WorksheetsREVIEW TEST IN SCIENCE
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
NAME
4 lines
2.
What significant invention did Dr. Fe del Mundo create?
a)
Television
b)
Telephone
c)
Light Bulb
d)
Bamboo Incubator
3.
Who is known for his invention of the Video Phone?
a)
Thomas Edison
b)
Nikola Tesla
c)
George Washington
d)
Gregorio Y Zara
4.
Who invented the Erythromycin?
a)
Abelardo Aguilar
b)
Alexander Fleming
c)
Jonas Salk
d)
Albert Sabin
5.
Which Filipino inventor is known for his development of the “First Two-Way Video Phone”?
a)
Rolando dela Cruz
b)
Gregorio Zara
c)
Angel Alcala
d)
Jaime C. Laya
6.
What is one of the inventions by Roberto del Rosario?
a)
Karaoke
b)
Microwave oven
c)
Airplane
d)
Computer
7.
Who discovered penicillin?
a)
Alexander Fleming
b)
Louis Pasteur
c)
Marie Curie
d)
Gregor Mendel
8.
Which invention has greatly changed the way people communicate with each other?
a)
Laptop
b)
Television
c)
Cellphone
d)
Projector
9.
What invention has contributed to the improvement of health?
a)
Electronic mosquito repellant
b)
Electronic door opener
c)
Jeepney
d)
Steamboat
10.
Which of the following does NOT belong to the category of household inventions?
a)
Refrigerator
b)
Stove
c)
Projector
d)
Burglar alarm
11.
What is an example of an invention in agriculture?
a)
Soyalac
b)
Banana ketchup
c)
Tractor
d)
Jeepney
12.
Which invention is used in education to aid learning?
a)
Laptop
b)
Television
c)
Video Phone
d)
Jeepney
13.
What was the impact of the invention of the electric fan on household comfort?
a)
A. Increased noise levels
b)
B. Reduced air circulation
c)
C. Improved air circulation and cooling
d)
D. Decreased home ventilation
14.
What happens to glass when exposed to high temperatures?
a)
It becomes harder
b)
It cracks
c)
It changes color
d)
It becomes transparent
15.
What does the term "flammability" refer to?
a)
A. The ability of a material to dissolve in water
b)
B. The ease with which a material can catch fire and burn
c)
C. The tendency of a material to react with oxygen in the air
d)
D. The ability of a material to conduct electricity
16.
Which of the following is an example of a flammable material?
a)
Glass
b)
Metal
c)
Paper
d)
Rock
17.
What chemical reaction occurs when iron reacts with oxygen and moisture in the air?
a)
Formation of aluminum oxide
b)
Rusting
c)
Release of Carbon dioxide
d)
Production of hydrogen gas
18.
Which material is considered biodegradable?
a)
Plastic drinking straw
b)
Nylon fishing line
c)
Banana peel
d)
Styrofoam
19.
What happens to a banana peel when it is discarded in a natural environment?
a)
It remains unchanged
b)
It decomposes into simpler organic compounds
c)
It reacts with other materials to form new substances
d)
It breaks down into smaller pieces over time
20.
What is a physical change?
a)
A change where new substances are formed
b)
A change in the state or appearance of a substance without changing its chemical composition
c)
A change where heat is produced
d)
A change in the chemical structure of a substance
21.
Which of the following is an example of a chemical change?
a)
A. Melting ice
b)
B. Boiling water
c)
C. Burning wood
d)
D. Freezing water
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