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WorksheetsGrade 9 end of year Science quiz
Total questions: 80
Worksheet time: 40mins
What is Newton's first law of motion?
Every action has an equal opposite reaction
An object in motion stays in motion unless acted upon by an unbalanced force
The force acting on an object is equal to the mass of an object times its acceleration
Sandwich
(The Yellow Highlighted One)
The thigh bone is also known as the
tibia
humerus
fibula
femur
What do we call a force that causes an object to accelerate?
net force
moving force
acceleration force
unbalanced force
What is the magnitude and direction of the force in the free body diagram shown?
2000 N forward
800 N backward
1200 N forward
2800 N forward
What is the magnitude and direction of the force in the free body diagram shown?
35 N right
17 N right
11 N right
5 N right
The Thermometer and telescope were invented around the year...
1500
1600
1700
1800
Who invented the Telescope?
Johannes Gutenberg
Galileo Galilei
William Shockley
Wright Brother
Television was invented by
Sholes
J.L.Baird
Shockley
John Napier
Penicillin was discovered by
Alexender Flemming
J. Gutenberg
Sir Frank Whittle
James Watt
What scientist discovered the radioactive element radium?
Isaac Newton
Albert Einstein
Benjamin Franklin
Marie Curie
Who invented the first computer?
Marconi
Rudolf Roger
Charles Babbage
William Bailey
Who was the first person to fly in space?
Neil Armstrong
Buzz Aldrin
Yuri Gagarin
John Glenn
Natural gas is made mostly of
Butane
Methane
Propane
Octane
What are the by products of the aerobic energy system?
Carbon dioxide, water and hydrogen ions
Oxygen and water
Hydrogen and water
Carbon dioxide and water
These players ate a chicken sandwich before playing on the field. The basic energy chain is
Chemical potential -> Kinetic
Kinetic -> Heat
Gravitational potential -> Kinetic
Elastic potential -> Light
The energy chain used to describe someone straightening their hair would be
Electrical -> Heat
Electrical -> Kinetic
Chemical potential -> Heat
Chemical potential -> Kinetic
The energy chain of a candle is
Chemical -> Heat + Kinetic
Electrical -> Heat + Kinetic
Electrical -> Heat + Light + Sound
Chemical -> Heat + Light + Sound
Who discover double helical structure of DNA.?
Alexander Fleming
Charles Darwin
Hargobind Khorana
Watson & Crick
What organ in your body absorbs the majority of nutrients from your food?
Small Intestine
Large Intestine
Stomach
Mouth
What is the hottest planet in the solar system?
Mars
Jupiter
Mercury
Venus
We live in the galaxy called the ______________
Andromeda
Milky Way
solar system
Black Panther
Based on the observed red shifts of distant galaxies, astronomers conclude that
the universe is contracting
Earth is in the center of the universe
the universe is expanding
the universe is getting hotter
The most common scale used to measure earthquakes is
Richter scale
seismic scale
magnitude sensitivity scale
moment magnitude scale
Most of the active volcanoes on Earth are located in a belt known as the
Ring of Lava
Circle of Life
Circle of Death
Ring of Fire
During the formation of the Earth, the heavier elements sank into the core. That is why the core is mainly composed of
hydrogen and helium
iron and nickel
carbon and oxygen
oxygen and nitrogen
This fruit is rich in ____
vitamin B
vitamin C
minerals
vitamin D
Which of the following historical figures is NOT correctly matched with his contribution to modern science?
Louis Pasteur and the germ concept of diisease
Thomas Edison and the theory of relativy
Johannes Kepler and the laws of planetary motion
Nicolaus Copernicus and the heliocentric view of the solar system.
Name the instrument that measures wind speed?
Hydrometer
odometer
sphygmomanometer
Anemometer
Entomology is the science that studies
Behaviour of human beings
Insects
The origin and history of technical and scientific terms
The formation of rocks
Which of the following pieces of chemistry lab equipment is used for heating substances to very high temperatures?
Erlenmeyer Flask
Crucible
Beehive shelf
Beaker
The following piece of scientific equipment is called a
Distillation flask
Volumetric flask
Conical/Erlenmeyer flask
Pipette
Which of the following are true when measuring the volume of irregularly shaped solids and liquids?
A. Narrow cylinders are more accurate than wide cylinders
B. Wide cylinders are more accurate than narrow cylinders
C. The volume of an irregularly shaped object can be measured using water displacement
D. A Measuring cylinder, Pipette, Burette and Round bottomed flask are apparatus that can measure the volume of liquids
A, C and D
A and C
A and D
B, C and D
