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WorksheetsForce and Blood circulation
Total questions: 20
Worksheet time: 10mins
Newton said that any two masses will...
combine into a larger mass.
attract each other.
create gravitational fields.
push each other apart.
Which of the following best explains why a person has less weight on top of a mountain?
They are closer to space.
The atmosphere is lighter.
The mountain adds more mass.
The mountain adds more distance.
Which of the following statements is correct with respect to G and g?
G is a fundamental constant, whereas g is a physical quantity and subject to change.
Both G and g can change, but g can only change if you go to a different planet.
G and g are both constant, but g is determined by the mass and radius of the Earth.
The strength of G is determined by g.
The surface gravity on Earth is approximately 10 N/kg. What would the surface gravity be if the Earth contained twice as much mass?
5 N/kg
10 N/kg
20 N/kg
40 N/kg
The value of Universal Gravitational constant is
6.673X10-11 Nm-2kg2
6.673X10-11 Nm2kg2
6.673X10-11 Nm2 kg-2
6.673 x10-11 N m-2 kg-2
Which statement about gravity is true?
gravity causes objects to pull towards one another
gravity causes objects to push away from each other
gravity only takes place between planets
the moon doesn't have any gravity
If an object is free falling onto the Moon, which of the following would be correct?
It would accelerate at 9.8 m/s2
It would not encounter any air resistance.
It would not fall because the Moon has no gravity.
It would impact the surface and bounce back into space.
right side of the heart is high in
O2
H
C
CO2
Which blood vessel carries oxygenated blood ?
pulmonary artery
pulmonary vein
blood capillary
aorta
Why does blood go to the lungs?
to get food nutrients
to pick oxygen and drop carbon dioxide
to get energy
to drop oxygen and pick carbon dioxide
Where does gas exchange take place between the respiratory system and the blood?
Trachea
Bronchus
Alveoli
Mouth
This chamber of the heart RECEIVES blood returning from the lung
Right Atrium
Right Ventricle
Left Atrium
Left Ventricle
What is the name of the protein that is released by platelets in response to an injury?
haemoglobin
glucose
fibrin
carbon dioxide
Which of them is a anti coagulating agent?
Fibrinogen
Haemoglobin
Heparin
Prothrombin
Tides are caused by...
strong winds that blow over ocean waters.
the shifting of the plates on the ocean floor.
variations in the salinity of ocean water
the interaction of Earth, the moon and the sun.
