
A
F
N
U
C
Z
P
D
S
Z
K
I
T
Y
S
R
H
W
E
E
F
B
O
A
I
W
N
I
E
T
C
D
L
P
N
C
E
Q
R
O
I
R
T
R
Q
O
P
E
N
N
C
U
A
C
M
Z
U
W
N
J
T
R
K
S
D
E
B
ACTIVITY 3 SCIENTISTS AND THEIR SCIENTIFIC ATTITUDES
Find out the traits scientists demonstrate from the given information about them.
Write it under the second column.
Scientist
1. Galileo Galilei was curious about the 1.
heavenly bodies when he saw them the
first time using a telescope. He was the
first person to study the moon, the sun,
the planets and the stars. What
scientific trait did he possess?
2.
Trait
Johannes Kepler discovered that 2.
planets follow an elliptical orbit and that
their motion could be used to predict
the planets’ motion in the future. His
discovery did not agree with the
previous description of the planetary
motion. He rejected the old idea
because evidences supported his new
findings. What scientific traits did he
possess?
3. Isaac Newton formulated the three laws 3.
a motion. He built his laws on the
previous work of Galileo and others.
But then he did not claim Galileo’s work
as his own. What scientific trait did he
possess?
4. Dr. Luz Oliveros-Belardo is a national 4.
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scientist whose systematic studies of
various local plants have led to the
production of various new substances
called essential oils which are now
used in perfumes, medicine, and food.
What scientific trait did she possess?
5. Dr. Ricardo M. Lantican is a highly 5.
respected scientist. He is an expert in
plant breeding. He is successful in his
research on cytoplasmic inheritance of
hypersensitivity to a disease in maize.
He is a man who accepts statement as
a fact only if it supported by convincing
proofs. What scientific trait did he
possess?
6. Dr. William Padolina is best known for 6.
his role in the development of
biotechnology. He was cited for his
pioneering researches in the field of
chemistry and biotechnology. He
considers the evidences carefully
before formulating a conclusion. What
scientific attitude did he possess?
SOLUTIONS
ACTIVITY 4 SOLUTIONS AT HOME
Write the names of the solutions you brought at home and describe the
characteristics of each of these products.
Products Found at Home
Characteristics
PERIODIC TABLE OF ELEMENTS
ACTIVITY 5 THE ELEMENTS IN THE PERIODIC TABLE
A. ELEMENTS WITH LONG NAMES
Write down at least 10 elements with long names then give their symbol and their
group number.
Element
Symbol
Group Number
1.
2.
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3.
4.
5.
6.
7.
8.
9.
10.
B. METALS, NON-METALS OR METALLOIDS
The elements in the periodic table are classified into metals, non-metals and
metalloids.
Can you classify them? Fill the table below.
Metals
Non-metals
Metalloids
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