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WorksheetsGRADE 9 SCIENCE- PNHS
Total questions: 22
Worksheet time: 10mins
The organ system which is responsible for the transport of oxygen and nutrients in the body?
Circulatory System
Digestive System
Muscular System
Skeletal System
What is the probability of having a normal vision child if a couple is both color blind?
100%
75%
50%
0%
It is the process by which plants make their own food and has two stages: light-dependent and light-independent reactions.
Exhalation
Photosynthesis
Respiration
Transpiration
What is the common health problem during volcanic eruption?
Respiratory illness
Fever
Liver cirrhosis
Cancer
It refers to the abnormal and lengthy warming in the eastern part of the Pacific Ocean.
Climate Change
Monsoon
El Niño
La Niña
Stars appear to move in the sky because ________.
The universe is expanding
The night sky is rotating
New galaxies are formed
The Earth is rotating on its axis
A ball is rolling horizontally along a plane then it comes to a stop. What its velocity as it stops from rolling?
9.8 m/s
0 m/s
-9.8 m/s
1 m/s
When XX chromosomes are crossed with XY chromosomes, what is the probability of having a male and a female offspring?
Male-1, Female-3
Male-3, Female-1
Male-2, Female-2
Male-0, Female-0
Which of the following elements has an electronic configuration of 1s22s22p23s1?
H-1
O-8
C-6
N-7
Which volcanic gases can cause global cooling and has the potential to promote global warming?
argon and silicon carbide
oxygen and hydrogen peroxide
carbon monoxide and sulfur
sulfur dioxide and carbon dioxide
(a) are protein components of the immune system that circulated in the blood that recognize foreign substance such as toxin of a virus components, bacteria or a parasite.
Name the hydrocarbon molecule with 2 Carbons and 4 Hydrogen.
(a)
The Circulatory System is comprised of the following except:
Heart
Blood
Lungs
Blood Vessels
Transport important things needed to keep the body healthy.
(a)
It prevents the backflow of the blood
Atrium
Aorta
Valve
The odometer of a car reads 5000 km at the start of a trip and 5600 km at the end of the trip. If the trip took 3 hour, Calculate the average speed of a car.
100 km/hr
200 km/hr
300 km/hr
400 km/hr
Which scientist contributed to the first periodic table?
a. Tycho Brahe
b. Dimitri Mendeleev
c. Aristotle
d. Isaac Newton
The unit for measuring electric current is the_______.
a. joule
b. ohm
c. ampere
d. tesla
A group of stars that form a pattern and are named after it.
a. Galaxy
b. Star
c. Constellation
d. Comet
1. What is the formula for force?
a. Net force ÷ Mass
b. Mass - acceleration
c. Mass x Velocity
d. Mass x Acceleration
Carbon is element found in organic compounds. Its atomic number is 6 and its atomic mass is 12. How many protons and electrons are there in 1 Carbon atom?
a. 6 protons and 6 electrons
b. 6 protons and 12 electrons
c. 12 protons and 6 electrons
d. 6 protons and 18 electrons
1. Ignoring the effect of “centrifugal force” and path corrections, to what direction would Coriolis force due to Earth’s rotation push the trajectory of an object moving directly north from the equator?
(a)
